仁爱英语九年级上册Unit 2 Topic 1 Pollution has causes too many problems.单项选择专项训练（含答案）

仁爱英语九年级上册Unit 2 Topic 1单项选择专项训练 Unit 2 Topic 1 单项选择专项训练 ( )1. After the operation，John _____ on coffee，and ate a balanced diet. A. came down B. cut down C. sat down D. took down ( )2. There is a traffic policeman _____ the old man cross the road in the heavy rain. A. supporting B. supports C. support D. to support ( )3. — Jerry，don't play computer games any more. You're _____ your time. — OK，mom. A. taking B. washing C. making D. breaking ( )4. — What are you looking for，Tom？ — My MP3 player. It _____ right here just now but now it's _____！ A. has been；gone B. was；gone C. was；going D. is；going ( )5. The three kids like throwing boys around in their room. So you can't imagine _____. A. what a shame B. my goodness C. what a mess D. what a terrible ( )6. — Have you finished your homework，Jack？ — _____ Two math problems are so difficult that I can't work them out. A. Yes，I have. B. No，never. C. Not yet. D. Yes，already. ( )7. — Jim，you cough a lot. How long have you been like this？ — _____ last Saturday. A. On B. In C. From D. Since ( )8. Don't say you have done _____ work. In fact，there are _____ old people working like you in poor areas. A. too much；too many B. much too；too much C. too many；too many D. too many；too much ( )9. This kind of food is _____ the children’s health. So the government should stop the factory producing it. A. harm to B. harm for C. harmful to D. harmful at ( )10. Carrie wasn't sure whether the book was the right one，but she bought it _____. A. anyway B. already C. yet D. once ( )11. Li Hua did badly in her final exam. In fact，I did _____ her. A. not as well as B. no better than C. not better than D. not worse than ( )12. — Do you think that work without rest will _____ your health？ — Yes，I think so. A. be harm to B. be harm for C. do harm at D. do harm to ( )13. Anything is possible if you are _____ your best. A. try to do B. try doing C. trying to do D. trying doing ( )14. Working in a noisy environment for too long may make you _____. A. deaf B. comfortable C. pleasant D. blind ( )15. Our government has tried all sorts of ways _____ the pollution，including noise pollution. A. solve B. solving C. to solve D. solved ( )16. — How long have you _____ this book？ — _____ two weeks. A. lent；For B. borrowed；Since C. kept；For D. had；Since ( )17. The flowers and grass _____. What _____ to them in the past？ A. has gone；happened B. have gone；happened C. have gone；has happened D. has gone；has happened ( )18. They stopped working at nine o'clock in the morning _____ rain. A. in need B. instead of C. because of D. rather than ( )19. We all know air pollution，soil pollution，water pollution and noise pollution are bad. But not all people know light pollution can _____ our health，too. A. be good at B. do well in C. be good for D. do harm to ( )20. The farmers use _____ chemicals in their land and they have caused soil pollution，so don't use chemicals _____. A. to ... ...