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 a a 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 d
2、ay. 5.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 us
3、ed to _ 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
4、 be _ than 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1. I was _ to see nob
5、ody 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build, pollute, surprise, important, weig
6、h1. 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 _
7、trees 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 save
8、 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.参考答案基础导练一一 1.environment 2.afford 3.industry 4.cruel 5.harmful一一 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
