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1/3Unit2SavingtheEarthTopic2SectionA教案教学内容1.Mastersomenewwordsandusefulexpressions：None,rubbish,anybody,steal,inpublic,punish,earth,dieout,sand,cutdown,behavior,prevent,prevent…from…,although,cutoff2.Learntheinfinitivepronounandadverb:3.Learnandsumupthewords,phrasesaboutpollution.4.Learntotalkaboutpollutionanditsharm.5.Developthestudents’senseofenvironmentprotection.6.Learnaboutsomeknowledgeofpollutionandenvironment.教学重点1.Learntheusageofinfinitivepronounandadverb.2.Goonlearningthepresentperfecttense.3.Learnhowtoaskforsuggestionsandgiveadvice.教学难点1.Learntheusageofinfinitivepronounandadverb.2.Learnanddiscusstheharmofpollutiontotheearthdevelopthestudents’awarenessofprotectionenvironment.教学准备课前让学生准备一些有关空气污染的一些图片。2/3教具教学挂图,录音机,简笔画教学过程Step1Review1.Askthestudentstogooverallkindsofpollutionandtheharm.2.Talkaboutsomepollutionaroundus.Step2Presentation1.Theteacheriscoughingheavilyashewalksintotheclassroom.Thenhesays,“Thereistoomuchheavysmoke,Ican’tstandit.Smokingisreallyakindofairpollution.2.Letthestudentslookatsomepicturesofairpollution.3.Teachthenewwords:coal,Step3Look,listenandsay1.Getthestudentslistento1a,andthenanswerthefollowingquestions.(1)WhatisMichaeldoingnow?(2)Whichcountrieshavethemostseriouspollutionintheworld?(3)Doyouthinkeveryoneshouldcareforthewildanimalsandplantmoretrees?Why?(4)Whatshouldwedoinoureverydaylifetoprotecttheenvironmentaroundus?2.Thenletthestudentstofindthedifficultlanguagepoints:①Itsaysthat…它提到……②It’ssaidthat…据说……③noneof3/3everyoneof+n.(pl.)/复数宾格人称代词oneof④everythingpossible⑤hereandthereStep4ConsolidationGetthestudentsread1aagainandfinish1btofurtherunderstandthedialog.Thenhelpstudentstopickoutthesentencesthataskforsuggestionsandgiveadvice.1.Whatshouldwedoasstudents.2.Weshouldn’tleaverubbishhereandthere.3.Everyoneshouldcareforwildanimalsandplantmoretrees.Step5Practice1.Tellthestudentsthedifferencesbetweenanythingandsomething,somebodyandanybody,etc.briefly.2.Letthestudentsfinish2alone,thenchecktheanswers.Step6ListeningTestGetthestudentstolistentothetape,andfillintheblankswiththewordstheyhear.Step7Homework(1)Makeupalittledialogaccordingto1a.(2)Collectmoreinformationaboutpollution.(3)Writeanarticleaboutthechangesbecauseofpollution.