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2024备战英语高考——狂刷模拟之状语从句&并列句（天津专版）
（1）
1. （2023天津模拟预测）Efforts should be made to balance medical resources in different areas __________more people have access to fair and affordable healthcare services.
A．ever since B．as if C．even though D．so that
2. （2021天津南开统考二模）________ everyone has left the party, we need to start cleaning.
A．Before B．Whenever C．Now that D．In case
3. （2022天津耀华中学校考模拟预测）________ you send me an e-mail to say that you won’t go camping, I’ll wait for you at the park.
A．Unless B．When C．Whether D．If
4. （2020天津统考二模）__________ he could give her sympathy, any practical help was almost beyond him.
A．If B．Since C．Although D．Until
5. （2020天津校联考二模）—Would you mind lending me a hand with the cleaning, Jack
—No, ______it doesn’t take long.
A．as long as B．now that C．even though D．in case
6. （2020天津校联考二模）No one can get access to the website and download any information from it ______ a correct password is entered.
A．because B．unless C．when D．since
7. （2021天津南开统考一模）A number of high buildings have arisen________ there was nothing a year ago but ruins.
A．where B．which C．that D．when
8. （2021天津和平耀华中学校考一模）________ he passed away in 1961, Mei Lanfang had been performing and encouraging the spread of Peking Opera for almost 60 years.
A．Once B．As C．Until D．Since
9. （2022天津市新华中学校考模拟预测）As students, _______ full use we have made of our time to study, there’s still room for improvement.
A．however B．whichever C．whenever D．whatever
10. （2022天津市新华中学校考模拟预测）______ well you can drive, you must drive carefully.
A．So long as B．In order that C．No matter how D．The moment
11. （2022天津市新华中学校考模拟预测）_______ I felt very tired, I tried to finish the work.
A．Although B．Because C．As D．As if
12. （2022天津市新华中学校考模拟预测）I will tell him the news as soon as he______ back.
A．come B．comes C．will come D．came
13. （2022天津市新华中学校考模拟预测）Suzhou is not _______ beautiful _______ Hangzhou.
A．as; than B．so; as C．even; than D．/; than
14. （2022天津市新华中学校考模拟预测）I’ll go to see the film with you ______I have time this evening.
A．whether B．so C．if D．when
15. （2022天津市新华中学校考模拟预测）Although it was raining, _______ still worked in the fields.
A．but they B．and they C．they D．and yet they
16. （2022天津市新华中学校考模拟预测）Please answer the question in a loud enough voice ____ all the class may hear.
A．so, that B．or C．in order that D．and
17. （2022天津市新华中学校考模拟预测）Lift it up ______I may see it.
A．though B．so that C．as D．than
18. （2022天津市新华中学校考模拟预测）The dictionary is so expensive ______ I can’t buy it.
A．because B．when C．that D．if
19. （2022天津模拟预测）It is ______ hot in the room ______ we have to go out for a walk.
A．such; that B．so; that C．as; as D．such; as
20. （2022天津市新华中学校考模拟预测）________ sharks are heavier than water, they must swim continuously or they will sink to the bottom.
A．When B．Though C．Since D．Once
（2）
1. （2022天津市新华中学校考模拟预测）________ you gradually get better at your present job, you will find that it becomes easier than you imagined.
A．Unless B．As C．Though D．Whether
2. （2022天津市新华中学校考模拟预测）____, we well not lose heart because we know we are supported by you all.
A．No matter the difficulty may be B．However the difficulty may be
C．However great the difficulty may be D．However may be the difficulty
3. （2022天津市咸水沽第一中学校考三模）Gradually, the city faded from memory, ____ it was once such a great city.
A．because B．unless C．even though D．if
4. （2022天津统考一模）We should learn more information technology _____ we can improve our teaching efficiency.
A．so that B．in case C．now that D．even if
5. （2017天津红桥统考二模）The teacher gave the students such a difficult maths problem ____ nobody worked it out.
A．as B．which C．so D．that
6. （2022天津耀华中学校考一模）________ there has been real progress in the e-plane industry, the technical challenges that remain are keeping everyone’s feet firmly on the ground.
A．While B．As long as C．Since D．In case
7. （2022天津南开统考二模）Children are admitted________ accompanied by an adult.
A．only if B．even though C．now that D．as though
8. （2023天津校联考一模）After experiments on COVID-19, medical experts conclude that the infected person still has the possibility of survival, ________he or she tests positive twice.
A．as though B．even if C．in case D．so that
9. （2023天津河东统考一模）—Bill, will you leave for China right now
—No. It will be a month________ I leave here.
A．while B．before C．since D．when
10. （2023天津南开统考一模）Why do so many students stick to private tutoring, ________ they could easily master such knowledge at school
A．unless B．before C．when D．until
11. （2023天津河北统考二模）The elderly patients still prefer the traditional way, ________ online booking system is supposed to be convenient and fast.
A．when B．although C．because D．unless
12. （2023天津耀华中学校考一模）_____ you have finished your work, you can give yourself more time to watch Netflix or have a special dessert. You’ve earned it!
A．Before B．Once C．Although D．Until
13. （2023天津河西统考三模）______ he is a boy difficult to get on with sometimes, I quite like him.
A．Since B．While C．Until D．When
14. （2020天津红桥统考二模）______ you lose in life, don’t lose faith and hope, with which you can live a happy life and achieve your goals.
A．Whenever B．Wherever C．Whatever D．Whoever
15. （2021天津市宝坻区第一中学校考三模）Under the regulation, restaurants and hotels shall stop offering throwaway items _______customers request them.
A．since B．once C．unless D．until
16. （2020天津滨海新校联考三模）Many countries have a Mother’s Day, ________ they don’t always fall on the second Sunday in May.
A．when B．though C．as D．once
17. （2020天津和平统考三模）The sales of houses in our city fell by 40 percent last month, and it will be 48 percent ______ we don’t count low-price houses provided for poor residents.
A．as B．unless C．if D．before
18. （2022天津模拟预测）China is playing a key role in controlling the virus. However, it will take long and much effort ________ it is under control.
A．until B．after C．before D．unless
19. （2020天津北辰统考三模）The people in the mountain village treated us like old friends __ we were strangers to them.
A．so that B．as if C．even though D．as long as
20. （2021天津和平统考一模）I only take on work that excites me it means turning down lots of money.
A．as if B．in case C．now that D．even if
（3）
1. （2021天津校联考一模）________rich one may be. there is always something one wants.
A．Whatever B．Whenever C．However D．Wherever
2. （2021天津统考一模）We will go camping this weekend ________ the weather is good.
A．so long as B．as far as C．for fear that D．now that
3. （2021天津河北统考一模）________ a great many people like the convenience of using WeChat to communicate with each other, too many junk messages on it may make them bored.
A．How B．When C．Since D．While
4. （2021天津河东统考一模）—What do you think of the teacher
—______she is elegant, she can be extremely difficult to deal with.
A．Even if B．As C．Because D．While
5. （2021天津校联考二模）1 study Italian ________ I would be able to read Dante in the original.
A．so that B．even though C．in case D．as if
6. （2021天津河西统考二模）Several years later, Helen and Zhou Mei met again in New York and they picked up their friendship ________ it left off.
A．where B．what C．how . D．when
7. （2021天津红桥统考二模）______ you have the chance to prove your abilities, why not make full use of it
A．Even if B．As soon as C．Now that D．As long as
8. （2021天津滨海新统考三模）___is the power of global warming that the climate goes from one extreme to the other.
A．Such B．This C．That D．So
9. （2022天津模拟预测）Though it is 5 years________ he retired from his work place, the old professor remains active in the academic circles.
A．when B．that C．before D．since
10. （2021天津南开中学校考二模）Though________ to see us, the professor gave us a warm welcome.
A．surprising B．to surprise C．being surprised D．surprised
11. （2021天津校考三模）________there is a wide variety of clothes in her wardrobe, the lady still complains about having no suitable clothes to wear.
A．Even though B．Provided that C．If only D．As if
12. （2021天津北京师范大学天津附属中学校考三模）Many accounts suggest that________ Newton was certainly inspired by a falling apple, there is no proof that it hit him on the head.
A．when B．while C．then D．than
13. （2022天津市新华中学校考模拟预测）___the APP WeChat has changed our life, it also has some negative effects.
