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Unit 4 Our World

Topic 2 How can we protect ourselves from the

earthquake?同步练习

Ｉ． 词汇。（每小题1分，共15分）

A. 根据句意及汉语提示写单词，使句子完整、通顺。 1. All the windows face __________ (朝) the river. 2. I was in a difficult _____________ (处境) at that time.

3. We have received ____________ (消息) that Grant may have left the country. 4. Who ______________ (发明) the computer? 5. I don’t think there are living things on other __________ (行星).

6. This English-Chinese _____________ (字典) is very useful. 7. There are many beautiful ____________ (气球) flying in the sky. 8. I want to be a ____________ (科学家) in the future.

9. When are you going to ____________ (修理) that light in the hall? 10. __________ (机器人) can do some work better than humans. B. 用括号中所给词的适当形式填空，使句子完整、通顺。 11. They are going to do lots of ________ (work) this weekend. 12. We shouldn’t spend too much time _________ (watch) TV. 13. The machine is broken, so it is ___________ (use).

14. I think a dictionary is _____________ (help) in studying English. 15. Robots can do hard and ___________ (bore) work for people.

ＩＩ． 从Ａ、Ｂ、Ｃ、Ｄ四个选项中选择最佳答案。（每小题1分，共15分） ( ) 16. He studied for a test _____ watching TV yesterday.

A. instead C. prefer

B. instead of D. because of

( ) 17. She _____ know the answer, but I’m not sure.

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A. may be C. mustn’t

B. maybe D. must

( ) 18. The music made him very _____, and he wanted to dance.

A. excited

B. bored

C. sad

D. tired

( ) 19. I’m not sure ______ he will fly to America tomorrow.

A. how

B. what

C. whether D. where

( ) 20. — Could I use your computer, Jack?

— ____________. A. It doesn’t matter

B. Of course D. You’re welcome

C. Thanks a lot

( ) 21. You shouldn’t _______ too much money buying this kind of books.

A. spend

B. cost

C. pay

D. take

( ) 22. — _____ you _____ the Internet is good for us?

— Yes, of course. A. Are; sure

B. Would; mind D. Are; think

C. Are; believe

( ) 23. Lucy and Lily are twins. I can’t tell them and often _______ Lucy

________ Lily. A. mistake; for C. call; with

B. tell; from D. make; for

( ) 24. — Could you tell me _____ about robots?

— Sure. A. thing

B. something D. everything

C. nothing

( ) 25. It was time to get up, but Teddy was still sleeping, so his mother had to

________. A. look after him C. look him over

B. wake him up D. help him out

( ) 26. ________ Judy was listening to the radio, the doorbell rang.

A. Since

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B. Though

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C. Before D. While

( ) 27. It may be _______ to feed animals in the zoo. They may hurt people.

A. boring

B. dangerous D. safe

C. interesting

( ) 28. — What should I do if I don’t understand the word?

— ___________ in a dictionary. A. Look at it C. Look it up

B. Look for it D. Look it out

( ) 29. — How can I learn English well?

— You’d better ______ English often, or you’ll forget it very soon. A. like

B. use D. to use

C. to like

( ) 30. Jane _______ e-mails ______ her friends to tell them about her school life.

A. wrote; to

B. sent; for

C. got; from

D. took; to

ＩＩＩ． 按括号中的要求完成下列各题。（每小题2分，共10分） 31. It took him two weeks to finish the work. (同义句转换)

He _________ two weeks _______ the work.

32. Are there UFOs? Even scientists aren’t sure. (合并为一个句子)

Even scientist aren’t sure __________ UFOs.

33. He doesn’t ride a motorbike to work and he rides a bike today. (同义句转换)

He rides a bike to work ____________ riding a motorbike today. 34. I can lend him the book after I finish it. (对划线部分提问)

___________ you lend him the book?

35. I believe the football game is wonderful. (改为否定句)

______________________ the football game is wonderful.

ＩＶ． 根据上下文语境补全对话，使对话完整、通顺。（每小题2分，共10分） A: Hello, Jack! (36) ______________________

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