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Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionCSpeakoutthenamesofthepollution.airpollutionlightpollutionlitterwaterpollutio

nsoilpollutionnoisepollutionnoisepollutionNoiseisasort/kindofpollution.Thereareallsorts/kindsofnoises.Theymakeusuncomforta

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

ethetopicsentenceofthepassagein1a.Giveapropertitletothispassage.Trytofindoutthetopicsentencetounderstandthecontentofaparagraph.Read1aandcom

pletethefollowingtasks.Noiseisalsoakindofpollutionandisharmfultohuman’shealth.NoisePollutionHowdoesnoiseharmpeople’s

health?a.Peopleoften__________.b.Peopleoftenfeel____________and__________.c.Peoplemaybecome_____or_____.d.Your

point:_____________________________.godeafuncomfortablesickunpleasantdeaf3.Whichphrasehasthesamemeaningas“isharmfulto”?

4.Whichsentenceshowsthatmanyteenagers’hearinginAmericaisnotgood?5.WhyisthehearingofmanyyoungAmericansnotgood?Answerthequestio

ns.“doharmto”.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.Becausetheyalwayslistentoloudpopmusic.

1.produceA.tohurtsomeone2.deafB.atypeorakind3.printC.notbeabletohear4.harmD.togrowormakesomething5.sortE.toputwordsorpicturesontopaperusingamach

ine1bRead1aandmatchthewordswiththeirmeanings.a.Notallpeopleknownoiseisalsoakindofpollution._____________know(s)noiseisakindofpo

llution__________.b.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.InAmerica,manyteenagers’hearingis_____________65-ye

ar-oldpeople’s.Changethefollowingsentencesintotheonesthathavethesamemeanings.Noteveryone/somepeopleaswellasweakasBecausetheyalwayslistentol

oudpopmusic.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__________becauseofthetr

afficaccident.wentdeafdeafadj.聋的…manyoftheworkerswhoprintnewspapersandbookslosetheirhearing.很多印刷报纸和书籍的工人丧失听力。定语从句e.g.Look!Themani

sprintingsomething.loseone’shearing丧失听力aprinterhearingn.听力，听觉printv.印刷2Completethefollowingpassagewiththecorrectformofeachword.Noiseisakindof______

___(pollute).Carsandmachinesproducetoomuchnoise.Itmakespeoplefeel___________(comfortable)and__________(pleasant)

.Italsodoesgreat______(harm)topeople’s_________(hear).Noiseisvery________(harm)tohuman’s_______(healthy).pollutionuncomfortableunpleasantharmhearing

harmfulhealthHasnoisepollutioncausedyouanyproblems?Ifyes,shareyourfeelingswithyourclassmates.Whataboutotherkindsofpollution?3Chooseonekindofpo

llutionanddiscussitingroups.Thefollowingquestionsmayhelpyou.1.Whatis…pollution?2.Whatmakesthe…pollution?3.Whatproblemsdoesitcause?

4.Inwhatwayisitharmfultopeople’slife?5.Whathasbeendonetosolvetheseproblems?…4Writeashortreportaboutakindofpollutionbasedon2and3.Thetopicse

ntenceofeachparagraphisgivenbelow.…pollutionis……pollutionisharmfultopeople’shealth…Thegovernmenthastriedmanywayst

osolvetheproblem…Onepossibleversion:Airpollutionisbecomingmoreandmoreseriousintoday’sworld.Somechemicalfactoriesproduceterriblegasandmaketheairbad.

Busesandcarsalsoproducewastegas.Inourdailylife,burninggas,oilandcoalalsocreatesairpollution.Theairpollutionmaycausealotofproblems.Itis

harmfultopeople’shealth.Itcancausebreathingproblems,soreeyesandevencancer.Itcanalsoharmtheplants,andthefarmerswillgetlessharvest.Luckily,thego

vernmenthastriedmanywaystosolvetheproblem,suchasmakinglawstopreventthefactoryfrompollutingtheair.单项选择()1.—Thelittlegirlw

asborn____,andshecan’thearanything.—Oh,I’msorrytohearthat.A.lazyB.blindC.deafD.lovely()2.—Whathappened?—Thereisagirl_____onth

estreet.Shecouldn’tfindhermother.A.cryB.cryingC.tocryD.cries()3.The______boytriedtoclimbupthetree,buthefailed.A.5-year-oldB.5-years-old

C.5yearoldD.5yearsoldCBA用所给单词的正确形式填空。1.Theyaredoingtheirhomeworkcarefully.You’dbetternot________(disturb)them.2.Itisknowntha

tsmokingdoesgreat_______(harm)tous.3.Theyhadall______(sort)ofjuicetodrinkatthepartylastnight.4.Ourgo

vernmenthassolvedsome_____________(environment)problems.改为同义句。1.Theboyhadhearinglosswhenhewasborn.Theboy___________________whenhewasborn.2

.SomestudentsgotoschoolonSaturdays._________studentsgotoschoolonSaturdays.disturbharmsortsenvironmentallosthi

shearingNotall1.Findoutthetopicsentencetounderstandthecontentofaparagraph.2.Writeapassageaccordingtothetop

icsentences.1.Somewords:deaf,print,hearing,loss,recently,disturb,sort,uncomfortable,unpleasant,sentence,meaning2.Somephrases:god

eaf,loseone’shearing,hearingloss,nobetterthan,doharmto3.Somesentences:However,notallpeopleknownoiseisalsoakindofpollutionisharmfu

ltohuman’shealth.Homework1.Read1a.2.WriteareportaccordingtoPart4.3.FinishSectionCinyourworkbook.4.ListGrammarandFunctionsinthisto

pic.5.PreviewSectionD.