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Unit 2 Topic.單項(xiàng)選擇。( )1.How long _ you _ here?For about two years so far.A.have; studiedB.did; liveC.do; stayD.were; swimming( )2.We have known each other _ ten years ago.A.forB.everC.aboutD.since( )3.There is _ pollution in the world. We must stop it.A.much tooB.too muchC.many tooD.too many( )4.Is the flower beautiful?Yes, at _ its _ the one you bought for me.A.last; as bad asB.least; no better thanC.last; not betterD.least; no worse than( )5.I cant stand _ for you so long.A.to waitB.waitingC.waitsD.waited( )6.The boss made child laborers _ 12 hours every day.A.workingB.worksC.workD.to work( )7._ the environment is important for human beings.A.Take care ofB.Taking care ofC.Took care ofD.Take the care of( )8.Have you finished your homework?Not _. There are still some exercises to be done.A.alreadyB.yetC.justD.ever( )9.It smells terrible. What has happened here?Look, there is much waste gas _ from the chemical factory.A.pourB.pouringC.pouredD.pours( )10.When I was walking in the street yesterday, I saw a UFO _ over my head.A.flyingB.fliesC.flewD.to fly.情景交際。填入適當(dāng)?shù)木渥?,補(bǔ)全對(duì)話。A: Hello, May!B: Hi, Peter! I havent seen you for weeks. 11._A: I have been to Hawaii (夏威夷).B: How was your journey?A: Great! Hawaii is a beautiful place.B: 12. _A: I went there by air.B: 13. _A: Yes, I had lived there for 4 years before I came here.B: 14. _A: I traveled with my friends.B: 15. _A: I have been away for about eleven days.B: What a wonderful journey!A: Yes, it was!.完形填空。I cant remember when I started collecting litter. But it was when I got tired of 16 litter nearby that I realized no one else was going to pick it up.I live near a forest in Ohio, America. I can walk there 17 three minutes. I used to love going there to play with my dog. But one day there was 18 much litter there that I became very unhappy. I decided to clean up the forest, and I wanted to 19 happy when I went again. I made my first trip to clean the forest that afternoon. I took a big black rubbish bag with me. Ten minutes 20 I started to pick up litter, my bag was full! There were cans, bottles, broken glass and newspapers in it.From then on, I 21 to the forest four times a year to pick up litter. I often stay there for three hours. It makes me feel 22 to do something for the environment. After each trip, I look through all the litter that Ive collected. If 23 of it is recyclable(可回收利用的), Ill keep it. I cant understand why people drop litter. But I will keep on picking it up 24 they stop dropping it. I know I am only doing a small bit 25 the earth, but I still think it is important.( )16.A.seeingB.throwingC.droppingD.cleaning( )17.A.afterB.forC.withD.in( )18.A.suchB.veryC.soD.too( )19.A.makeB.feelC.lookD.find( )20.A.afterB.laterC.beforeD.of( )21.A.had goneB.have goneC.goD.will go( )22.A.tiredB.sadC.interestingD.great( )23.A.manyB.fewC.anyD.much( )24.A.untilB.afterC.as soon asD.when( )25.A.helpedB.to helpC.helpD.helping.閱讀理解。