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人教版九年级上册Unit 6 When was it invented? 随堂练习(含答案)

2023年秋九年级英语第六单元自我评价题答案
一、1-5 DCABD
二、1-5 ACBDC 6-10 ACCCD
三、
1.ways 2.developed 3.their 4.to solve 5.called
6.which/that 7.if 8.helpful 9.properly 10.longer
四、 1.Tea 2.lived 3.Who 4.Study 5.What2023年秋九年级英语第六单元随堂练习题
Class
Name
一、阅读理解。(共5小题,每小题4分,满分20分)
Zu Chongzhi was one of the greatest mathematicians in ancient China.He was born during the Northern and
Southern dynasties.His family were very talented.They had been studying mathematics and astronomy (
for generations.From a young age,Zu was taught natural science,astronomy,math,philosophy (and so on.
The little boy was interested in all of these subjects,especially in math.
Zu was best known for his calculation of pi.According to historical records,he did all the work using only
wooden sticks.It took him lots of time to work out the value-between 3.1415926 and 3.1415927.No one at that
time was able to calculate it more accurately (than Zu.The achievement has been recognized around the
world.In order to remember Zu,some mathematicians have suggested calling pi"Zu Lv )"Zu was also
known for working out how to calculate the volume (of a sphere ()He did this with the help of his son
Zu Gengzhi.The two recorded their achievement in Zhui Shu.The book was used during the Tang dynasty.
But Zu was successful not only in math;he did a good job in astronomy,too.He worked out that a year
should be 365.24281481 days long and created the Daming Calendar.However,government officials at that time
did not agree with Zu.The great mathematician never saw his calendar put into use.After his death,Zu Gengzhi
kept on proving that the Daming Calendar was more accurate.Almost ten years later,the new calendar was finally
accepted.
Zu was also an inventor.He once made a vehicle that carried a pointer.However the vehicle turned,the
pointer always pointed to the South.Zu also invented the 1,000-li Boat.The boat could travel 100 li (about 60
kilometers)in a day.
1.What's the best structure for the text
1
②③

(4

2.Which question can get the answer from the book Zhui Shu
A.How to do calculations using wooden sticks B.How to work out the accurate value of pi
C.How to calculate the volume of a sphere
D.How to prove that a year is 365.24281481 days long
3.The Daming Calendar was not immediately put into use because
A.government officials refused to use the calendar
B.Zu Gengzhi proved that the calendar was inaccurate
C.the calendar was hard for the general public to accept
D.Zu Chongzhi later discovered mistakes in the calendar
4.Which picture most probably shows Zu Chongzhi's invention
D
5.What is the main purpose of the text
A.To introduce a great dynasty in ancient China.B.To introduce the achievements in ancient China.
C.To tell us a story about Zu Chongzhi and his son.D.To tell us about Zu Chongzhi's great achievements.
二、完形填空。(共10小题,每小题4分,满分40分)
Man has invented four kinds of satellites ()The first kind of satellite studies the geography (
of the earth.They are used 1 maps.They also help countries to see where they 2find oil or gold.
The second kind of satellite is used to guide3and planes.A ship or a plane can send a message to the
satellite,and the satellite can find out where the ship or 4.
The third kind studies the weather.These satellites watch clouds and strong winds5across the earth.
2023年秋九年级单元随堂练习英第11页共20页
CS扫描全能王
3亿人都在用的扫描ApP

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