人教版精品英语资料（精校版）
Unit13 We're trying to save the earth!单元练习
一、单项选择（共15小题；共15分）
1. Look! Jack and his monkey flying disk together in the garden. A. is playing B. was playing C. are playing D. were playing
2. --- Do you know the boy over there? --- Sure. I him for two years.
A. will know
--- Every two years.
B. knew C. known D. have known
3. --- How often your school sports meeting ?
A. were; held B. are; held C. was; held D. is; held
4. --- \
--- Sorry, it just now. But it will come out again soon.
A. sold out A. short A. may not A. did
B. is sold out B. is short B. needn't B. do
C. has sold out C. be short C. mustn't C. doing
D. was sold out D. was short D. couldn't D. to do
5. Zhang Jing used to . But now she is much taller. 6. There will be an important test tomorrow morning. You be late. 7. The teacher made us English exercises all the time. 8. The harder the workers work, . A. the more money they'll get C. the more they'll get money
--- That sounds great!
B. they'll get them more money D. they'll get much money
9. --- fine day! Shall we go for a walk?
A. What A. neither; nor C. not only; but also
B. How C. What a B. either; or D. not; but
D. How a
10. At school, we are taught knowledge how to behave well. 11. --- Some children can't afford necessary stationery. --- Let's donate our pocket money to them.
A. buy B. buying C. to buy D. be bought
12. --- The T-shirt looks nice on you! How much does it ? --- I just ten dollars for it. A. take; afforded B. cost; paid C. cost; spent
13. --- Why not the dancing? --- That's a good idea. Let's them.
A. join; join C. join; join in
--- Oh, I forgot to . B. join in; join D. join in; join in
14. --- The light in the office is still on.
A. turn it off A. Buying old things C. Recycling things
B. turn it on C. turn it up
B. Making cheap things D. Using cheap things
D. turn it down
15. helps us a lot to protect the environment. 二、单词拼写(单句首字母填空)（共8小题；共8分）
16. Living in the city has many a such as good schools, big shopping centers and so on. 17. They killed many sharks last year. How c they are! 18. When i is well developed in one country, the people there will be rich and live a better life. 19. So far, no s studies have shown that sharks fins are good for health. 20. John Adams was once P of the US. 21. Shrek is an u green animal. 22. People throw l into the river and make it really dirty. 23. We should r the waste paper to protect the environment. 三、单词拼写(根据中文提示拼写单词)（共8小题；共8分）
24. My uncle decided to enter the film (行业) when he was in his fifties. 25. I suggest you use the public (运输工具) as much as you can. 26. (科学的) farming is very popular with farmers.
27. There is some information about the people who are (残酷) to animals. 28. Now we can a (买得起) a new bike. 29. Studying hard is her best (优点). 30. Don't use (塑料的) bags.
31. We collect the waste paper to (回收利用) it.
四、翻译(根据中文提示完成句子)（共5小题；共10分）
32. 吸烟有害健康。(词数不限) Smoking our health. 33. 你不用为这次活动付费，是免费的。
You needn't the activity. It's free. 34. 他爸爸过去常常在早上看报。（词数不限） His father read newspapers in the morning. 35. 现在我的生日蛋糕做好了。 My birthday cake now. 36. 我学英语已经有5年了。(词数不限) I English for five years. 五、完形填空（共10小题；共15分）
In the past, man did not have to think about the protection of the environment. There were not many people on earth, and natural resources seemed to be 37 . Today, things are different. The 38 has become too crowded. We are 39 our natural resources too quickly, and at the same time we are polluting our environment with dangerous chemicals. If we continue like this, humans on earth will 40 . If too many fishes are taken from the sea, there will soon be none left. Yet, with modern methods, more and more 41 are caught. We know that if too many trees are cut down, forests will 42 and nothing will grow on the land. Yet, we continue to 43 more and more trees. We realize that if rivers are 44 , we will die. However, in most countries waste products are still put into rivers or the sea, and there are 45 laws to stop this. We know that if the population of the world continues to rise at the present rate, in a few years, there will not be enough 46 . If there is nothing to eat, we will die, too. What can we do to solve these problems?
37. A. lost 38. A. world 39. A. looking for 40. A. stop 41. A. tigers 42. A. apply 43. A. plant 44. A. heated 45. A. few 46. A. clothes
B. rich B. street B. using up B. die B. elephants B. disappear B. water B. moved B. a few B. houses
C. good C. supermarket C. leaving away C. sleep C. fishes C. come C. cut C. melt C. little C. money
D. free D. park D. stopping from D. rest D. birds D. continue D. buy D. polluted D. a little D. food
六、阅读理解（共17小题；共34分）
A
Watching news about the environment on TV can make people feel terrible. The problems seem so big that it's difficult to imagine how persons can do anything about them. Rebecca Hosking, however, thought differently.
Rebecca is a wildlife camerawoman and she was filming a documentary for the BBC in the Pacific Ocean when she saw something that made her cry—quite a lot of dead birds that had died because they had eaten some plastics that is thrown into the sea each year. Beaches that used to be beautiful were covered with plastic toys, bottles, pens—every plastic thing you can think of.
Rebecca decided she had to do something. Back home she thought about what she could do to help deal with the problem of throwaway plastics. In her hometown of Modbury, she asked local shop owners to stop using plastic bags in their shops.
Plastic bags are used everywhere in the UK. The numbers are amazing. The UK uses nearly 17,000,000,000 plastic bags each year. And the bags can take a very long time to break down because they
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