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1、Unit 13 Were trying to save the earth!基础导练1、 根据句意及首字母或汉语提示完成句子1.To recycle books and paper is easy. But it is very important for protecting the e.2.We are so poor that we cant aa house like that.3.This city is the (工业) center of the country.4.I think its (残忍的) to make such a young boy work all day.5
2、.Smoking is(有害的)to our health.2、 单项填空（ ）1.He is very confident, _ he has an ugly face. A. but B. though C. so D. and（ ）2.We know _ pollution is _ big problem. A. the; X B. a,; X C. X,; a D. X; the（ ）3. She _ fifty dollars _ these booksA. cost, on B. paid, for C. spent, in D. took, to（ ）4. He used to
3、 _ in the sun, but now he is used to _ at night. A. read, read B. reading, read C. read, reading D. reading, reading（ ）5. Your hair is too long, you have to have your hair _.A. cut up B. cut off C. cut down D. cut out三、根据汉语意思完成句子许多专家认为，到2020年，印度人口可能会比中国人口多。Many experts think that Indias _ may be _ t
4、han Chinas by 2020.今天该轮到你值日了。Its your _ to be on _ today.那边出了什么事？那么多人挤在大门口。Whats _ over there? So many people are _ round the gate.出门的时候别忘了锁门。Dont forget to _ the door when you _ home.别插队，否则别人会生你的气。Dont be a _ _ , or the others will get angry with you.能力提升1、 用方框中所给词的适当形式填空build, pollute, surprise, i
5、mportant, weigh 1. I was _ to see nobody else was there when I arrived.2. Look at the huge stone. Do you know its _?3. My dear friends, look at the _ water. We must do something about it.4. Look! The house is _ out off used soda cans.5. Could you please tell me the _ of the such a project?2、 单项填空1.
6、The girl can hardly speak English, _ she?A. cant B. can C. does D. doesnt2. Tom likes making model toys _ used soda cans. A. of B. out C. off D. out of3.The old man want to sell all the things _ money for Childrens Hospital. A. to raise B. to keep C. to give D. to bring4. Im looking for a place _ tr
7、ees grow in water. A. that B. which C. what D. where5.The little boy urged his mother _ a toy truck for him. A. to buy B. buying C. buy D. buys三按要求完成下列句子1. She has cleaned the room.(改为一般疑问句) _she _ the room?2. Tina bought the car last year. (改为同义句) Tina _ _ the car _ a year.3. They are trying to sav
8、e the animals. (对画线部分提问) _ are they trying _ _?4. They sweep the floor once a day. (对划线部分提问) _ _ do hey sweep the floor?5. Im not against building a new zoo in our town. (改为同义句) I _ _ build a new zoo in our town.参考答案基础导练一 1.environment2.afford3.industry4.cruel5.harmful二 15 BCBCA三、1.population, larger 2. turn, duty 3.happened, crowding 4.lock, leave 5.queue jumper能力提升一1.surprised 2.weight 3.polluted 4.built 5.importance二15 BDADA三1.Has; cleaned 2.has had; for 3.What; to do 4.How often 5.agree to
