九年级英语湘教版上Unit2Topic2对话教学课件

Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious3rdPeriodTalkingAsstudents,whatshould/shouldn’twedo?

savewaterAsstudents,whatshould/shouldn’twedo?

spitAsstudents,whatshould/shouldn’twedo?

careforwildanimalsAsstudents,whatshould/shouldn’twedo?不要踩踏草地和摘花

walkonthegrass&pickflowersAsstudents,whatshould/shouldn’twedo?不要乱扔垃圾leaverubbishhereandthere

goodbehavior

rudebehaviorRead1aandanswerthefollowingquestions.Whataretheytalkingabout?2.WhyisairpollutionaseriousprobleminChina?3.Whatshouldstudentsdoandnotdotoprotecttheenvironment?4.Canyougivesomeadvicetothegovernment?Theyaretalkingaboutairpollutionandenvionmentprotection.

BecauseChinahasbecometheworld'slargestproduceranduserofcoal.Weshouldn’tleaverubbishhereandthere.Don’tspitanywhereinpublic.Don’twalkongrassorpickflowers.Everyoneshouldcareforwildanimalsandplantmoretrees.

A.Listentothetapeandcirclethephrasesyouhear.becomeweaker destroytheenvironmentdisappearrapidly onthisearthenoughbambootoeatB.Listenagainandfillintheblanks.1.Nowsomekindsofanimalsarebecoming____________________.2.Someanimalsare_____________ofdyingoutcompletely.3.Inthepast,pandaslivedaquietlifeandhad

____________food.4.Humanshavecometo_______theimportanceofprotectinganimals.5.Weshould_______________toprotectthem.doourbestindangerplentyofrealizefewerandfewerUsefulexpressionsItsaysthatChinahasbecometheworld’slargestproduceranduserofcoal.Asaresult…Butthegovernmentisdoingsomethingusefultoprotecttheenvironment.Everyoneshouldcareforwildanimalsandplantmoretrees.Weshoulddoeverythingwecantoprotecttheenvironment.Whatcantreesdoforus?OurlifeOurenvironmentWhatwillourworldbelikewithouttrees?Whatwillourworldbelikewithouttrees?

sandstormdesert

humanbeingsWhatshouldwedo?Weshouldstop

fromcuttingdowntrees.Weshouldpreventpeoplefromcuttingdowntrees.Listento1a,answerthequestions.Whataretheytalkingabout?Whatcausesthiskindofbadweather?Theyaretalkingaboutsandstorms.Peoplehavecutdowntoomanytrees.Alotofrichlandhaschangedintodesert.Read1a,answerthequestion.Whataretrees’functions?Treescanstopthewindfromblowingtheearthaway.Alotofwatercanbesavedbyforests.Treescanalsopreventthewaterfromwashingtheearthaway.A.B.C.Lookatthepicture,describethemusingthewordsgiven.washtheearthawayLookatthepicture,describethemusingthewordsgiven.

manytreesLookatthepicture,describethemusingthewordsgiven.

changeintodesertLookatthepicture,describethemusingthewordsgiven.

forestsgoneLookatthepicture,describethemusingthewordsgiven.

sandstormscomeintobeingLookatthepictures,describethemusingthewordsgiven.cutdowntreesNumberthepicturesandthentalkaboutthemingroups.()()()()()()Doyouknowhowsandstormscomeintobeing?

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Treesareveryusefultous.Theycanhelpusp_____thewindfromblowingtheearthawayandstopthes_______frommovingtowardstherichland.Treesalsos________waterfromrunningaway.Theycankeepagreatd______ofwater.Sowemuststoppeoplefromc______downtoomanytrees.Otherwisealotofrichlandwillchangeintod_______,l_______onlysand.Wemustgetridof(摆脱)thiskindofbadb______.根据句意及首字母提示完成句子。

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eaving

ehaviorTreesareimportanttous,whatcanwedotoprotectthem?Weshouldpreventpeoplefrom…ProtectingandSavingWaterWaterisveryimportanttohumanbeings,butnoteverybodyknowshowtoprotectandsaveit.Herearesomeways:1.Passlawsagainstwaterpollution.2.Stopfactoriespouringwastewaterintorivers.3.Remembertoturnthetapoffwhenyouleave.4.Collectandreusewastewater....GroupworkReadanddiscussdifferentwaysofprotectingandsavingwater.UsefulexpressionsThewindisblowingstronglywithlotsofsand.Peoplehavecutdowntoomanytrees.Alotofrichlandhaschangedintodesert.Andalotofwatercanbesavedbyforests.Theycanalsopreve