A．Since B．While C．Unless D．As
14. （2022天津市宁河区芦台第一中学校考一模）—We have enough time What about taking a bus
—OK, ________ the buses are not crowded.
A．as though B．as long as C．in order that D．in case
15. （2022天津南开统考一模）You can only realize how hard this job is ________ you really experience it.
A．unless B．until C．when D．before
16. （2022天津模拟预测）There is no doubt __________the temperature goes down, metal ____________.
A．that. . . contacts B．whether. . . contrasts C．that when. . . contracts D．when. . . contracts
17. （2022天津和平统考一模）I also water the flowers in the yard and tidy up my own bedroom ________ necessary.
A．whatever B．whenever C．no matter which D．no matter where
18. （2022天津河西统考一模）________ the weather has cleared up, we can start our journey.
A．In case B．Now that C．Even though D．Ever since
19. （2022天津红桥统考一模）Many people welcome the chance to do meaningful things, ________they will get no pay.
A．even if B．as if C．in case D．now that
20. （2022天津耀华中学校考模拟预测）—They don’t have much in their house yet.
—________ they’re planning to live here only until Bob gets his degree, they don’t want to buy much furniture.
A．Since B．Although C．While D．Unless
（4）
1. （2022天津模拟预测）You must speak louder ________ you can be heard by all especially those seated at the back.
A．in order that B．on condition that C．so long as D．in case
2. （2022天津市新华中学校考模拟预测）I’ll go swimming with you if I ________ free tomorrow.
A．will be B．shall be C．am D．was
3. （2022天津模拟预测）______ you study harder, you’ll never pass the final exam.
A．If B．Until C．Unless D．Except
4. （2022天津市新华中学校考模拟预测）I hurried ______ I wouldn’t be late for class.
A．so B．so that C．if D．unless
5. （2022天津市新华中学校考模拟预测）We should go by bus ______ we can get there earlier.
A．as soon as B．where C．in order that D．as
6. （2022天津市新华中学校考模拟预测）I got there ______ late ______ I didn’t see him.
A．too; to B．such; that C．so; that D．so; as
7. （2022天津市新华中学校考模拟预测）_____ my head had cleared, my brain was beginning to function much better.
A．Now that B．Although C．Due to D．Despite
8. （2022天津模拟预测）______ the pace of life continues to increase, we are fast losing the art of relaxation.
A．Although B．Unless C．If D．As
9. （2022天津耀华中学校考模拟预测）Since I have little work experience, I will have to take a series of unpaid jobs ______ I can find my ideal one.
A．after B．so C．until D．when
10. （2022天津市滨海新区大港油田实验中学校考模拟预测）________Earth is the only planet known to support life, humans’ adaptability will surely allow us to live on other planets.
A．While B．Since C．Until D．Unless
11. （2022天津南开统考一模）In order to make full use of the energy, many water power stations are built ______ there are big waterfalls.
A．unless B．so that C．where D．whether
12. （2022天津南开统考一模）If you are wrong, the project will surely fail, ______hard we try.
A．whatever B．whichever C．even though D．no matter how
13. （2017天津红桥统考一模）－Did you explain it to your boss
－He stormed out of the office ________ I could get in a word.
A．since B．when C．before D．after
14. （2022天津耀华中学校考模拟预测）It was 5:00 pm and I was ready to go home. I was about to turn off my computer ________ I received an email from my director.
A．after B．while C．before D．when
15. （2022天津河北统考二模）—How long do you think it will be ____ China sends a manned spaceship to the moon
—Perhaps two or three years.
A．when B．before C．that D．until
16. （2023天津北辰统考模拟预测）I will keep drawing and see what happens. ________ I never become famous, this is what I love to do every hour of every day.
A．Even if B．Unless C．So long as D．Now that
17. （2022天津滨海新统考一模）Young people are more willing to study the skills of paper cutting these days, _____ local authorities have put great efforts in promoting the handicraft.
A．if B．though C．as D．unless
18. （2022天津和平统考三模）Remember that you won’t be able to cancel the contract ________ you’ve signed.
A．unless B．until C．though D．once
19. （2022天津校联考二模）______ Long had been riding horses for many years, the hardship and uncertainty of the task pushed him to his limit.
A．Although B．Unless C．Once D．If
20. （2022天津南开统考三模）I’ll keep his address ________ I need it.
A．so that B．in order that C．in case D．when
（5）
1. （2021天津市宁河区芦台第一中学校考一模）________exhausted he was, the firefighter still kept rescuing the villagers trapped in the flood.
A．However B．How C．Whatever D．What
2. （2023天津和平统考一模）The procedure appealed to the staff a lot ________it was introduced to them in January.
A．since B．until C．when D．though
3. （2023天津滨海新校联考一模）There is a rule in the library that one is required to put the book ______ it is after finishing reading it.
A．what B．how C．where D．when
4. （2023天津校联考一模）—Do you know a new shopping mall opened in our town yesterday
—Yes. Why don’t we pay a visit ______ we have time
A．since B．though C．until D．unless
5. （2023天津统考二模）If you are travelling ________ the customs are totally different from your own, you may feel a cultural shock.
A．which B．in which C．where D．in the place
6. （2023天津和平统考二模）You can learn enough first aid knowledge in a few minutes—________ it’s from reading a book, attending a course or watching videos online.
A．when B．as C．whether D．once
7. （2023天津校联考二模）If you are facing a difficult task, try breaking it into small steps ________you can finish it more easily.
A．in case B．so that C．even if D．now that
8. （2023天津市新华中学校考模拟预测）Most probably it will be another 7 hours _____ you can have next meal, so you must have your stomach full.
A．since B．when C．after D．before
9. （2023天津模拟预测）_____ this is only a small village, it’s crowded with tourists who come here all year round.
A．Since B．Unless C．Once D．Although
10. （2023天津滨海新统考三模）________ChatGPT, an advanced AI chatbot, can interact in a conversational way, it still struggles to be completely accurate with its responses.
A．Since B．Unless C．Once D．Although
11. （2023天津滨海新统考三模）It’s worth noticing that ________the media promotes, teenagers always follow it.
A．whatever B．whichever C．however D．whenever
12. （2023天津市新华中学校考二模）________ the economy enters a “new normal” and growth slows, China’s economy will rely more on creativity to drive its growth.
A．Although B．As C．Before D．Until
13. （2023天津耀华中学校考二模）________ the Montgolfier brothers took flight in balloons in the 18th century, air travel was not practical until the invention of powered flight in 1903.
A．When B．Since C．If D．While
14. （2023天津南开中学校考模拟预测）—Do you mind if I go out this evening
—I don’t mind what you do ______you let me know ahead of time.
A．ever since B．as long as C．in case D．even though
15. （2023天津统考模拟预测）They are hoping for a return to normal ______ the war is over.
A．now that B．even if C．as though D．in case
16. （2023天津南开统考二模）________ he became seriously ill in 1998, the famous writer had been carrying out comparative studies of classical Chinese texts.
A．Since B．When C．Although D．Until
17. （2022天津市新华中学校考模拟预测）---Do you know if he _______ to play basketball with us
---I think he will come if he ______ free tomorrow.
A．comes; is B．comes; will be C．will come; is D．will come; will be
18. （2022天津市新华中学校考模拟预测）__________out of the office building, suddenly a car stopped in front of me.
A．To come B．Having come C．Coming D．The moment I came
19. （2022天津河西统考三模）Ethan is greatly interested in this poem now, but he thought it boring ________ he read it.
A．in the first time B．the first time C．for the first time D．at first
20. （2023天津模拟预测）Fortunately, somebody who happened to be passing by called the fire department ______ the fire broke out.
A．hurriedly B．quickly C．instantly D．shortly
（6）
1. （2010天津南开统考一模）____________ the news, so far, has been good, there may be bad days ahead.
A．When B．While C．If D．As
2. （2010天津校联考三模）You’d better not leave the medicine ____ kids can get at it.
A．even if B．which C．where D．so that
3. （2020天津市滨海新区塘沽第一中学校考一模） ______he thought he was helping us with the work, he was actually in the way.
A．Although B．Unless C．Because D．When
4. （2019天津校联考三模）If you want to lead a happy life, you’d better learn to accept life ______ it is.
A．as B．that C．which D．where
5. （2020天津河北统考一模）— I like your new shoes!
