仁爱科普版英语九年级上册U2T1SC.ppt

仁爱科普版英语九年级上册U2T1SC.ppt

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Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionC,仁爱科普九年级上,Leadin,WatchandGuess,Whatkindofpollutionisit?

Whatproblemsdotheycause?

Waterpollutioncanmakepeoplesick.Soilpollutioncausesunhealthyfood.Lightpollutionhurtsoureyes.Airpollutioncausesbreathingproblems.,Leadin,Letslistentosomemusic.Thentalkaboutyourfeelings.,Whatdoyouthinkofthemusic?

IfIplayrockmusicveryloudatmidnight,willyouenjoyit?

noisepollution,Noiseisasort/kindofpollution.,Thereareallsorts/kindsofnoises.,Theymakeusuncomfortableandunpleasant.,n.种类；v.把分类,adj.使人不舒服的,adj.令人不快的,Brainstorm:

Whereisnoisefrom?

bus,wind,cat,piano,car,loudmusic,airport,machine,baby,Listenandguess:

Whereisthenoisefrom?

Wecanhearthenoisewhenpeopleprintnewspapersorbooks.,rint印刷,Ioftenhearthenoise,butrecentlyIhearitmoreoften.,ri:

sntli最近地,Canwesleepwellatnight?

Itmakesusuncomfortableandunpleasant.,adj.使人不舒服的,adj.令人不快的,adj.使人舒服的,adj.令人愉快的,温馨提示1：

利用单词的构词法能更好地帮我们猜测词义和记忆单词,Noiseisakindofpollution.,Itcanalsodisturbourdailylife.,Noisecanmakepeoplego_/def/,deaf,=Noisecanmakepeople=Noisecanmakepeople.,losetheirhearing.,havehearingloss.,/dstb/打扰,变聋,Noise_ourhearing.对有害的,isbadfor,isharmfulto,doesharmto,Letsplay,丧失听力+2,高血压+2,包括+1,呼吸问题+2,对.有害+1,不健康的食物+1,眼睛痛+1,把.倒入.+1,废水+1,havehearingloss/loseoneshearing,highbloodpressure,including,beharmfulto/doharmto,变聋+1,godeaf,unhealthyfood,breathingproblems,soreeyes,pour.into,wastewater,Quickresponse,A:

Mom,Howterrible,ourlivingconditionsarebecomingworseandworse.Therearemanykindsofpollutionaroundus.Noiseisalsoa1._/s:

t/ofpollution.Icantsleepwell2._/ri:

sntli/.Icanheartheplanes,andIcanhearworkers3._（印刷）inthefactory.B:

Yes,Noisecan4._（dist:

b）ourlives.Sometimestheymakeus5._（pleasant）and6._（comfortable）.Whatsworse,theycanevendo7._toourhealth.Livingorworkingin8._（noise）conditionsforalongtimemaymakepeoplego9._（def）.Listeningtoloudmusicmaymakeushavehearing10._（lose）.,sort,recently,printing,disturb,unpleasant,uncomfortable,harm,deaf,loss,短文填词,noisy,温馨提示2：

语境能更好地帮我们掌握新单词,NoisePollution,Who,What,How,Ifyouwanttotalkaboutthenoisepollution,whatwillyoumention?

Whomaysuffer（遭受）fromthenoise,Howdoesnoiseaffect（影响）people?

Pre-reading,Matchthemainideawitheachparagraph.,Paragraph1Paragraph2Paragraph3,a）.Howdoesnoiseharmpeople?

b）.Noiseisakindofpollutionanditisharmfultohumanshealth.c）.Peopledoingdifferentworkmaygodeafeasily,温馨提示3：

skimming环节是在略读中了解文章的概要,Pre-reading,Underlinethetopicsentenceofthepassagein1a.,Noiseisalsoakindofpollutionandisharmfultohumanshealth.,Read1aquickly,andcompletethetask.,Whatisthepassageabout?

Itsaboutthenoisepollution.,主题句,对有害,Readingtask,

（1）Howmanykindsofnoisepollutionarementioned（提到）in1a?

noisemadebyprintingnewspaperandbooksnoisefromairportsnoisecausedbyloudpopmusicaloudnoiseinpublicnoiseproducedbycarsandmachines,1.Read1acarefully,andanswerthequestions.,

（2）Whatmakesthenoisepollutioninla?

Therearefivekindsofnoisepollution.,Thekeywordorkeyphrasemayhelpyoufindanswers.,Readingtask,2.Read1acarefullyagain,andfillintheblanks.,nobetterthan,uncomfortable,unpleasant,sick,deaf,godeaf,Howdoesnoiseharmpeopleshealth?

adj.令人不舒服的,adj.令人不愉快的,disturbs,doesgreatharmto,v.打扰,Thekeywordorkeyphrasemayhelpyoufindanswers.,Readingtask,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.,wentdeaf,deafadj.聋的,Languagepoints,manyoftheworkerswhoprintnewspapersandbookslosetheirhearing.,很多印刷报纸和书籍的工人丧失听力。

定语从句,e.g.Look!

Themanisprintingsomething.,loseoneshearing丧失听力,aprinter,hearingn.听力，听觉,rintv.印刷,Languagepoints,2Completethefollowingpassagewiththecorrectformofeachword.,Noiseisakindof_（pollute）.Carsandmachinesproducetoomuchnoise.Itmakespeoplefeel_（comfortable）and_（pleasant）.Italsodoesgreat_（harm）topeoples_（hear）.Noiseisvery_（harm）tohumans_（healthy）.,pollution,uncomfortable,unpleasant,harm,hearing,harmful,health,Hasnoisepollutioncausedyouanyproblems?

Ifyes,shareyourfeelingswithyourclassmates.,Whataboutotherkindsofpollution?

3Chooseonekindofpollutionanddiscussitingroups.Thefollowingquestionsmayhelpyou.1.Whatispollution?

2.Whatmakesthepollution?

3.Whatproblemsdoesitcause?

4.Inwhatwayisitharmfultopeopleslife?

5.Whathasbeendonetosolvetheseproblems?

4Writeashortreportaboutakindofpollutionbasedon2and3.Thetopicsentenceofeachparagraphisgivenbelow.,pollutionispollutionisharmfultopeopleshealthThegovernmenthastriedmanywaystosolvetheproblem,Onepossibleversion:

Airpollutionisbecomingmoreandmoreseriousintoda