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Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionCSpeakoutthenamesofthepollution.airpollutionlight

pollutionlitterwaterpollutionsoilpollutionnoisepollutionnoisepollutionNoiseisasort/kindofpollution.Thereareallsorts/kindsofnoises.

Theymakeusuncomfortableandunpleasant.n.种类；v.把……分类adj.使人不舒服的adj.令人不快的noisesmadebyLet’swritedownthethingsthatcanm

akenoises.pianobuscatwindUnderlinethetopicsentenceofthepassagein1a.Giveapropertitletothispassage.Trytofindoutthetopicsentencetounderstand

thecontentofaparagraph.Read1aandcompletethefollowingtasks.Noiseisalsoakindofpollutionandisharmfultohuman’shealth.NoisePollutionHowdoesnoiseharmpeople

’shealth?a.Peopleoften__________.b.Peopleoftenfeel____________and__________.c.Peoplemaybecome_____or_____.d.Yo

urpoint:_____________________________.godeafuncomfortablesickunpleasantdeaf3.Whichphrasehasthesamemeaningas“isharmfulto”?4.Whichsentenceshowsth

atmanyteenagers’hearinginAmericaisnotgood?5.WhyisthehearingofmanyyoungAmericansnotgood?Answerthequestions

.“doharmto”.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.Becausetheyalwayslistentoloudpopmusic.1.prod

uceA.tohurtsomeone2.deafB.atypeorakind3.printC.notbeabletohear4.harmD.togrowormakesomething5.sortE.toputwordsorpicturesontopaperusingamachine1bRead1

aandmatchthewordswiththeirmeanings.a.Notallpeopleknownoiseisalsoakindofpollution._____________know(s)no

iseisakindofpollution__________.b.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.InAmerica,manyteenagers’hearingis_____________65-y

ear-oldpeople’s.Changethefollowingsentencesintotheonesthathavethesamemeanings.Noteveryone/somepeopleaswella

sweakasBecausetheyalwayslistentoloudpopmusic.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…manyoftheworkerswhoprintnewspapersandbookslose

theirhearing.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’shearing丧失听力aprinterhear

ingn.听力，听觉printv.印刷2Completethefollowingpassagewiththecorrectformofeachword.Noiseisakindof_________(pollute).Carsandmachi

nesproducetoomuchnoise.Itmakespeoplefeel___________(comfortable)and__________(pleasant).Italsodoesgreat______(ha

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

ingharmfulhealthHasnoisepollutioncausedyouanyproblems?Ifyes,shareyourfeelingswithyourclassmates.Whataboutotherkindsofpollution?

3Chooseonekindofpollutionanddiscussitingroups.Thefollowingquestionsmayhelpyou.1.Whatis…pollution?2.Whatma

kesthe…pollution?3.Whatproblemsdoesitcause?4.Inwhatwayisitharmfultopeople’slife?5.Whathasbeendonetosolvetheseproblems?…4Writeashortreportabout

akindofpollutionbasedon2and3.Thetopicsentenceofeachparagraphisgivenbelow.…pollutionis……pollutionishar

mfultopeople’shealth…Thegovernmenthastriedmanywaystosolvetheproblem…Onepossibleversion:Airpollutionisbec

omingmoreandmoreseriousintoday’sworld.Somechemicalfactoriesproduceterriblegasandmaketheairbad.Busesandcarsalsoproducewastegas.Inourdailylife,burning

gas,oilandcoalalsocreatesairpollution.Theairpollutionmaycausealotofproblems.Itisharmfultopeople’shea

lth.Itcancausebreathingproblems,soreeyesandevencancer.Itcanalsoharmtheplants,andthefarmerswillgetlessharvest.Luckily,thegovernmenthastriedm

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

rytohearthat.A.lazyB.blindC.deafD.lovely()2.—Whathappened?—Thereisagirl_____onthestreet.Shecouldn’tfindh

ermother.A.cryB.cryingC.tocryD.cries()3.The______boytriedtoclimbupthetree,buthefailed.A.5-year-oldB.5-years-oldC.5yearoldD.5y

earsoldCBA用所给单词的正确形式填空。1.Theyaredoingtheirhomeworkcarefully.You’dbetternot________(disturb)them.2.Itisknownthatsmokingdoesgreat_______(harm)tous.3

.Theyhadall______(sort)ofjuicetodrinkatthepartylastnight.4.Ourgovernmenthassolvedsome_____________(environment)problems.改为同义句。1.Theboyhadhearinglossw

henhewasborn.Theboy___________________whenhewasborn.2.SomestudentsgotoschoolonSaturdays._________studentsgotoschoolonSaturdays.distur

bharmsortsenvironmentallosthishearingNotall1.Findoutthetopicsentencetounderstandthecontentofaparagraph.2.Writeapas

sageaccordingtothetopicsentences.1.Somewords:deaf,print,hearing,loss,recently,disturb,sort,uncomforta

ble,unpleasant,sentence,meaning2.Somephrases:godeaf,loseone’shearing,hearingloss,nobetterthan,doharmto3.Som

esentences:However,notallpeopleknownoiseisalsoakindofpollutionisharmfultohuman’shealth.Homework1.Read1a.2.WriteareportaccordingtoPart4.3.Fi

nishSectionCinyourworkbook.4.ListGrammarandFunctionsinthistopic.5.PreviewSectionD.