— Thanks. I had to try on almost a dozen pairs _________ I decided to get them.
A．as B．when C．after D．before
6. （2022天津耀华中学校考模拟预测）Our teacher looked here and there on our playground _____ looking for something.
A．even though B．even if C．as if D．only if
7. （2017天津和平统考一模）—Don’t look down upon Bob. He has his own advantages.
—Oh, yes. ______others are weak, he is strong.
A．Before B．When C．Where D．Though
8. （2020天津统考一模）My friend walked me to the bus stop and waited with me_________ the bus arrived.
A．once B．unless C．when D．until
9. （2017天津校联考一模）Kate was very sad over loss of the photos she had shot in China, ____this was a memory she especially treasured.
A．if B．when C．as D．which
10. （2018天津校联考一模）______ he was 12, Einstein had learned advanced mathematics by himself.
A．The first time B．At the time C．By the time D．During the time
11. （2019天津和平校联考一模）Take the note as a reminder ______ you forgot to buy some sweets for the kids while shopping there.
A．how B．that C．in case D．even if
12. （2019天津市宝坻区第一中学校考三模）Why does she always drive to work ____ she could easily take the train
A．unless B．until C．before D．when
13. （2019天津河西校联考一模）The scientist does not study nature ________ it is useful to do so. He studies it because he takes pleasure in it.
A．until B．because C．though D．unless
14. （2021天津和平统考三模）_____ having a roommate inevitably has its challenges, it can also be a great part of your college experience.
A．While B．When C．As D．If
15. （2020天津统考二模） __ the students came from different countries, they got along quite well in the summer camp.
A．Because B．Unless C．Once D．While
16. （2020天津和平耀华中学校考一模）There are other languages that sound extremely different, ________ they’re conveying exactly the same meaning.
A．as though B．even though C．so that D．in that
17. （2020天津红桥统考一模）House prices vary from place to place and are usually high ______ there are famous schools.
A．where B．when C．which D．whether
18. （2019天津校联考一模）All the dishes in this menu， _____ otherwise stated， will serve two to three people.
A．as B．if C．though D．unless
19. （2019天津河北校联考一模）______, his ideas was accepted by all the people at the meeting.
A．Strange as might it sound B．As it might sound strange
C．As strange it might sound D．Strange as it might sound
20. （2020天津滨海新统考一模）—Did you return Fred’s call
—I didn’t need to ____ I’ll see him tomorrow.
A．though B．unless C．when D．because
（7）
1. （2020天津校联考一模）How long do you think ________the computer company brings out a new product
A．it will be before B．will it be until C．will it be when D．it will be that
2. （2017天津南开统考三模）This is a very interesting book. I’ll buy it，________.
A．how much may it cost B．no matter how it may cost
C．however much it may cost D．whatever may it cost
3. （2020天津红桥统考一模）______the damage is done, it will take many years for the farmland to recover.
A．Until B．Unless C．Once D．Although
4. （2021天津市武清区杨村第一中学校考一模）Mary rushed home______ she heard the news, only ______ that her husband was gone.
A．as soon as; finding B．immediately; to find C．the moment; find D．when; found
5. （2013天津宝坻统考一模）Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.
A．before B．once C．until D．unless
6. （2022天津市西青区杨柳青第一中学校考模拟预测）Mark needs to learn Chinese ________ his company is opening a branch in Beijing.
A．unless B．until C．although D．since
7. （2023天津河北统考一模） The entire hall burst into a great cheer and applause _______ the Nobel Prize winner appeared on the stage accompanied by the chairman.
A．until B．while C．by the time D．the moment
8. （2022天津和平耀华中学校考模拟预测）The meaning of the word “nice” changed a few times ________ it finally came to include the sense “pleasant. ”
A．before B．after C．since D．while
9. （2021天津河东统考二模）—What are you going to do this afternoon
—I’ll probably go for a walk later on ________it stays fine．
A．as far as B．so long as C．even if D．as if
10. （2015天津和平统考二模）How can you expect him to make any progress ______ you never give him a chance to have a try
A．when B．unless C．once D．until
11. （2015天津和平统考二模）Father made a promise ______ I passed the exam, he would buy me a PS4.
A．if B．that if C．whether D．that
12. （2022天津市宁河区芦台第一中学校考二模）If you miss this chance, it may be years _____ you get another one.
A．as B．before C．since D．after
13. （2015天津和平统考模拟预测）______ in the street, a terrible car accident happened, resulting in three deaths.
A．While walking B．Walk C．Walking D．When I was walking
14. （2016天津和平统考二模）The new hotel is reported to be built it used to be a wasteland.
A．which B．where C．in which D．what
15. （2023天津红桥统考二模）We should protect our environment from being polluted ________ our next generation will enjoy a blue sky and live a healthy life.
A．as if B．so that C．even if D．in case
16. （2022天津市滨海新区大港油田实验中学校考模拟预测）My grandfather still plays tennis now and then, he’s in his nineties.
A．as long as B．as if C．even though D．in case
17. （2019天津南开校联考二模）______________ you are aware of the trick used in advertisements, I don’t think you are eager to buy.
A．Whether B．Until C．Though D．Once
18. （2022天津模拟预测）Half an hour later, Lucy still couldn’t get a taxi _______ the bus had dropped her.
A．until B．when C．although D．where
19. （2022天津耀华中学校考模拟预测）She was such a proud person that she would die ____ she would admit she was wrong.
A．since B．when C．unless D．before
20. （2022天津红桥统考二模）You don’t need an invitation to help others. Give help _____you are asked.
A．if B．as C．though D．before
（8）
1. （2023天津河东统考二模）It is well-known that atmosphere gets thinner and thinner _________ the height increases.
A．while B．when C．as D．with
2. （2020天津红桥统考一模）---I’d like to find a job in the library.
---Good idea, ______ it doesn’t affect your studies.
A．now that B．as soon as C．as long as D．even if
3. （2022天津西青校考一模）Make sure you save all your work on screen ____the computer breaks down.
A．in case B．as if C．so that D．even though
4. （2019天津静海校联考一模）Richard saved up his money ______ he might go abroad for his summer holiday.
A．in case B．now that C．as if D．so that
5. （2022天津模拟预测）Most people quit ________ any results appear; they give up too soon and a quitter never wins.
A．while B．until C．since D．before
6. （2019天津河东统考一模）The teacher’s voice still remained calm ______ she was getting annoyed.
A．as long as B．even if C．as if D．now that
7. （2019天津耀华中学校考一模）--- Why didn’t you help the little boy
--- Oh, he had struggled to his feet ______ I could run over and offered any help.
A．before B．after C．when D．since
8. （2021天津市宁河区芦台第一中学校考模拟预测）I’m sorry you have been waiting so long, but it will still be some time ________ you can get your passport.
A．since B．till C．after D．before
9. （2019天津校联考一模）________ you have seen he is poor, you should understand why he has to take up two part-time jobs.
A．As long as B．Unless C．Now that D．While
10. （2019天津河北校联考一模）This is a very interesting book. I’ll buy it, ________.
A．however much it may cost B．no matter how it may cost
C．how much may it cost D．however many it may cost
11. （2019天津河东校联考二模）—How long do you think it will be ________ you graduate from high school
—Perhaps two or three months.
A．when B．until C．that D．before
12. （2020天津和平统考二模）I was so proud _______ my team won the ice hockey competition. It made me feel like I could achieve anything.
A．while B．when C．before D．until
13. （2019天津河西校联考二模）It is snowing heavily _____ it is impossible for us to arrive at our destination tonight.
A．as long as B．even though C．so that D．now that
14. （2019天津校联考二模）______ caught in the rain unexpectedly, we still enjoyed the journey very much.
A．When B．As C．Unless D．Although
15. （2019天津市宁河区芦台第一中学校考模拟预测）— Why didn’t you try to finish the composition
— I tried to, but ________ I could, the bell ran announcing the end of the examination.
A．until B．when C．after D．before
16. （2019天津北辰校联考一模）Tianjin soccer fans wonder how long it will be ______ the popular soccer star —Sunke can appear in the fields in Tianjin as a member of Tianjin Tianhai soccer team.
A．before B．since C．until D．where
17. （2022天津耀华中学校考模拟预测）— Some English idioms are difficult to understand.
— Exactly, ________ you know the meaning of each word.
