Unit 6 When was it invented Section A (1a-2d)同步分层练习（含答案）

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Unit 6　When was it invented
Section A (1a-2d) 同步分层练习
【知识点过关练】
一、根据语境,用所给词的适当形式填空
1.—Were you _______ (invite) to Linda’s birthday party
—No, I wasn’t.
2.—What is the knife used for
—It’s used for _______ (cut) watermelons.
3.What do you think is _______ (useful) invention of all
4.—Can you help me look after my cat today
—With_______ (pleasant).
5.The Internet is very important in our _______ (day) lives.
6.The light is used for _______ (see) in the dark.
7.The new skirt was _______ (buy) by Mrs Smith last week.
8.I don’t like reading, not to mention _______ (do) that at night.
二、根据语境,选择恰当的短语完成下列各句。短语中有一个为多余短语
are used for,the telephone,have a point,helps others,saving water,was mentioned
1.What he said seemed to _____________.
2.When was _______________ invented
3.The lights _______________ seeing in the dark.
4.We have already thought of many ways of ________________.
5.By volunteering as a teacher for kids, Mary not only does what she loves to do, but also ________________.
【核心素养提升练】
三、选出能填入空白处的最佳选项(其中有一个多余选项)
A.beginning　B.result　C.changed
D.called　E. inventors 　F.when　G.but
We can see many inventions around us every day. Some of the inventions have already 1.　　 our life and made our world more beautiful. Paper is a kind of useful invention. There was no paper for people to use a few thousand years ago. A lot of 2.　　 in China wanted to find a new way for people to make a thing that could be written on. It must be cheap and light enough. A kind of paper has already been invented at the 3.　　 of Han Dynasty,4.　　 it was too thin and soft, so most authors preferred to use the heavy bamboo rather than use this kind of paper.
At that time, there was a man 5.　　 Cai Lun. He was very familiar with the technique and then he made a new kind of paper which was based on that. This new kind of paper was made of wood, used cloth and something that was very cheap and quite easy to get. As a 6.　　, people now in the world are still using the paper which is made by the way that Cai Lun began to use.
1_________2________3________4_________5_______6________
参考答案
一、根据语境,用所给词的适当形式填空
1. invited
2. cutting
3. the most useful
4 pleasure
5. daily
6. seeing
7. bought
8. doing
二、根据语境,选择恰当的短语完成下列各句。短语中有一个为多余短语
1.have a point.
2. the telephone
3. are used for
4. saving water.
5. helps others.
三、选出能填入空白处的最佳选项(其中有一个多余选项)
1.　C　 2.　E　 3.　A　4.　G 5.　D　 6.　B　
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