初中英语仁爱科普版九年级上Unit2Topic1SectionC(共20张课件)

仁爱版英语九年级上册河南省宜阳县高村乡初级中学Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems

.SectionCLearningaims:1.GoonlearningSimplePast*PresentPerfect2.Learnsomereadingskills,suchasfindtopicsentence,fastreading,intensivereadingandsoon.3.Writeapassageaccordingtotheimportantwordsandphrases.Speakoutthenamesofthepollution.airpollutionlightpollutionlitterwaterpollutionsoilpollutionnoisepollution_________studentsgotoschoolonSaturdays.Somechemicalfactoriesproduceterriblegasandmaketheairbad.Theairpollutionmaycausealotofproblems.Inwhatwayisitharmfultopeople’slife?lightpollutionharmfulto”?Topic1Pollutionhascausedtoomanyproblems.“doharmto”.Shecouldn’tfindher_____________know(s)noiseisakindofnoisepollutionNoiseisasort/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’swritedownthethingsthatcanmakenoises.pianobuscatwindHowdoesnoiseharmpeople’shealth?Task2a.Peopleoften__________.b.Peopleoftenfeel____________and__________.c.Peoplemaybecome_____or_____.d.Yourpoint:_____________________________.godeafuncomfortablesickunpleasantdeafintensivereading3.Whichphrasehasthesamemeaningas“isharmfulto”?4.Whichsentenceshowsthatmanyteenagers’hearinginAmericaisnotgood?5.WhyisthehearingofmanyyoungAmericansnotgood?Task3Answerthequestions.“doharmto”.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.Becausetheyalwayslistentoloudpopmusic.1.produceA.tohurtsomeone2.deafB.atypeorakind3.printC.notbeabletohear4.harmD.togrowormakesomething5.sortE.toputwordsorpicturesontopaperusingamachineTask41bRead1aandmatchthewordswiththeirmeanings.a.Notallpeopleknownoiseisalsoakindofpollution.

_____________know(s)noiseisakindofpollution__________.b.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.InAmerica,manyteenagers’hearingis_____________65-year-oldpeople’s.Task5Changethefollowingsentencesintotheonesthathavethesamemeanings.Noteveryone/somepeopleaswellasweakasWHY?Becausetheyalwayslistentoloudpopmusic.Peoplewhoworkandliveinnoisyconditions

oftengodeaf.在嘈杂的环境中工作和生活的人容易变聋。Difficultsentences定语从句e.g.Beethovenwasdeaf.godeaf变聋e.g.He__________becauseofthetrafficaccident.wentdeafdeafadj.聋的…manyoftheworkerswhoprintnewspapersandbookslosetheirhearing.很多印刷报纸和书籍的工人丧失听力。Difficultsentences定语从句e.g.Look!Themanisprintingsomething.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).pollutionuncomfortableunpleasantharmhearingharmfulhealthHasnoisepollutioncausedyouanyproblems?Ifyes,shareyourfeelingswithyourclassmates.Whataboutotherkindsofpollution?3Chooseonekindofpollutionanddiscussitingroups.Thefollowingquestionsmayhelpyou.1.Whatis…pollution?2.Whatmakesthe…pollution?3.Whatproblemsdoesitcause?4.Inwhatwayisitharmfultopeople’slife?5.Whathasbeendonetosolvetheseproblems?…4Writeashortreportaboutakindofpollutionbasedon2and3.Thetopicsentenceofeachparagraphisgivenbelow.…pollutionis……pollutionisharmfultopeople’shealth…Thegovernmenthastriedmanywaystosolvetheproblem…Luckily,thegovernmenthastriedmanywaystosolvetheproblem,suchasmakinglawstopreventthefactoryfrompollutingtheair.Thereareallsorts/kindsofnoises.Noiseisasort/kindofpollution.4Writeashortreportaboutakindofpollutionbasedon2and3.Shecouldn’tfindherPeoplewhoworkandliveinnoisyconditionsNoiseisakindof_________(pollute).SomestudentsgotoschoolonSaturdays.C.andbookslosetheirhearing.FinishSectionCinyourworkbook.1bRead1aandmatchthewordswiththeirmeanings.Topic1Pollutionhascausedtoomanyproblems.airpollutionnotgood?Noiseisasort/kindofpollution.Theyhadall______(sort)ofjuicetodrinkatthepartylastChangethefollowingsentencesintotheonesthathavethesamemeanings.3ChooseonekindofpollutionanddiscussitinTheboy___________________whenhewasborn.toputwordsorLet’swritedownthethingsthatcanmakenoises.Busesandcarsalsoproducewastegas.Whataboutotherkindsofpollution?Onepossibleversion:Airpollutionisbecomingmoreandmoreseriousintoday’sworld.Somechemicalfactoriesproduceterriblegasandmaketheairbad.Busesandcarsalsoproducewastegas.Inourdailylife,burninggas,oilandcoalalsocreatesairpollution.Theairpollutionmaycausealotofproblems.Itisharmfultopeople’shealth.Itcancausebreathingproblems,soreeyesandevencancer.Itcanalsoharmtheplants,andthefarmerswillgetlessharvest.Luckily,thegovernmenthastriedmanywaystosolvetheproblem,suchasmakinglawstopreventthefactoryfrompollutingtheair.Exercises单项选择()1.—Thelittlegirlwasborn____,andshecan’thearanything.—Oh,I’msorrytohearthat.A.lazy B.blindC.deaf D.lovely()2.—Whathappened?—Thereisagirl_____onthestreet.Shecouldn’tfindhermother.A.cry B.cryingC.tocry D.cries()3.The______boytriedtoclimbupthetree,buthefailed.A.5-year-oldB.5-years-oldC.5yearoldD.5yearsoldCBAExercises用所给单词的正确形式填空。1.Theyaredoingtheirhomeworkcarefully.You’d