A．if only B．as though C．even if D．now that
18. （2019天津南开中学校考一模）How come I can’t find my key. I just left it ________ it had been.
A．where B．which C．when D．how
19. （2020天津校联考一模）_________we relieve pressure in a proper way, we can relax ourselves and keep away from its bad effects.
A．So that B．As long as C．Even if D．As though
20. （2020天津河西统考二模）Tom is so independent that he never asks his parents’ opinion __ he wants their support.
A．since B．once C．unless D．after
（9）
1. （2019天津校联考一模）Everything was placed exactly ________ he wanted it for the graduation ceremony.
A．the place where B．when C．where D．in which
2. （2022天津滨海新校联考模拟预测）In spite of _________ has been said, quite a lot of people are still uncertain about the state of the country’s economy.
A．what B．which C．that D．as
3. （2019天津红桥校联考一模）The new teacher was so well-organized that she began ________ we stopped yesterday so that no point was left out.
A．when B．in which C．how D．where
4. （2019天津耀华中学校考二模）Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.
A．whenever B．however C．whichever D．wherever
5. （2019天津静海校联考高考模拟）______ you have seen he is in poor condition, you should understand why he has to take up two part-time jobs.
A．As long as B．Unless C．Now that D．While
6. （2021天津市武清区杨村第一中学校考一模）---- I am going to Hainan for my holiday.
---- OK. Have fun ________ you can. The hard times are approaching.
A．until B．before C．unless D．while
7. （2020天津校联考一模）________ I say Clancy is a smart boy, he still needs to work hard to achieve his goal.
A．If B．When C．As D．While
8. （2013天津统考一模）He smiled politely Mary apologized for her drunken friends.
A．as B．if C．unless D．though
9. （2017天津耀华中学校考二模）A number of high buildings have arisen _____there was nothing a year ago but ruins.
A．when B．where C．before D．until
10. （2013天津统考一模）________ hard you try, it is difficult to lose weight without cutting down the amount you eat.
A．However B．Whatever C．Whichever D．Whenever
11. （2020天津统考一模）Chinese students overseas are encouraged to return, ______ they honestly fill out medical forms and strictly follow the quarantine rules.
A．though B．as long as C．unless D．the moment
12. （2023天津南开统考二模）The department manager promised ______ told her who stole the necklace would be rewarded. To her surprise, ______ she said, there was no response.
A．whoever; whichever B．whoever; no matter what
C．no matter who; whatever D．no matter who; no matter what
13. （2019天津南开校联考三模）We’ll build a power station ______ water resources are plentiful.
A．where B．in which C．which D．that
14. （2022天津市咸水沽第一中学校考模拟预测）We won’t take action ________ we believe things are getting better.
A．though B．however C．unless D．where
15. （2018天津校联考一模）It was ______ we were returning home ______ I realized what a good feeling it was to have helped someone in trouble.
A．when; before B．when; that C．before; where D．how; that
16. （2023天津市新华中学校考模拟预测）The athletes, especially the winners, should remain modest ________ rapid progress they have made.
A．whatever B．however C．how much D．no matter
17. （2019天津和平统考三模）Father made a promise______________ I did well in the entrance exam, he would take me to Hong Kong in the summer vacation.
A．if that B．if C．that if D．that
18. （2019天津实验中学校考一模）How long do you suppose it is _______ he arrived and began to work there
A．when B．before C．after D．since
19. （2010天津河西统考一模）Animals suffered at the hands of Man ___ they were destroyed by people to make way for agricultural land to provide food for more people.
A．in which B．for which C．so that D．in that
20. （2018天津校联考一模）James, I don’t mind lending you the money ____ you pay it back within a month.
A．although B．now that C．unless D．as long as
（10）
1. （2021天津河西统考二模）I've been away for only three years, ________ I can hardly recognize my hometown.
A．so B．or C．for D．yet
2. （2022天津市新华中学校考模拟预测）The two girls kept talking in the room ________ their mothers said goodbye to each other.
A．when B．unless C．while D．until
3. （2022天津河东统考一模）We packed all the books in the boxes________they wouldn't get damaged.
A．as long as B．as if C．in case D．so that
4. （2019天津南开统考一模）Why do you want a new job ______ you’ve got such a good one already
A．that B．where C．which D．when
5. （2020天津河北统考一模）— I like your new shoes!
— Thanks. I had to try on almost a dozen pairs _________ I decided to get them.
A．as B．when C．after D．before
6. （2013天津校联考二模）He never thought that his success came ______ he least wanted it.
A．until B．since C．when D．while
7. （2014天津红桥统考一模）It is uncertain _______ side effect the medicine will bring about, although about two thousand patients have taken it.
A．that B．what C．how D．whether
8. （2022天津南开统考二模）Children are admitted________ accompanied by an adult.
A．only if B．even though C．now that D．as though
9. （2019天津红桥校联考二模）---How did she lose so much weight as expected？
----_____________ eating less，she jogged for several miles every day.
A．In addition to B．In spite of C．Instead of D．Thanks to
10. （2020天津和平统考一模）My skating teacher was really great and ______ I knew it, I was able to skate!
A．before B．since C．until D．after
11. （2023天津南开统考一模）Why do so many students stick to private tutoring, ________ they could easily master such knowledge at school
A．unless B．before C．when D．until
12. （2022天津模拟预测）______ violin is his main focus, David is also excellent at guitar.
A．Since B．Once C．Unless D．While
13. （2020天津统考一模）My friend walked me to the bus stop and waited with me______________ the bus arrived.
A．once B．unless C．when D．until
14. （2020天津统考二模） the students came from different countries, they got along quite well in the summer camp.
A．Because B．Unless C．Once D．While
15. （2020天津河北统考二模）He smiled politely ________ Lucy apologized for her drunken friends.
A．though B．as C．unless D．how
16. （2023天津河北统考二模）The elderly patients still prefer the traditional way, ________ online booking system is supposed to be convenient and fast.
A．when B．although C．because D．unless
17. （2020天津统考二模）__________ he could give her sympathy, any practical help was almost beyond him.
A．If B．Since C．Although D．Until
18. （2020天津校联考二模）No one can get access to the website and download any information from it ______ a correct password is entered.
A．because B．unless C．when D．since
19. （2021天津和平耀华中学校考一模）________ he passed away in 1961, Mei Lanfang had been performing and encouraging the spread of Peking Opera for almost 60 years.
A．Once B．As C．Until D．Since
20. （2023天津耀华中学校考一模） you have finished your work, you can give yourself more time to watch Netflix or have a special dessert. You’ve earned it!
A．Before B．Once C．Although D．Until
（11）
1. （2022天津模拟预测）I just sat by the window watching the passing scene ________ I caught the eye of a waiter and ordered my meal.
A．once B．while C．until D．since
2. （2022天津河东统考二模）Mrs. Smith was cooking breakfast in the kitchen ____ she heard a loud knock at the door.
A．before B．since C．when D．while
3. （2023天津河西统考三模）______ he is a boy difficult to get on with sometimes, I quite like him.
A．Since B．While C．Until D．When
4. （2022天津市新华中学校考模拟预测）Suzhou is not _______ beautiful _______ Hangzhou.
A．as; than B．so; as C．even; than D．/; than
5. （2022天津市新华中学校考模拟预测）______ she is very old, ______ she can still work eight hours a day.
A．Because; so B．Though; but C．As; yet D．Though; yet
6. （2022天津市新华中学校考模拟预测）The dictionary is so expensive ______ I can’t buy it.
A．because B．when C．that D．if
7. （2022天津模拟预测）It is ______ hot in the room ______ we have to go out for a walk.
A．such; that B．so; that C．as; as D．such; as
8. （2022天津市咸水沽第一中学校考三模）Gradually, the city faded from memory, ____ it was once such a great city.
A．because B．unless C．even though D．if
9. （2022天津统考二模）Knowledge is of no value ______ you put it into practice.
A．if B．until C．although D．unless
10. （2020天津河东统考一模）________they decide which college to go to，students should research the admission procedures.
A．As B．While C．Until D．Once
11. （2020天津河西统考一模）The dog may be a good companion for the old. _______, the need to take it for walks may be a disadvantage.
A．Besides. B．However C．Therefore D．Instead.
12. （2015天津和平统考二模）How can you expect him to make any progress ______ you never give him a chance to have a try
A．when B．unless C．once D．until
13. （2021天津南开中学校考二模） _____ the students came from different countries, they got along quite well in the summer camp.
