人教版九年级全册Unit 13 We're trying to save the earth! 作业练习（含答案）

人教版 九年级 Unit 13 作业练习
一、根据句意及首字母或汉语提示写单词
1. I often drink a b of cool water after running for an hour.
2. The lock is made of m .
3. Let’s meet at the school g tomorrow.
4. I hear that the ____________ (负责人) of the company will give us a short speech.
5. Last Sunday I went to Beijing Museum and saw many valuable ________ (作品) on show.
二、用所给词的适当形式填空
1. People should stop using _________ (napkin) and use cloth ones.
2. Sara has lived in a house that was built with ___________ (recycle) things since 10 years ago.
3. However, __________ (wood) chairs and tables feel better and are better for people’s health.
4. Second-hand smoke is even more __________ (harm) to our health.
5. There is an art park in our city. The works are made of ___________ (reuse) materials.
三、单项选择
1. To save energy, people ________ lights for an hour in March every year.
A. turn off B. turn up C. turn down D. turn on
2. The water is so clear that we can see the ________ of the river because the government has made the laws to protect it.
A. bottom B. top C. back D. middle
3. That photo always ________ wonderful memories whenever I see it.
A. puts off B. brings back C. writes down D. makes up
4. Although he can ________ a car, he always rides a bike to work.
A. protect B. put C. afford D. bring
5. Our teacher told us not to ________ waste bottles. They can be ________ good use.
A. throw away; put to B. give away; put to
C. put away; put in D. throw away; put in
6. The scientists and experts are looking for ways to ________ air pollution. The hazy weather is really harmful to our health.
A. cut down B. get down
C. come down D. take down
7. We shouldn’t always talk about the problem. We should ________ at once.
A. look out B. take action
C. wait for D. give away
8. To make the environment much better, more trees ________ next year.
A. plant B. will plant
C. are planted D. will be planted
9. Although these books are old, don’t ________.
A. throw away it B. throw away them
C. throw it away D. throw them away
10. ________, he goes to school on foot.
A. Save money B. Making money
C. To save money D. To make less money
四、翻译句子
1. 空气污染对我们有害。 (be harmful to)
______________________________
2. 昨天你参加那项活动了吗？ (take part in)
________________________________________
3. 你应该合理利用父母给你的钱。 (put to good use)
_________________________________________
4. 让我们采取行动来保护环境吧。 (take action)
__________________________________________
5. 她不仅聪明而且勤奋。 (not only…but also…)
_________________________________________
答案
一、
1.bottom
2.metal
3.gate
4.president
5.gate
二、
1.napkins
2.recycled
3.wooden
4.harmful
5.reusable
三、
1—5 AABCA
6—10 ABDDC
四、
1. Air pollution is harmful to us.
2. Did you take part in the activity yesterday
3. The money your parents give you should be put to good use.
4. Let’s take action to protect the environment.
5. She is not only smart but also hard-working.