(A) The earth is about 4,600 million years old. Modern man has lived on the earth for only 35,000 years, but during that time, we have changed our planet in many ways. Many of the things that we have done are good, but more are not good for the earth.Water pollutionA lot of people, birds and fish die each day because of water pollution. Factories have polluted the land and the water. As a result, many rivers and lakes are now dead.Air pollutionIn big cities, factories, as well as cars, trucks and buses are the main cause of air pollution. Many people in cities now have serious health problems. For example, Mexico city used to be a beautiful sunny capital, but today it is always covered by thick brown clouds.Soil pollutionIn order to have a good harvest, most of the farmers use chemicals too much in their fields. Thats bad for the soil. But this kind of pollution is difficult to stop.Hope for the futureThese problems are very serious for our future, so all of us should do something to improve our environment. If we can stop pollution, our planet will become more and more beautiful and our health will be better. Lets be greener people!( )26._ have made the earth change a lot.A.Human beingsB.AnimalsC.PlantsD.People in other planets( )27.There are _ kinds of pollution in this passage.A.twoB.threeC.fourD.five( )28.Pollution isnt a big problem now, is it?A.Yes, it is.B.No, it isnt.C.Yes, there is.D.No, there isnt.( )29.Which sentence is NOT right according to the passage?A.Most of things that we have done are good for our planet.B.We must stop the factories from pouring waste water into the rivers and lakes.C.Because of water pollution, many rivers and lakes are now dead.D.Water pollution is very serious nowadays.( )30.Which sentence is RIGHT?A.Though Mexico city is always covered by thick brown clouds, its still a beautiful sunny capital.B.Air pollution can make people sick.C.Now fewer farmers use chemicals in the fields.D.Factories, cars, trucks and buses are the main cause of soil pollution.(B) Stop and listen! What do you hear? You may hear many different sounds. Some of those sounds may be noise. Noise is a loud or unwanted sound.Noise can be caused by many kinds of machines, such as motorcycles, jet planes (噴氣式飛機(jī)), farm tractors, and power motors. And, to some people, rock music is also a noise.What happens to people who live near noisy machines or use them over a period of time? Doctors have found that these people have trouble in sleeping. And most importantly, constant (連續(xù)的) loud noise can cause loss of hearing.Scientists use a unit of measure called a decibel(分貝) to measure the loudness of a sound. The sound of a quiet room, for example, measures 35 decibels. Talking measures between 40 and 65 decibels. Sounds from traffic and from some rock bands measure over 120 decibels. Noise at such high level causes the greatest hearing loss.根據(jù)短文內(nèi)容,判斷正(T)誤(F)。( )31.According to the passage, noise is all sounds that you can hear.( )32.A “decibel” is a machine that makes loud noise.( )33.Loud noise can help people sleep better.( )34.Not all people think that rock music is a noise.( )35.We can infer (推斷) from the passage that noise is a serious problem.(C) The students were having their chemistry class. Miss Li was telling the children what water was like. After that, she asked her students, “What is water?” No one answered for a few minutes. Miss Li asked again, “Why dont you answer my question? Didnt I tell you what water is like?”Just then, a boy put up his hand and said, “Miss Li, you told us that water has no color and no smell. But where to find such kind of water? The water in the river behind my house is always black and it has a bad smell.” Most of the children agreed with him.“Im sorry, children,” said the teacher, “our water is getting dirtier and dirtier. Thats a serious problem.”根據(jù)短文內(nèi)容,回答問(wèn)題。36.Why didnt the children answer the teachers question at first?