A．While B．Unless C．Since D．Until
14. （2022天津市宁河区芦台第一中学校考二模）If you miss this chance, it may be years _____ you get another one.
A．as B．before C．since D．after
15. （2019天津南开校联考二模）______________ you are aware of the trick used in advertisements, I don't think you are eager to buy.
A．Whether B．Until C．Though D．Once
16. （2022天津红桥统考二模）Feathers are very light, ______ we say “as light as a feather” .
A．in case B．unless C．if D．so that
17. （2022天津模拟预测）Half an hour later, Lucy still couldn’t get a taxi _______ the bus had dropped her.
A．until B．when C．although D．where
18. （2017天津和平统考模拟预测） ____________ you are familiar with the author’s ideas, try reading all the sections as quickly as you possible can.
A．Now that B．Ever since C．So that D．In case
19. （2021天津校联考二模）I think John will make a good monitor, ________ I'd like to vote for him.
A．but B．so C．or D．for
20. （2022天津耀华中学校考模拟预测）She was such a proud person that she would die _____ she would admit she was wrong.
A．since B．when C．unless D．before
（12）
1. （2022天津红桥统考二模）You don’t need an invitation to help others. Give help _____you are asked.
A．if B．as C．though D．before
2. （2021天津校考模拟预测）Let's not pick these peaches until this weekend ______they get sweet enough to be eaten.
A．ever since B．as if C．even though D．so that
3. （2018天津河东统考一模）He always keeps an eye on shortcomings of his brother’s _________ refusing to admit his own mistakes.
A．but B．while C．although D．though
4. （2019天津南开校联考一模）There was never any time for Kate to feel lonely, ________ she was an only child.
A．ever since B．now that C．even though D．as though
5. （2022天津模拟预测）Most people quit ________ any results appear; they give up too soon and a quitter never wins.
A．while B．until C．since D．before
6. （2019天津河东统考一模）The teacher’s voice still remained calm ______ she was getting annoyed.
A．as long as B．even if C．as if D．now that
7. （2021天津市宁河区芦台第一中学校考模拟预测）I’m sorry you have been waiting so long, but it will still be some time ________ you can get your passport.
A．since B．till C．after D．before
8. （2019天津东丽校联考一模）________ some leaders and scientists have praised China’s achievement in space technology, others regard China’s progress as a threat.
A．Unless B．Once C．Even though D．Now that
9. （2019天津河西校联考二模）It is snowing heavily _____ it is impossible for us to arrive at our destination tonight.
A．as long as B．even though C．so that D．now that
10. （2019天津校联考二模）______ caught in the rain unexpectedly, we still enjoyed the journey very much.
A．When B．As C．Unless D．Although
11. （2019天津市宁河区芦台第一中学校考模拟预测）— Why didn’t you try to finish the composition
— I tried to, but ________ I could, the bell ran announcing the end of the examination.
A．until B．when C．after D．before
12. （2022天津南开统考三模）I’ll keep his address ________ I need it.
A．so that B．in order that C．in case D．when
13. （2020天津河西统考二模）Tom is so independent that he never asks his parents’ opinion __ he wants their support.
A．since B．once C．unless D．after
14. （2019天津红桥校联考二模）---My son is addicted to computer games. He is hopeless，isn't he？
---Yes，_____________he is determined to give up and start all over.
A．if B．unless C．though D．so
15. （2019天津和平校联考二模）How long do you think it is ______ the National Football Team of china can play in the World Cup Finals.
A．when B．before C．since D．until
16. （2019天津静海校联考高考模拟）______ you have seen he is in poor condition, you should understand why he has to take up two part-time jobs.
A．As long as B．Unless C．Now that D．While
17. （2020天津南开中学校考三模）New employees, ____ they are skilled, will get more opportunities for personal development.
A．though B．since C．once D．unless
18. （2020天津校联考一模）The girl thought her boyfriend had bought her a necklace of great value ________ in fact it was made of glass.
A．when B．while C．that D．as
19. （2020天津和平耀华中学校考一模）There are other languages that sound extremely different, ________ they’re conveying exactly the same meaning.
A．as though B．even though C．so that D．in that
20. （2020天津河北统考一模） I say Tom is a smart boy, he still needs to work hard to achieve his goal.
A．Because B．When C．As D．While
（13）
1. （2020天津和平统考二模）I was so proud _______ my team won the ice hockey competition. It made me feel like I could achieve anything.
A．while B．when C．before D．until
2. （2020天津校联考一模）_________we relieve pressure in a proper way, we can relax ourselves and keep away from its bad effects.
A．So that B．As long as C．Even if D．As though
3. （2020天津和平统考三模）The sales of houses in our city fell by 40 percent last month, and it will be 48 percent ______ we don’t count low-price houses provided for poor residents.
A．as B．unless C．if D．before
4. （2020天津南开统考二模）Students show great interest in ________ Professor William presents to them in his class.
A．whichever B．wherever C．whatever D．however
5. （2022天津模拟预测）China is playing a key role in controlling the virus. However, it will take long and much effort ________ it is under control.
A．until B．after C．before D．unless
6. （2021天津和平统考二模）______ the content of this letter can be confidential; security is an issue that you must address.
A．Although B．Since C．Unless D．After
7. （2020天津南开统考二模）Detectives are investigating the company, three of ________ senior executives have already been under arrest.
A．its B．which C．those D．whose
8. （2020天津统考一模）Education is ______________ survives when knowledge taught in class has been forgotten.
A．how B．who C．what D．which
9. （2021天津河北统考二模）The police offices in our community work hard ______ the rest of us can live a safe life.
A．on condition that B．so as to C．in order that D．for fear that
10. （2021天津耀华中学校考二模）________ both sides accept the agreement will a lasting peace be established in this region.
A．As long as B．Only if C．If only D．Unless
11. （2022天津市宁河区芦台第一中学校考一模）The contradiction between unbalanced and inadequate development and the people’s ever-growing needs for a better life is ________ we must face up to.
A．that B．what C．how D．where
12. （2022天津滨海新校联考模拟预测）In my opinion, the topic is too difficult to understand. Try to simplify your speech ________ it goes beyond the children.
A．even though B．now that C．so that D．in case
13. （2022天津模拟预测）________ food delivery services bring convenience, they let students form some lazy habits.
A．As B．Because C．While D．Whatever
14. （2022天津和平统考一模）Before getting into the car, I thought I had learned the instructor’s orders, ________ once I started the car, my mind went blank.
A．so B．and C．for D．yet
15. （2022天津红桥统考一模）Many people welcome the chance to do meaningful things, _____they will get no pay.
A．even if B．as if C．in case D．now that
（14）
1. （2022天津市新华中学校考一模）As a language grows, new words are introduced ___ many words fall out of use.
A．unless B．so that C．while D．in case
2. （2022天津市新华中学校考模拟预测）They didn’t start the work ______ their teacher came back.
A．until B．while C．as soon as D．if
3. （2022天津模拟预测）______ you study harder, you’ll never pass the final exam.
A．If B．Until C．Unless D．Except
4. （2022天津市新华中学校考模拟预测）I hurried ______I wouldn’t be late for class.
A．so B．so that C．if D．unless
5. （2022天津市新华中学校考模拟预测）We should go by bus ______ we can get there earlier.
A．as soon as B．where C．in order that D．as
6. （2022天津市新华中学校考模拟预测）_____ my head had cleared, my brain was beginning to function much better.
A．Now that B．Although C．Due to D．Despite
7. （2023天津北辰统考模拟预测）I will keep drawing and see what happens. ________ I never become famous; this is what I love to do every hour of every day.
A．Even if B．Unless C．So long as D．Now that
8. （2023天津统考模拟预测）They are hoping for a return to normal ______ the war is over.
A．now that B．even if C．as though D．in case
9. （2022天津模拟预测）______ the pace of life continues to increase, we are fast losing the art of relaxation.
A．Although B．Unless C．If D．As
10. （2022天津耀华中学校考模拟预测）Since I have little work experience, I will have to take a series of unpaid jobs ______ I can find my ideal one.
A．after B．so C．until D．when
11. （2022天津滨海新天津市滨海新区大港油田实验中学校考模拟预测）________Earth is the only planet known to support life, humans’ adaptability will surely allow us to live on other planets.
