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Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionCSpeakoutthenamesofthepollution.airpollutionlightpollutionlitterwaterpollutio

nsoilpollutionnoisepollutionnoisepollutionNoiseisasort/kindofpollution.Thereareallsorts/kindsofnoises.The

ymakeusuncomfortableandunpleasant.n.种类；v.把……分类adj.使人不舒服的adj.令人不快的noisesmadebyLet’swritedownthethingsthatcanmakenoises.pianobuscatwindUnderlinethet

opicsentenceofthepassagein1a.Giveapropertitletothispassage.Trytofindoutthetopicsentencetounderstandthecontentofaparagraph.Read1aandcompletethefoll

owingtasks.Noiseisalsoakindofpollutionandisharmfultohuman’shealth.NoisePollutionHowdoesnoiseharmpeople’shealth?a.Peopleoften_

_________.b.Peopleoftenfeel____________and__________.c.Peoplemaybecome_____or_____.d.Yourpoint:_____________________________.

godeafuncomfortablesickunpleasantdeaf3.Whichphrasehasthesamemeaningas“isharmfulto”?4.Whichsentenceshowsthatmanyteenagers’

hearinginAmericaisnotgood?5.WhyisthehearingofmanyyoungAmericansnotgood?Answerthequestions.“doharmto”.ManyteenagersinAmericacanhearnobetter

than65-year-oldpeopledo.Becausetheyalwayslistentoloudpopmusic.1.produceA.tohurtsomeone2.deafB.atypeorakind3.printC.notbeabletohear4.

harmD.togrowormakesomething5.sortE.toputwordsorpicturesontopaperusingamachine1bRead1aandmatchthewordswiththeirmeanings.a.Notallpeoplekno

wnoiseisalsoakindofpollution._____________know(s)noiseisakindofpollution__________.b.ManyteenagersinAmericacanhearnobetterthan65-year-o

ldpeopledo.InAmerica,manyteenagers’hearingis_____________65-year-oldpeople’s.Changethefollowingsentencesintotheonesthathavethesamemeanings.Noteve

ryone/somepeopleaswellasweakasBecausetheyalwayslistentoloudpopmusic.Peoplewhoworkandliveinnoisyconditionsoftengodeaf.在嘈杂的环境中工作和生活的人容易变

聋。定语从句e.g.Beethovenwasdeaf.godeaf变聋e.g.He__________becauseofthetrafficaccident.wentdeafdeafadj.聋的…manyoftheworke

rswhoprintnewspapersandbookslosetheirhearing.很多印刷报纸和书籍的工人丧失听力。定语从句e.g.Look!Themanisprintingsomething.loseone’shea

ring丧失听力aprinterhearingn.听力，听觉printv.印刷2Completethefollowingpassagewiththecorrectformofeachword.Noiseisakindof_________(pol

lute).Carsandmachinesproducetoomuchnoise.Itmakespeoplefeel___________(comfortable)and__________(pleasant).Italsodoesgreat______(ha

rm)topeople’s_________(hear).Noiseisvery________(harm)tohuman’s_______(healthy).pollutionuncomfortableunpleasantharm

hearingharmfulhealthHasnoisepollutioncausedyouanyproblems?Ifyes,shareyourfeelingswithyourclassmates.Whataboutotherkindsofpolluti

on?3Chooseonekindofpollutionanddiscussitingroups.Thefollowingquestionsmayhelpyou.1.Whatis…pollution?2.Whatmakesthe…polluti

on?3.Whatproblemsdoesitcause?4.Inwhatwayisitharmfultopeople’slife?5.Whathasbeendonetosolvetheseproblems?…4Writeashortreportaboutakindofpo

llutionbasedon2and3.Thetopicsentenceofeachparagraphisgivenbelow.…pollutionis……pollutionisharmfultopeople’shealth…T

hegovernmenthastriedmanywaystosolvetheproblem…Onepossibleversion:Airpollutionisbecomingmoreandmoreseriousintoday’sworld.Somechemicalfact

oriesproduceterriblegasandmaketheairbad.Busesandcarsalsoproducewastegas.Inourdailylife,burninggas,oilandcoalalsoc

reatesairpollution.Theairpollutionmaycausealotofproblems.Itisharmfultopeople’shealth.Itcancausebreathingproblems,sore

eyesandevencancer.Itcanalsoharmtheplants,andthefarmerswillgetlessharvest.Luckily,thegovernmenthastriedmanywaystoso

lvetheproblem,suchasmakinglawstopreventthefactoryfrompollutingtheair.单项选择()1.—Thelittlegirlwasborn____,andshecan’thearanything.—Oh,I’

msorrytohearthat.A.lazyB.blindC.deafD.lovely()2.—Whathappened?—Thereisagirl_____onthestreet.Shecouldn’tfindhermother.A.cryB.cryingC.tocryD.cr

ies()3.The______boytriedtoclimbupthetree,buthefailed.A.5-year-oldB.5-years-oldC.5yearoldD.5yearsoldCBA用所给单词的正确形式填空。1.Theyaredoingtheirhomew

orkcarefully.You’dbetternot________(disturb)them.2.Itisknownthatsmokingdoesgreat_______(harm)tous.3.Theyhadall__

____(sort)ofjuicetodrinkatthepartylastnight.4.Ourgovernmenthassolvedsome_____________(environment)problems.

改为同义句。1.Theboyhadhearinglosswhenhewasborn.Theboy___________________whenhewasborn.2.SomestudentsgotoschoolonSaturdays._________stude

ntsgotoschoolonSaturdays.disturbharmsortsenvironmentallosthishearingNotall1.Findoutthetopicsentencetoun

derstandthecontentofaparagraph.2.Writeapassageaccordingtothetopicsentences.1.Somewords:deaf,print,hearing,loss,recently,disturb,

sort,uncomfortable,unpleasant,sentence,meaning2.Somephrases:godeaf,loseone’shearing,hearingloss,nobetterthan,doh

armto3.Somesentences:However,notallpeopleknownoiseisalsoakindofpollutionisharmfultohuman’shealth.Homework1.Read1a.2.WriteareportaccordingtoPar

t4.3.FinishSectionCinyourworkbook.4.ListGrammarandFunctionsinthistopic.5.PreviewSectionD.