九年级英语上册 Unit 2 Topic 1 Pollution has causes too many problems Section C课件 （新版）仁爱版.ppt

,Topic1Pollutioncausestoomanyproblems.,SectionC,Unit2savingtheEarth,Doyoulikeit?Why?Doyouthinknoiseisakindofpollution?,(录音a)(录音b)(录音c)(录音d)(录音e)(录音f)(录音g),Canyoutellmeanykindsofnoisepollution?Yes,thesoundof,Discussthesephrases,checkwhichispollutionandtalkaboutwhatkindofpollutionitis.,Producingelectricitybywind,talkingloudlyafterclass,laughingloudlyatthecinema,smokinginpublic,Playingloudrockmusicatmidnight,Burningwood,gas,oilandcoal,Listento1a,answerthefollowingquestions.,Doesthewriterthinknoiseisakindofpollution?,Yes,hedoes.,Listento1a,answerthefollowingquestions.,Isitharmfultohumanbeingshealth?Howdoyouknow?,Yes,itis.Becausepeoplewhoworkandliveinnoisyconditionsmaygodeaf.,beharmfulto=doharmto,harmv.&n.危害，伤害，损害,dogreatharmto对有着极大的损害,E.g.Itnotonlydisturbsothersbutalsodoesgreatharmtohearing.,TranslatethefollowingsentencesintoChinese.,Quiteafewpeoplelivingnearairportsalsohavehearingloss.,许多生活在机场附近的人们也丧失了听力。,quiteafew=manyquitealittle=muchveryfew几乎没有几个verylittle几乎没有一点,TranslatethefollowingsentencesintoChinese.,However,notallpeopleknowthatnoiseisalsoakindofpollution,然而，不是所有的人都知道噪音也是一种污染,notall表示不完全否定，意为“不是所有的都”。同样的结构还有notboth,notevery,allnot,bothnot,everynot,TranslatethefollowingsentencesintoChinese.,RecentlyitwasreportedthatmanyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo,近来有报道说美国许多青少年的听力像65岁的老人那么差，,itisreportedthat据报道nobetterthan同一样（坏）,Accordingto1a,tellwhichoneisfalse.,IntheU.S.A.,manyteenagerscanhearnobetterthan65-year-oldpeopledo.Notallpeopleworkinnoisyconditions.Makingtoomuchnoiseintheclassroomduringthebreakisakindofpollution.Noisecantmakepeoplesick.Nowadays,fewcountriesaretryingtosolveallsortsofpollutionproblems.,Accordingto1a,tellwhichoneisfalse.,IntheU.S.A,manyteenagerscanhearnobetterthan65-year-oldpeopledo.Notallpeopleworkinnoisyconditions.Makingtoomuchnoiseintheclassroomduringthebreakisakindofpollution.Noisecantmakepeoplesick.Nowadays,fewcountriesaretryingtosolveallsortsofpollutionproblems,1CPairwork,Discussanddecidewhichparagraphstheybelongto.,Peopleworkinginasawmillforalongtimemaygodeaf.,Chinaistryingtosolvenoisepollutionproblems.,Therearemanykindsofpollutionintheworld.,Buildinghousesatnightdisturbsthepeoplenearby.,(2),(3),(1),(2),Reading1aagainandthenfinishthefollowingtasks.,Giveapropertitletothispassage.Changethefollowingsentencesintoonesthathavethesamemeanings.Notallpeopleknowthatnoiseisalsoakindofpollution.know(s)thatnoiseisakindofpollution,.b.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.InAmerica,manyteenagershearingis65-year-oldpeoples.,NoisePollution,Noteveryone,aswell,asweakas,3.Whichofthefollowingcandoharmtopeopleshearing?Check()them.,()a.printingnewspapersandbooks()b.livingnearairports()c.throwingrubbisharound()d.makingalotofnoiseinpublic()e.livingveryclosetoabusystreet()f.listeningtoloudmusic,Retellthepassageusingthefollowingwords.,airpollutionnoiseakindofpollutiongodeafhavehearinglossnobetterthantrytosolve,用所给词的适当形式填空。,Itwas(report)thatLiuXiangwouldtakepartinthenextOlympics.Look!Thereisalittleboy(play)soccerontheplayground.Noisepollutioncancausepeople(become)sickordeaf.4.Itsapitythatsuchabeautifullake(go).5.Peoplewhoworkandlivein(noise)conditionsmaygodeaf.,reported,playing,tobecome,havegone,noisy,Usefulexpressions,pollutionisharmfultopeopleshealth.Quiteafewpeoplelivingnearairportsalsohavehearingloss.canhearnobetterthan65-year-oldpeopledo.itcanevencausethemtobecomesickordeaf.,Homework,2.WrittenworkWritealettertothenewspaperaboutp