A．While B．Since C．Until D．Unless
12. （2017天津红桥统考一模）－Did you explain it to your boss
－He stormed out of the office ________ I could get in a word.
A．since B．when C．before D．after
13. （2022天津校联考二模）I wanted to make a difference in the world somehow. That was _________ I began to learn about the Light-house Project.
A．what B．because C．which D．why
14. （2022天津耀华中学校考模拟预测）It was 5:00 pm and I was ready to go home. I was about to turn off my computer ________ I received an email from my director.
A．after B．while C．before D．when
15. （2022天津河北统考二模）—How long do you think it will be ____ China sends a manned spaceship to the moon
—Perhaps two or three years.
A．when B．before C．that D．until
（15）
1. （2022天津和平统考三模）Remember that you won’t be able to cancel the contract ________ you’ve signed.
A．unless B．until C．though D．once
2. （2023天津耀华中学校考二模）________ the Montgolfier brothers took flight in balloons in the 18th century, air travel was not practical until the invention of powered flight in 1903.
A．When B．Since C．If D．While
3. （2010天津统考二模）It’s a long time______ they separated, but it won’t be long_____ they meet again．
A．since; before B．after; when C．since; when D．after; before
4. （2019天津南开校联考三模）We’ll build a power station ______ water resources are plentiful.
A．where B．in which C．which D．that
5. （2022天津市咸水沽第一中学校考模拟预测）We won’t take action ________ we believe things are getting better.
A．though B．however C．unless D．where
6. （2018天津河东统考一模）My mother is always warning me when I go out, “Don’t get off the bus ________ it is stopping. ”
A．until B．while C．before D．after
7. （2019天津实验中学校考一模）How long do you suppose it is ___________ he arrived and began to work there？
A．when B．before C．after D．since
8. （2020天津统考一模）Chinese students overseas are encouraged to return, ______ they honestly fill out medical forms and strictly follow the quarantine rules.
A．though B．as long as C．unless D．the moment
9. （2022天津市滨海新区大港油田实验中学校考模拟预测）It is obvious to the students ______ they should get well prepared for their future.
A．as B．which C．whether D．that
10. （2010天津校联考三模）You’d better not leave the medicine ____ kids can get at it.
A．even if B．which C．where D．so that
11. （2010天津南开统考一模）She’s in a hopeless situation, ___ we will keep a very close eye on.
A．where B．when C．which D．that
12. （2019天津校联考三模）If you want to lead a happy life, you’d better learn to accept life ______ it is.
A．as B．that C．which D．where
13. （2022天津校联考一模）________ some people are motivated by a need for success, others are motivated by a fear of failure.
A．Because B．If C．Unless D．While
14. （2016天津河东统考一模） — How foolish I was!
— ________ you have realized that, stop blaming yourself.
A．Now that B．Unless C．Although D．Even if
15. （2020天津红桥统考一模）______the damage is done, it will take many years for the farmland to recover.
A．Until B．Unless C．Once D．Although
参考答案及解析
（1）
1. D
【详解】考查状语从句。句意：平衡地区医疗资源，以便让更多的人获得公平的、负担得起的医疗服务。A. ever since 自. . . 以后；B. as if 好像；C. even though 尽管，即使；D. so that 以便于。分析题意，根据句意连贯看，空前说“平衡地区医疗资源”，空后“让更多的人获得公平、负担得起的医疗服务”，可知这里应用so that “以便于”引导目的状语从句。综合分析，故选D项。
2. C
【详解】考查原因状语从句。句意：既然大家都离开了聚会，我们需要开始打扫了。A. Before之前；B. Whenever无论何时；C. Now that既然；D. In case以防。分析句意可知，前后句是因果关系，用now that引导原因状语从句。故选C项。
3. A
【详解】考查状语从句。句意：除非你给我发邮件说你不会去露营，否则我就在公园等你。A. Unless除非；B. When当……时候；C. Whether是否；D. If如果。引导条件状语从句，表示“除非”应用unless。故选A。
4. C
【详解】考查状语从句。句意：虽然他能给她同情，但是他几乎无法提供任何实际的帮助。前后文是转折关系，故用although引导的让步状语从句，if引导条件状语从句；since引导时间状语从句和原因状语从句；until引导时间状语从句。故选C。
5. A
【详解】考查条件状语从句。句意：---你介意帮我打扫一下吗，Jack？---不介意，只要它花费的时间不长。A. as long as 只要；B. now that 既然，由于；C. even though 尽管，即使；D. in case 以防，万一。根据句子的意思，此处应填入“只要”来引导条件状语从句。故选A项。
6. B
【详解】考查连词。句意：没有人可以进入这个网站并从其中下载任何信息，除非输入正确的密码。A. because因为；B. unless除非；C. when当……时候；D. since自从……以来。根据句意，输入正确的密码，是进入网络的条件，故选B。
7. A
【详解】考查地点状语从句。句意：一年前一片废墟的地方出现了许多高楼。arise后要接地点状语，所以用where来引导地点状语从句，修饰前面的主句。故选A项。
8. C
【详解】考查连词辨析。句意：直到1961年去世，梅兰芳一直表演并鼓励传播京剧近60年。A. Once一旦；B. As当……的时候；C. Until直到；D. Since自从……以来。根据“had been performing” 可知，直到去世，梅兰芳一直表演并传播京剧。故选C。
9. D
【详解】考查状语从句。句意：作为学生，无论我们如何充分利用我们的时间来学习，仍然有提高的空间。A. however 不管怎样；B. whichever无论哪个；C. whenever无论何时；D. whatever 无论什么。whatever引导的状语从句，并在从句中修饰名词use。故选D。
10. C
【详解】考查短语辨析。句意：无论你开车开得多好，你都应该小心开车。根据句意可知，此处意为“无论. . . . . . ”，A. so long as只要；B. in order that为了. . . . . . ；C. no matter how无论多. . . . . . ；D. the moment一. . . . . . 就. . . . . . 。故选C。
11. A
【详解】考查状语从句。句意：即使我感到很累，但我仍努力完成这项工作。A. Although即使；B. Because因为；C. As当……时候；D. As if好像。引导让步状语从句，表示“即使”应用although。故选A。
12. B
【详解】考查时态和主谓一致。句意：他一回来我就会告诉他这个消息。根据句子分析可知，主语为一般将来时will tell，as soon as引导的时间状语从句应用一般现在时表示将来，主语为he，谓语动词使用第三人称单数形式。故选B。
13. B
【详解】考查连词。句意：苏州不如杭州美。根据句意可知，此处表示“不如……”，表达为not as/so+adj. +as，故选B。
