Unit 13 We are trying to save the earth!
Section A (1a—2d)
Ⅰ. 根据句意及所给首字母提示，补全句中所缺单词。
1. I think Jane’s kite is beautiful. However, Tina’s is u . 2. As you can see, our desks are w , not plastic. 3. There are tea leaves in the b of my cup.
4. People who drop l can be fined (罚款) in some cities. 5. She had the a of a good education, so she got the job. Ⅱ. 根据句意，从方框中选择恰当的单词填空，有的需要变换形式。
bin, cost, coal, fisherman, takeaway 1. A hot ________ fell out of the fire and burnt the carpet (地毯).
2. A ________ is hot cooked food that you buy from a shop or restaurant and eat somewhere else
3. Do you want this or shall I throw it in the ________? 4. Writing such a long novel ________ much time and patience. 5. Look! Some ________ are catching fish over there. Ⅲ. 根据汉语意思完成英语句子，每空词数不限。 1. 工人们正在竭尽全力降低事故率。
The workers are doing all they can _________________ the accident rate.
Believe In Yourself ！
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2. 左边第二个房间里堆满了书。
The second room on the left is _________________ books. 3. 你应该向那些参与挽救病人的医生道谢。
You should say thanks to those doctors who have _________________ saving the patient.
4. 多读书对你的学习有好处。
Reading more _________________ your studies. 5. 拉里将去开会，而不是我。
Larry will go to the meeting _________________ me. 6. 王老师的话对那个小男孩已经起作用了。
Mr. Wang’s words have _________________ to the little boy. 7. 我的目的是把这件坏事变成好事。
My purpose is to _________________ this bad thing _________________ a good one.
8. 保持教室干净是我们的责任。
It’s our duty to _________________ the classroom _________________. 9. 记得给你弟弟买一些书。
_________________ some books for your brother. 10. 我们小区的噪音污染很严重。
Believe In Yourself ！
The _________________ in our neighborhood is very serious.
Ⅳ. 根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。 A: Hi, Zhang Hua, did you watch the 9 o’clock program on CCTV 1 last night? B: No. (1)______
A: Environmental protection. (2)______ B: What can we do?
A: (3)______ After washing something, we can use the water to do something else. B: I agree with you. Also we must stop factories from pouring waste water into rivers and lakes. (4)______
A: You’re right. Besides, we shouldn’t use plastic bags, either. B: Good idea. What else can we do?
A: (5)______ Making paper takes too many trees.
B: Right. We should process waste paper so that it can be used again. A. If they keep doing that, more and more living things will die. B. There are many things he can do. C. We can save electricity. D. We can also save paper. E. What was it about? F. We can start by saving water in our daily life. Believe In Yourself ！
G. It told us some good ways to do that. 答案：
Ⅰ. 1. ugly 2. wooden 3. bottom 4. litter 5. advantage Ⅱ. 1. coal 2. takeaway 3. bin 4. costs 5. fishermen Ⅲ. 1. to cut down 2. full of / filled with 3. played a part in 4. is good for 5. instead of 6. made a difference 7. turn; into 8. keep; clean 9. Remember to buy 10. noise pollution Ⅳ. 1-5 EGFAD
Unit 13 We are trying to save the earth! Section A (3a—Grammar Focus)
Ⅰ. 根据句意及所给汉语提示，写出句中所缺单词。
1. Don’t play a joke on him about his weight — it’s ________(残忍的). 2. You are supposed to know the ________(法律) of your own country. 3. Can these toys be ________(回收利用)?
4. These materials are widely used in ________(工业).21世纪教育网版权所有 5. They walked because they couldn’t ________(负担得起) a taxi.
6. To solve this problem, we need to learn more ________(科学的) knowledge.
Believe In Yourself ！