_37.Please use a sentence to describe what water is._38.Why does the water in the river have color and smell?_39.Do you think the boy who answered the teachers question is stupid?_40.What did other students think of the boy?_.詞匯。1.Look, there is a bird _ (sing) in the tree.2.The bad air makes my chest hurt and its difficult for me _(breath).3.They are doing their homework carefully. Youd better not _(disturb) them.4.Litter _ (influence) the look of our city.5.It is known that smoking does great _(harm) to us.6.The chemical factories _ (生產(chǎn)) terrible gas.7.Each year people pour _ (廢物) into rivers, lakes and so on.8.There are _ (幾個(gè)) students reading books over there.9.Do you know he has _ (參軍) for five years?10.Loud noises can cause high _ (血) pressure as well.loud, live, pollution, easy, pollute, wasteLife today is much better. However, there are new problems. One of the biggest ones is pollution. Water 11 has made rivers dirty. It kills fish and 12 our drinking water. Noise pollution makes us speak 13 and become angry more 14 . Air pollution is the most serious kind of pollution. Its bad for all 15 things in the world.書面表達(dá)。人類只有一個(gè)地球。根據(jù)提示,以“Saving the Earth”為題,寫一篇80詞左右的短文。提示: 1.如何保護(hù)環(huán)境已成為世界最大難題之一;2.各種污染破壞環(huán)境,損害健康;3.不要亂倒垃圾,亂排廢水;4.我們應(yīng)該保護(hù)環(huán)境,使我們的家園更加美麗。Saving the EarthHow to protect the environment has become one of the biggest problems in the world. There are many kinds of pollutions around us, such as air pollution, noise pollution, water pollution and light pollution. We can find that rubbish not only pollutes our environment but also harms peoples health. So we should not throw rubbish everywhere. Some factories pour waste water into the rivers and the lakes. The behavior of these factories will pollute the water, and sometimes it can kill the fish living in them.We have only one earth. We must keep our environment clean and tidy. We must try our best to protect her, and make our home more beautiful.答案. 1.A 根據(jù)答語(yǔ)判斷,本題考查帶有“for+一段時(shí)間”的完成時(shí)態(tài)。2.D 現(xiàn)在完成時(shí)表示從過(guò)去某一時(shí)刻延續(xù)到現(xiàn)在的一段時(shí)間,往往用for,since短語(yǔ)來(lái)表示。for+一段時(shí)間,since+過(guò)去時(shí)間點(diǎn)或從句,所以根據(jù)ten years ago選擇D項(xiàng)。3.B much too 后接形容詞、副詞; too many 后接可數(shù)名詞復(fù)數(shù); too much 后接不可數(shù)名詞, pollution 是一個(gè)不可數(shù)名詞,故選B。4.D 本題考查at least和no+adj.(比較級(jí))+than,表達(dá)的含義是“至少它不比你買給我的(花)差。”5.B stand作及物動(dòng)詞,意為“忍耐,容忍”后接名詞、代詞或動(dòng)名詞作賓語(yǔ)。6.C 本題考查make sb. do sth. 這一結(jié)構(gòu)。7.B 動(dòng)詞(組)作主語(yǔ),應(yīng)用其動(dòng)名詞-ing形式。8.B 本題主要考查yet在現(xiàn)在完成時(shí)態(tài)中的運(yùn)用,yet用于否定句和疑問(wèn)句中,already用于肯定句中。9.B There be+sth./sb. doing sth. 為固定句型,意為“有某人或某物正在”。10.A see+賓語(yǔ)+doing,表示“看到某動(dòng)作正在進(jìn)行”。.11.Where have you been?12.How did you go there?13.Have you ever been there before?14.Whom did you travel with?15.How long have you been away?.16.A see看,throw扔,drop丟,clean弄干凈,根據(jù)題意此處選A。17.D 本句的題意: 我能在三分鐘內(nèi)走到那兒。in three minutes表示3分鐘內(nèi),故選D。18.C 本題考查so that 句型,表示“如此以至于”。本句題意: 但是有一天,這兒有那么多的垃圾,讓我很不高興。故選C。19.B 本題考查系動(dòng)詞+形容詞。根據(jù)題意可知: feel happy感到高興。20.A 本句分析句子結(jié)構(gòu),有一個(gè)介詞短語(yǔ)after I started to pick up litter修飾ten minutes來(lái)作時(shí)間的定語(yǔ),指“撿了十分鐘的垃圾后”。所以選A。21.C 由four times a year一年四次,表示頻度,可看出此處時(shí)態(tài)用一般現(xiàn)在時(shí)。22.D 從全文來(lái)看,作者為了保護(hù)環(huán)境而去撿垃圾,這件事不是讓“我”感到累、難過(guò)、有趣,而是一種責(zé)任和成就感。所以此處選擇D項(xiàng)。23.C any在此處表示“任一”,本句含義是“如果垃圾中有任何能夠回收再利用的,我都把它留下來(lái)”。A、B兩項(xiàng)均修飾可數(shù)名詞,而litter是不可數(shù)名詞,D項(xiàng)不符合題意。
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