14. C
【详解】考查条件状语从句。句意：如果我今晚有时间，我就和你一起去看电影。根据句意可知，此处意为“如果我有时间”，用if引导条件状语从句，故选C。
15. C
【详解】考查状语从句。句意：虽然在下雨，但他们仍在地里干活。此处为although引导的让步状语从句，空处为主句主语，不再需要连词，故选C。
16. C
【详解】考查状语从句。句意：请大声回答问题，以便全班都能听到。A. so, that如此……以至于……；B. or或者；C. in order that为了；D. and并且。根据下文“all the class may hear”可知，此处表示“以便全班都能听到”，引导目的状语从句，所以用in order that。故选C。
17. B
【详解】考查目的状语从句。句意：把它举起来，以便我能看见。根据句意，“把它举起来”的目的是“让我能看见”，所以用so that（以便）引导目的状语从句，故选B。
18. C
【详解】考查连词。句意：这本字典是如此的贵，以至于我不能买。A. because conj. 因为，由于；B. when conj. 当……时；C. that conj. 用于某些动词、形容词和名词后，引出各种从句；D. if conj. 如果，倘若。根据句子结构和意思可知，这里考查连词so. . . that 表示“如此……以至于”的意思，引导结果状语从句。故选C。
19. B
【详解】考查结果状语从句。句意：屋子里是如此的热，因此我们不得不到外面散步。根据句子结构和意思可知，这里考查表示“如此……以至于……”意思的连词，引导结果状语从句。第一个空格后面是形容词hot，要用so修饰。故选B。
20. C
【详解】考查状语从句。句意：由于鲨鱼比水重，它们必须不停地游泳，否则就会沉到水底。A. When当……时候；B. Though虽然；C. Since既然，由于；D. Once一旦。根据后文“sharks are heavier than water, they must swim continuously or they will sink to the bottom”说明了鲨鱼不停游泳的原因，应用since引导原因状语从句，表示“既然，由于”，故选C。
（2）
1. B
【详解】考查连接词词义辨析。句意：随着你在现在的工作中做得越来越好，你会发现它比你想象的要容易得多。A. Unless除非；B. As随着；C. Though尽管；D. Whether是否。根据“gradually get better at your present job”可知，此处表示随着在现在的工作中做得越来越好，需用as引导时间状语从句。故选B。
2. C
【详解】考查状语从句。句意：不论困难有多大，我们不会失去信心因为我们知道有你们所有人的支持。此处为让步状语从句，一类结构：no matter how+形容词/副词+主语+谓语，故A选项错误；二类结构：however+形容词/副词+主语+谓语，故B、D选项错误。故选C。
3. C
【详解】考查让步状语从句和连词。句意：渐渐地，这座城市从记忆中消失了，尽管它曾经是一个非常伟大的城市。A. because因为；B. unless除非；C. even though虽然，尽管；D. if如果。根据“the city faded from memory”和“it was once such a great city”可知，前后句意有转折关系，用even though引导让步状语从句。故选C项。
4. A
【详解】考查目的状语从句。句意：我们应该学习更多的信息技术，这样我们才能提高教学效率。A. so that 以便；为的是；B. in case 以防；C. now that既然； D. even if即使；纵然。分析可知，学习更多的信息技术的目的是提高效率，所以空白处填so that，符合题意，故选A。
5. D
【详解】考查结果状语从句。句意：老师给学生们出了一道如此难的数学题，以至于没人算出来。such a(n)+形容词+可数名词单数+that，表示“如此……以至于……”，其中that引导结果状语从句，故选D。
6. A
【详解】考查让步状语从句。句意：虽然电子飞机行业已经取得了真正的进步，但仍然存在的技术挑战让每个人都牢牢地站在了地面上。A. While尽管；B. As long as只要；C. Since自从；D. In case以防。结合句意可知，用While引导让步状语从句。故选A项。
7. A
【详解】考查状语从句连接词辨析。句意：只有在成人陪同下，儿童才能进入。A. only if只有；B. even though尽管；C. now that既然；D. as though好像。由句意可知，儿童被允许，只有在有大人陪同下才行。故选A项。
8. B
【详解】考查状语从句。句意：在对COVID-19进行实验后，医学专家得出结论，受感染者仍然有生存的可能性，即使他或她的检测结果两次呈阳性。A. as though好像；B. even if即使；C. in case以防，万一；D. so that以便于。由“still has the possibility of survival”和“he or she tests positive twice”可知，句子表示“受感染者仍然有生存的可能性，即使他或她的检测结果两次呈阳性”，空格处意为“即使”，用even if引导让步状语从句，故选B。
9. B
【详解】考查时间状语从句。句意：——比尔，你现在就去中国好吗？——没有。我还需要一个月才能离开这里。根据句意，“在我离开这里之前还需要一个月”，“在……之前”是before。故选B项。
10. C
【详解】考查连接词词义辨析。句意：既然在学校就能轻松掌握这些知识，为什么还有那么多学生坚持请家教呢？A. unless除非；B. before在……之前；C. when既然；D. until直到 。根据句意及所给句子可知，前后句意存在转折关系，应用when引导让步状语从句。故选C。
11. B
【详解】考查从属连词。句意：尽管网上预约系统被认为方便快捷，但老年患者仍然更喜欢传统的方式。A. when当……时；B. although尽管，虽然；C. because因为；D. unless除非。结合句意可知，此处表示让步转折关系，用although引导让步状语从句。故选B。
12. B
【详解】考查从属连词。句意：一旦你完成了你的工作，你可以给自己更多的时间看网飞或吃一个特别的甜点。你应得的！A. Before在……之前；B. Once一旦；C. Although虽然；D. Until直到。由“you have finished your work, you can give yourself more time to watch Netflix or have a special dessert”可知，句子表示“一旦你完成了你的工作，你可以给自己更多的时间看网飞或吃一个特别的甜点”，空格处意为“一旦”，引导条件状语从句，故选B。
13. B
【详解】考查连词词义辨析。句意：尽管有时他是一个很那相处的人，但我十分喜欢他。A. Since因为，当. . . . . . 时候；B. While虽然；C. Until直到；D. When当. . . . . . 时候。根据句子分析可知，此处前后为转折关系，故应用while“尽管”引导。故选B。
14. C
【详解】考查状语从句连接词。句意：生活中无论失去什么，都不要失去信念和希望，有了信念和希望，你就能过上幸福的生活，实现你的目标。A. Whenever无论何时；B. Wherever无论在哪里；C. Whatever无论什么；D. Whoever无论谁。此处为让步状语从句，表示“无论什么”应用whatever引导，相当于no matter what。故选C。
15. C
【详解】考查状语从句的连接词。句意：根据规定，餐馆和酒店应停止提供一次性物品，除非顾客要求。since作为连词，表示“自从”，引导时间状语从句，表示“因为”，引导原因状语从句； once 用作连词，既可以表示“条件”（= if, as long as），也可以表示“时间”（=as soon as）； unless意为“除非，如果不”，常用来引导条件状语从句；until作为连词，意为“直到. . . . . . ”引导时间状语从句。分析句子可知，如果顾客不要求的话，根据规定，餐馆和酒店应停止提供一次性物品。状语从句表示条件，结合选项看，选项C符合题意。故选C项。
16. B
【详解】考查连接词辨析。句意：许多国家都有母亲节，尽管它们并不总是在五月的第二个星期天。A. when当……时候；B. though尽管；C. as正如，当……时候；D. once一……就……。本句为让步状语从句，表示“尽管”应用though引导。故选B。
17. C
【详解】考查状语从句。句意：我们城市的房屋销售量上个月下降了40%，如果不计算为贫困居民提供的低价房屋，销售量将会下降48%。A. as当……时候；B. unless除非；C. if如果；D. before在……之前。分析句意可知，此处引导条件状语从句，表示“如果”，应用if。故选C。
18. C
【详解】考查连词辨析。句意：中国在控制病毒方面发挥着关键作用。 但是，需要很长时间并付出很大努力才能控制住它。A. until直到……时；B. after在……之后； C. before在……之前，在（一段时间 ）之后才……；D. unless除非，如果不。before的基本含义是“在……之前”，又可以根据不同语境灵活翻译成 “才”、“还没来得及就……”、“就”等。before在这里引导时间状语从句，可译为“才”。故选C 。
19. C
【详解】考查从属连词。句意：即使我们对于他们来说是陌生人，山村里的人们还是像老朋友一样对待我们。A. so that以便，为了；B. as if好像；C. even though即使；D. as long as只要。根据句意，前一句说“村民们像老朋友一样对待我们”，后一句说“我们是陌生人”，两个句子之间应该是让步关系，因此用even though引导让步状语从句。so that引导目的状语从句/结果状语从句；as if引导方式状语从句；as long as引导条件状语从句。故选C项。
20. D
【详解】考查固定短语辨析。句意：我只做那些让我感兴趣的工作，即使这意味着要少赚很多钱。A. as if好像；B. in case万一；C. now that既然；D. even if即使。引导让步状语从句，表示“即使”应用even if。故选D。
（3）
1. C
