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2024外研版高中英语必修第三册同步
Part 4 Writing
实验报告
写作题目
假定你是李华,你校英文报最近开创了一个叫做 “Interesting Experiments”的新栏目,现面向全体学生征集稿件。下表中罗列了你在化学课上刚刚做过的实验内容,请你写一份英文实验报告向校英文报投稿。
实验目的 验证蛋壳在醋中是否会溶解
实验用具 水、碗、小勺、鸡蛋、醋
实验步骤 (1)将带壳的生鸡蛋在清水中洗干净; (2)将鸡蛋放入准备好的碗中; (3)在碗中加入足够量的醋; (4)静置两天。
实验结果 蛋壳在醋中溶解
参考词汇:生的raw 蛋壳eggshell
溶解 dissolve 碳酸钙 calcium carbonate
注意:1.词数80左右;
2.可以适当增加细节,以使行文连贯。
思路点拨
主题 蛋壳在醋中是否会溶解 体裁 说明文
布局 1.实验目的 2.实验用具 3.实验步骤 4.实验结果
人称 以第二人称和第三人称为主 时态 一般现在时
遣词造句
Ⅰ.用本单元所学单词或短语填空
1. n.实验
2. n.步骤
3. adv.完全地,彻底地
4. 换句话说
答案 1.experiment 2.procedure 3.entirely 4.in other words
Ⅱ.本单元语块、语法运用
1.完成句子
实验目的:
(1)做个实验看看蛋壳是否在醋里溶解。
Do an experiment to find out in vinegar.
实验步骤:
(2)把鸡蛋放在事先准备好的碗里。
Put the egg in .
(3)它必须足够大,能放下鸡蛋和醋。
It must be the egg and vinegar.
实验结果:
(4)蛋壳完全溶解在醋里。
Eggshells in vinegar.
(5)那是因为醋里含有酸。
vinegar contains acid.
(6)它能分解蛋壳中的主要成分碳酸钙。
It breaks down the calcium carbonate .
答案 (1)whether/if the eggshells dissolve
(2)the prepared bowl
(3)big enough to hold
(4)dissolve entirely
(5)That's because
(6)that is the main ingredient of eggshells
2.句式升级
(7)用含有定语从句的句子合并句(2)和句(3)
(8)用含有定语从句的句子合并句(5)和句(6)
答案 (7)Put the egg in the prepared bowl, which must be big enough to hold the egg and vinegar.
(8)That's because vinegar contains acid, which breaks down the calcium carbonate that is the main ingredient of eggshells.
连句成篇
参考范文
Aim:Do an experiment to find out whether/if the eggshells dissolve in vinegar.
Materials:water, a bowl, a spoon, an egg, vinegar
Procedure:
1.Wash a raw egg with shell in the water.
2.Put the egg in the prepared bowl, which must be big enough to hold the egg and vinegar.
3.Add enough vinegar with the spoon to cover the egg.
4.Cover the bowl, put it on the table, and then keep the egg in vinegar for 48 hours.
Result:The eggshells dissolve. In other words, the eggshells disappear in vinegar.
Conclusion:Eggshells dissolve entirely in vinegar. That's because vinegar contains acid, which breaks down the calcium carbonate that is the main ingredient of eggshells.
写作积累
(一)增色词汇
1.实验目的:aim;goal;purpose;prove;phenomenon;whether;in the hope of;in order to;carry out an experiment...
2.实验步骤:firstly;secondly;thirdly;then;react;prepare;besides;finally;what's more;in addition;as follows;at last;last but not least;pay attention to;watch carefully;take note of...
3.实验结论:data;show;conclude;draw/reach a conclusion;in conclusion;to sum up;in a word;on the whole;all in all;in other words...
(二)精彩句型
1.To find out if/whether..., we carried out this experiment.
2.With the purpose of..., we are going to carry out an experiment.
3.Through the experiment, you can further learn about the theory of...
4.The result of the experiment shows...
5.In conclusion, from what happened in the experiment, we can say...
实战演练
假定你是某国际学校的学生,在今天的化学课上,老师做了镁在空气中燃烧的实验,并要求每人在课后为这次实验写一篇英文实验报告。请根据表格中的内容完成这篇报告。
实验目的 验证镁是否会和空气发生反应
实验用具 钳子,本生灯,火柴,镁条
实验步骤 (1)用火柴点燃本生灯; (2)用钳子夹住镁条; (3)将镁条置于本生灯上方,观察现象。
实验现象 镁条剧烈燃烧,发出耀眼的白光,放热,并生成白色的粉末
实验结论 镁会和空气发生反应
参考词汇:镁条magnesium bar
钳子 tongs
本生灯Bunsen burner
注意:1.词数80左右;
2.可以适当增加细节,以使行文连贯。
答案与分层梯度式解析
Unit 3 The world of science
Part 4 Writing
实战演练
One possible version:
Aim:Find out whether the magnesium reacts with air.
Materials:a pair of tongs, a Bunsen burner, a box of matches, a magnesium bar
Procedure:
1.Light the Bunsen burner with a match.
2.Use the tongs to hold the magnesium bar prepared in advance.
3.Hang the magnesium bar over the Bunsen burner to see what will happen.
Phenomenon:The magnesium bar gives off strong white lights and heat, forming a small amount of white powder.
Conclusion:Magnesium, a lively metal, can react with air. In addition, after burning, it can form a kind of new substance called magnesium oxide.
1.重点词汇
①react with与……发生化学反应
②light v.点燃
③in advance提前
④give off散发出(气体、热量或气味)
⑤conclusion n.结论
2.亮点句型
①Find out whether the magnesium reacts with air.(whether引导宾语从句)弄清镁是否与空气发生化学反应。
②The magnesium bar gives off strong white lights and heat, forming a small amount of white powder.(现在分词短语作状语)镁条释放出强烈的白光和热量,形成少量白色粉末。
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