Unit 2 Saving the earth. Topic 1 Pollution causes too many problems同步练习（3份，含答案）

Unit 2 Saving the Earth Topic 1 Section A 同步练习 根据句意及首字母提示完成单词。 1. We must try out best to c a clean and beautiful environment. 2. The boy is too w to carry such a heavy box. 3. The government began to rebuild these w buildings after the big earthquake. 4. The air pollution is so bad that we can’t b here. 5. There’s too much noise in the factory and it can make workers d easily. 二、根据汉语提示完成句子。 1.It’s impolite to （打扰）others when they are talking. 2. （垃圾）pollution influences our environment. 3.His books have （影响）millions of people.After reading them,they have changed a lot. 4.With the development of （工业），our country becomes stronger and stronger. 5.We are now （生产）the same quantity （数量）of goods with far fewer workers. 三、选出能够代替句中画线部分的选项。 （ ）1.Look,there are several chemical factories pouring waster water into the river. A. many B. much C. some D. any （ ）2.Many fish in the river have died because of water pollution. A. been death B. bed dead C. dead D. death （ ）3.She has made quite a few friends since she came to China last year. A. some B. a few C. many D. several （ ）4.Light pollution is harmful to our eyes. A. to harm B. harming C. harmed D. harms （ ）5.Lucy didn’t no better than Lily, because both of them didn’t pass the exam. A. as better as B. as well as C. as worse as D. as badly as 单项选择。 （ ）1.—How long have you been like this? — . A. Yesterday before. B Yesterday C. Before yesterday D. Since yesterday. （ ）2.—Could you tell me ? —About three hours. A. how long it takes to fly to Hong Kong B. how long it took to fly to Hong Kong C. how long does it take to fly to Hong Kong D. how long didn’t it take to fly to Hong Kong （ ）3.The noise pollution is too serious, and lots of workers in this factory deaf so far. A. go B. goes C. went D. have gone （ ）4.—Have you China for a long time? —Yes, I here three years ago. A. come to; came B. come to; have come C. been in; came D. gone to; come （ ）5.—What didn’t your teacher say just now? —He asked me this morning. A. how did Tom come to school B. when Tom got to school C. why was Tom late for school D. what Tom got to school 五、情景交际。 根据对话内容，在下面对话的空白处各填写一个完整的句子，使对话意思完整、通顺。 A: You look pale.1 ? B: My chest hurts and it is difficult for me to breathe, A: I’m sorry to hear that.2 ? B: Yes, I have. I have been to the doctor’s. The doctor gave me some medicine. A: 3 ? B:I have been like this since this morning. A: What makes your chest hurt? B: I think it may be the terrible gas the chemical factory produces. A: 4 ? B: I don’t want to stay at home because I’m afraid I’ll miss today’s lessons. A: Take care of yourself. Don’t worry.5 . B: Really? You can help me with my lessons? You are so kind. Thank you. 六、完形填空。 The earth is our home and we must take good care of it. That is to say we must 1 the land, air and water clean. But man 2 a lot of polluti ... ...