【详解】考查状语从句。句意：无论一个人有多富有，他都会有需要的东西。A. Whatever 无论什么；B. Whenever 无论何时；C. However 无论什么；D. Wherever 无论哪里。由语意可知，however在此引导让步状语从句，相当于no matter how，修饰形容词rich用副词，排除A项。故选C项。
2. A
【详解】考查固定短语辨析。句意：只要天气好，这个周末我们就去露营。A. so long as只要；B. as far as至于；C. for fear that生怕，以免；D. now that既然。引导条件状语从句，表示“只要”应用so long as。故选A。
3. D
【详解】考查状语从句。句意：虽然很多人喜欢使用微信交流的便利，但上面太多的垃圾信息可能会让他们感到无聊。A. How如何；B. When当……时候；C. Since既然；D. While在……期间，虽然。此处引导让步状语从句，表示“虽然”应用while。故选D。
4. D
【详解】考查连词辨析。句意：——你认为这个老师怎么样？——虽然她举止优雅，但有时很难对付。A. Even if即使；B. As当……时候，尽管；C. Because因为；D. While虽然，尽管。“elegant”和“extremely difficult”形成转折关系，需用while引导让步状语从句，as引导让步状语从句需要部分倒装。故选D。
5. A
【详解】考查状语从句。句意：我学习意大利语，这样我就能读到但丁的原著。A. so that以便；B. even though即使；C. in case以防；D. as if好像。分析可知，空处引导目的状语从句，意为“以便”。故选A项。
6. A
【详解】考查状语从句。句意：几年后，海伦和周梅在纽约又见面了，他们的友谊重新开始于当初停止的地方。分析句子结构以及句意可知，此处用引导地点状语的连词，表示“他们的友谊在当初停止的地方又恢复了”，所以用where引导，故选A。
7. C
【详解】考查从属连词辨析。句意：既然你有机会证明你的能力，为什么不充分利用它呢？A. Even if即使，虽然；B. As soon as一……就……；C. Now that既然；D. As long as只要。结合句意可知，此处应用now that引导原因状语从句。故选C项。
8. A
【详解】考查结果状语从句。句意：全球变暖的力量如此强大，以至于气候从一个极端走向了另一个极端。“such. . . that. . . ” 意为“如此……以至于……”，为固定搭配，此处such放在句首主句用部分倒装。so需要修饰形容词或副词。故选A。
9. D
【详解】考查固定句型和连词辨析。句意：虽然自从他退休已经5年了，但这位老教授在学术界仍然很活跃。A. when当；B. that那个，连词；C. before在. . . . . . 之前；D. since自从。“ It is+一段时间+since+一般过去时”是固定句型，表示“自从……以来多长时间”，根据句意，故选D。
10. D
【详解】考查状语从句的省略。句意：教授见到我们虽然很惊讶，但还是热情地欢迎了我们。be surprised to do，对做某事很惊讶，在though引导的让步状语从句中，当从句主语与主句主语一致且含有be的某种形式时，可省略从句的主语和be，本句完整形式为：Though he was surprised to see us，相当于省略了he was，故选D。
11. A
【详解】考查状语从句。句意：尽管她的衣柜里有各种各样的衣服，这位女士仍然抱怨没有合适的衣服穿。A. Even though尽管，即使；B. Provided that如果；C. If only只要；D. As if好像。引导让步状语从句，表示“尽管”应用even though。故选A。
12. B
【详解】考查连词和副词。句意：很多人认为，虽然牛顿的确是受到了掉落的苹果的启发，但没有证据表明苹果砸到了他的头。A. when当. . . 时候；B. while虽然，尽管； C. then然后； D. than比。分析句子可知，设空处引导让步状语从句，只有while可以引导，when引导时间状语从句，then为副词，than引导比较状语从句，故选B。
13. B
【详解】考查状语从句。句意：尽管APP微信改变了我们的生活，它也有一些负面影响。A. Since既然；B. While在……期间，尽管；C. Unless除非；D. As当……时候。根据后文“the APP WeChat has changed our life, it also has some negative effects”为转折关系，此处为让步状语从句，表示“尽管”应用while。故选B。
14. B
【详解】考查状语从句。句意：——我们有足够的时间？坐公共汽车怎么样？——好的，只要公共汽车不拥挤就行。A. as though好像；B. as long as只要；C. in order that以便；D. in case万一。引导条件状语从句，表示“只要”应用as long as。故选B。
15. C
【详解】考查连词词义辨析。句意：只有当你真正经历过这份工作时，你才会意识到它有多难。A. unless除非；B. until直到；C. when当……时；D. before在……之前。根据“you really experience it”可知，此处是指只有当你真正经历过这份工作时，应用连词when引导时间状语从句。故选C。
16. C
【详解】考查同位语从句，时间状语从句及时态。句意：毫无疑问，当温度降低，金属缩小。根据句意及句子结构可知，此句是同位语从句，引导词用that。本句描述客观事实，故用一般现在时。主语是单数名词metal，故用动词单三contracts，表示“缩小”。根据句意“当温度降低，金属缩小”可知，此句是时间状语从句，故用引导词when，故选C项。
17. B
【详解】考查状语从句。句意：我还在院子里浇花，在必要的时候整理我自己的卧室。A. whatever无论什么；B. whenever无论何时；C. no matter which无论哪个；D. no matter where无论在哪。引导让步状语从句，表示“在必要的时候”应用whenever necessary。故选B。
18. B
【详解】考查状语从句。句意：既然天气已经转晴，我们可以启程了。A. In case万一，假如；B. Now that既然；C. Even though即使；D. Ever since从那时起。引导原因状语从句，表示“既然”应用now that。故选B。
19. A
【详解】考查从属连词。句意：许多人欢迎有机会做有意义的事情，即使他们得不到报酬。A. even if即使，虽然；B. as if好像；C. in case万一；D. now that既然，由于。由语意可知，此处考查让步状语从句，即使没有报酬，也愿意去做有意义的事。A项符合语境。故选A项。
20. A
【详解】考查状语从句。句意：——他们家里没有多少东西。——因为他们打算在鲍勃拿到学位之前一直住在这里，所以他们不想买太多家具。A. Since因为；B. Although虽然；C. While在……期间；D. Unless除非。根据句意，引导原因状语从句，表示“因为”应用since。故选A。
（4）
1. A
【详解】考查状语从句。句意：你说话必须大声些，以便大家都能听到，尤其是坐在后面的人。A. in order that为了，以便；B. on condition that如果，假如；C. so long as只要；D. in case万一，假使。引导目的状语从句，表示“以便”应用in order that。故选A。故选A。
2. C
【详解】考查条件状语从句、时态。句意：如果明天我有空，我将和你一起去游泳。按照“主将从现”的原则，根据时间状语tomorrow可知，条件状语从句中，应用一般现在时表示将来。故选C项。
3. C
【详解】考查条件状语从句。句意：除非你再努力学习一些，否则你将通过不了期末考试。A. If 如果；B. Until直到；C. Unless除非；D. Except除了。根据句意及所给句子可知，此处应用unless引导条件状语从句，其他选项明显不符合题意。故选C。
4. B
【详解】考查连词。句意：我很匆忙，以便我不会上课迟到。A. so conj. 因此；B. so that 以便；C. if conj. 如果，倘若；D. unless conj. 除非。根据句子结构和意思可知，这里考查表示“以便”意思的连词，引导目的状语从句。故选B。
5. C
【详解】考查连接词词义辨析。句意：为了我们可以早点到那里，我们应该坐大巴去。A. as soon as一……就……；B. where在……的地方；C. in order that为了；D. as当……的时候，因为。根据句意及所给句子可知，we can get there earlier是目的，应用in order that引导目的状语从句。故选C。
6. C
【详解】考查状语从句。句意：我到那儿很晚，没看见他。A. too; to太而不能；too后加形容词/副词， to后加动词原形； B. such; that 如此……以至于；such后加冠词+形容词+名词；C. so; that如此……以至于；so后加形容词+冠词+名词； D. so; as像……这样，as引导定语从句。 so+形容词/副词 that引导结果状语从句。题干中空后是副词，不能选A和B；I didn’t see him. 是完整的句子，不能选D。故选C。
7. A
【详解】考查连词。句意：由于我的头脑清醒了，我的大脑开始运转得更好了。A. now that 既然；由于；B. although conj. 虽然；C. due to 由于；因为；D. despite prep. 尽管，虽然。根据句子结构和意思可知，这里需要连词，表示“因为，由于”的意思，引导原因状语从句。C选项的是介词短语。故选A。
8. D
【详解】考查连词词义辨析。句意：随着生活节奏的不断加快，我们正在迅速失去放松的艺术。A. Although尽管，即使；B. Unless除非；C. If 如果；D. As随着，当。结合句意可知，此处用as引导时间状语从句符合语境，意为“随着……”。故选D。
9. C
【详解】考查连词词义辨析。句意：由于我没有什么工作经验，我将不得不做一系列的无薪工作，直到我找到我理想的工作。A. after在……之后；B. so因此；C. until直到；D. when当。结合句意可知，此处是指“我”要一直做没有薪水的工作，直到找到理想工作为止，用until引导时间状语符合题意。故选C。
10. A
【详解】考查连词词义辨析。句意：虽然地球是已知的唯一支持生命的行星，但
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