unit 13 we're trying to save the earth section b

瀚海导与练教育信息网 天天精品 时时更新 精品资源 e揽无余Unit 13 Were trying to save the earth！Section B同步练习 根据提示完成单词1. In order to protect the environment, its important for us to r_ used books and paper.2. Obama is the p_ of the U.S.A.3. My English teacher is waiting for my parents at the school _ (大门)4. The table is made of _ (金属)5. My mother gave me two_ (瓶) of milk. 用所给单词的适当形式填空1. You had better take your own bags when _ (shop)2. What was the air pollution _ (cause) by? 3. Have you ever _ (throw) away things you dont like to use? 4. I have also _ (set) up a website to sell clothes online.5. Can the book be _ (bring) back to my room? 单项选择()1.I was doing homework _ the phone bell rang.A. when B.while C. as D. if ()2.The old man lives in a house that _ out of the stones.A. built B. was built C. build D. to build()3.Look! An old tall building is being _.A. pulled out B. pulled down C. pulled in D. pulled off()4.Song Zuying is known _ a singer.A. for B.as C. of D. to()5.We _ you to have a good trip.A. wish B. hope C. wish with D. hope to()6.Mr.Green asked us to stop _.So we stopped _ to him at once.A. talking; listening B. to talk; listening C. talking; to listen D. to talk; to listen()7.Waste paper must be _ good use.A. put B. put toC. to put D. puts ()8.The lake near my home used to _ clean.But now its too dirty.A. was B. is C. be D. are()9.My father plans _ an article about new methods of _ math.A. to write; learn B. writing; learningC. to write; learning D. writing; to learn()10._ pretty, but also she is intelligent.A. She is not only B. Not only she isC. Not only is sheD. Not she only is 完形填空Its very important that we all recycle.In nature, everything _1_ again.For example, when an animal dies，it becomes _2_ animals food.Nothing is wasted.But humans have created things like plastic bags _3_ cant be broken down by nature.Our rubbish kills animals and _4_ water and soil._5_ we continue making too much rubbish, the problem will only get worse.If nature cant reuse the rubbish, we must recycle _6_.We should clean up the rubbish weve made because nature cant.Recycling is also the right thing to do for another reason.The earth is rich in natural materials like water and trees, _7_ these materials are not endless.We use up our natural materials much _8_ than the earth is able to reproduce them.For example, each year we cut _9_ more than 6,000 square miles of forest.But it takes an average of 25 years for a new tree _10_.Recycling can help us save the earth, so lets take action right now.()1.A.use B. using C. is used D. used()2.A.another B. other C.others D.The other ()3.A.who B.which C.how D.where()4.A.pollutes B.pollutedC. polluting D.Is polluted ()5.A.When B. Whether C. Why D. If()6.A.them B. their C. it D. itself()7.A.but B.so C. and D. or()8.A.fastly B. fast C. faster D. fastest()9.A.out B. down C. in D. up()10.A.grows B. for growing C. growing D. to grow 书面表达节约资源， 保护环境，从我们身边的小事做起。假设你是一个注重“低碳”生活的中学生， 请以“My Lowcarbon Life” 为题写一篇英文演讲稿，简单谈谈“低碳生活”的重要性，以及你所倡导的“低碳生活”方式。内容提示：1每天步行上学； 2.离开教室时，关灯、风扇、电脑等；3.不用水时， 记住关水龙头，而且要循环使用水；4.不使用塑料袋。写作要求：1词数80个左右；文章的开头和结尾已给出，不计入总词数。2.不得透露学校、姓名等任何个人信息。My Lowcarbon Life Its our duty to protect the environment._ Lower carbon, happier life.Lets take action.参考答案 根据提示完成单词1.recycle2.president3.gate4.metal5bottles 用所给单词的适当形式填空X k 1.shopping2.caused3.thrown4.set5broughtB 1 . c o m 单项选择1-5. ABBBA6-10. CBCCC 完形填空1-5CABAD6-10CACBD 书面表达参考范文：My Lowcarbon LifeIts our duty to protect the environment.As we all know, with the global warming and energy consumption, the environment is becoming worse and worse.It is very important for us to start with a lowcarbon lifestyle.But how can we live a low carbon life? Here are my ideas.Firstly, it is a very good idea for us to go to school on foot instead of by car.It is good for the environment and our health as well.Secondly, remember to turn off the lights, fans and computers when we leave the classrooms.Thirdly, it is important for us to turn off the tap when we finish using the water.We can reuse water, too.For example, we can reuse the water to water the flowers or trees.At last, try to use the cloth shopping bags instead of plastic bags when we go shopping.(In addition, it is important for us to use fewer fast food box