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1、Unit1PartTwo:ReadPracticeReadThinkII.Answerthefollowingquestionsaccdingtothetext.1.WhatarethemaintypeofairPollutionAn.:Theseincludesmogacidrainthegreenhouseeffect“holes“intheozonelayer.2.WheredoesexhaustcomefromAn.:Theex

2、haustcomesfromburningfuelsinautomobileshomesindustries.3.WhyistheamountofcarbondioxideintheaircontinuingtoincreaseAn.:Carbondioxideisproducedwhenfuelsareburned.Plantsconvertcarbondioxidebacktooxygenbutthereleaseofcarbond

3、ioxidefromhumanactivitiesishigherthanthewldsplantscanprocess.Thesituationismadewsesincemanyoftheearthsfestsarebeingremovedplantlifeisbeingdamagedbyacidrain.4.CanpollutantsbecreatedbyindoactivitiesAn.:Yes.Somepollutantsca

4、nbecreatedbyindoactivitiessuchassmokingcooking.5.WhatisthefirststeptosolveairpollutionAn.:Thefirststeptosolveairpollutionisassessment.III.Putinthemissingwdsaccdingtothetext.Thereareseveralmaintypesofpollutionwellknowneff

5、ectsofpollution.Onetypeofairpollutionisthereleaseofparticlesintotheairfromburningfuelfenergy.Anothertypeofpollutionisthereleaseofharmfulgasesintheatmospherefmingsmogacidrain.Thegreenhouseeffectisalsoreferredtoasglobalwar

6、ming.Inmanycountriesinthewldstepsarebeingtakentostopthedamagetoourenvironmentfromairpollution.Theyhavesetcontrolsonpollutionemissionsftransptationvehiclesindustrywemustmeetthechallengeindertoassurethatahealthyenvironment

7、willexistfourselvesourchildren.ReadCompleteIV.Spellthefollowingwdswiththehelpoftheirmeaningsfirstletters.1.essentiala.absolutelynecessary.Vitallynecessary2.substancen.thatwhichhasmassoccupiesspace3.significanta.imptantof

8、consequencehavingexpressingameaning4.wellbeingn.acontentedstatebeinghappyhealthyprosperous5.exhaustn.gasesejectedfromanengineaswasteproducts6.convertv.tochangethenaturepurposefunctionofsomething7.reactionn.aprocessinwhic

9、honemesubstancesarechangedintoothers8.derivev.toobtaintocomefrom9.consequencen.theoutcomeofaneventespeciallyasrelativetoanindividual10.exposuren.thestateofbeingputintoasituationinwhichsomethingharmfuldangerousmightaffect

10、youV.Completeeachofthefollowingstatementswiththewdsyouhavelearnedinthetext.1.Heexplainedthathisdelaywasduetoanaccident.2.Feveryactionthereisanequaloppositereaction.3.Thisisoneofthemostsignificantstudiesofthesubject.4.Thi

11、sgardenhasthebestcollectionofnativeplants.Inadditionitcontainsnumeroustreesflowersfromoverseas.錢一旦花光了,我們就回不了家了。譯:Oncethemoneyhasgonewecannotgobackhome.一旦出版,這本詞典將會(huì)非常暢銷!譯:Onceprintedthisdictionarywillbeverypopular!4.示例:Onl

12、ythroughtheefftsofscientistsbusinessleaderslegislatsindividualscanwereducetheamountofairpollutiononthepla.Onlyinabigcitywasitpossibletobuyanewwheelchair.孩子們只有在長(zhǎng)大了之后,才能明白父母的辛苦。譯:Onlyafterthechildrengrewupcouldtheyunderstt

13、heirparentshardwking.我們只有在山頂上才能看到整座城市的美景。譯:Onlyatthetopofthemountaincanweseethebeautifulscenesofthewholecity.5.示例:Thischallengemustbemetbyallofusindertoassurethatahealthyenvironmentwillexistfourselvesourchildren.Nothingc

14、anassurepermanenthappiness.他向我保證他已經(jīng)完成了。譯:Heassuredmethathehadfinished.我可以向你保證這消息是可靠的。譯:Icanassureyouofthereliabilityofthenews.IX.TranslatethefollowingsentencesintoEnglish.1我們?yōu)轭櫩吞峁└鞣N優(yōu)質(zhì)商品。譯:Wesupplyourcustomerswithavariety

15、ofgoodswithhighquality.2應(yīng)該采取適當(dāng)?shù)拇胧┍Wo(hù)當(dāng)?shù)氐沫h(huán)境和歷史。譯:Properstepsshouldbetakentoprotectlocalenvironmenthisty.3只有用這種方式,你才能從你的錯(cuò)誤中吸取教訓(xùn)。譯:Onlyinthiswaycanyoulearnfmyourmistakes.4在大城市,空氣污染是個(gè)大問(wèn)題,尤其是在發(fā)展中國(guó)家。譯:Airpollutionisabigproblemin

16、largecitiesespeciallyindevelopingcountries.5此外,為了解決污染問(wèn)題,我們應(yīng)該限制私人轎車的數(shù)量而增加公共汽車的數(shù)量。譯:Inadditionindertosolvethepollutionproblemweshouldlimitthenumberofprivatecarswhileincreasethenumberofpublicbuses.X.Translatethefollowingsen

17、tencesintoChinese.1.Eachoftheseproblemshasseriouseffectsonourhealthwellbeingaswellasonthewholeenvironment.譯:這些問(wèn)題已嚴(yán)重影響到我們的健康和幸福,也影響到整個(gè)環(huán)境。2Itiscausedbychemicalreactionsbetweenpollutantsderivedfromdifferentsourcesprimarilya

18、utomobileexhaustindustrialemissions.譯:它是由來(lái)源不同的污染物之間的化學(xué)反應(yīng)所導(dǎo)致,這些污染物主要是汽車尾氣和工業(yè)廢氣。3Inmanycountriesinthewldstepsarebeingtakentostopthedamagetoourenvironmentfromairpollution.譯:全世界許多國(guó)家正采取措施以制止空氣污染對(duì)環(huán)境的破壞。4Citiesareoftencentersof

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