2014921U2T1SA

Unit2Topic1,Pollutionhascausedtoomanyproblems.,课件制作人：西峡县城区一中李秀娟,九年级新授课,SectionA,StepOne:设疑自探,1.Lookatthefollowingpicturesandwhatdoyouthinkofthelivingplaceifyoulivehere?,3A.Listentothesentencesandnumberthepictures.,5,3,2,1,4,6,1.People_toomanytrees,soIdonthaveenoughleavestoeat.2.Iliveintreesbutnowmanytrees_.3.Ilikeleavesandgrass,butnowthey_.4.I_hungryformonthsbecauseoflessbamboo.5.Humanpollutedthesea,soI_.6.Thewater_manyyearsago.Butit_formetoliveinnow.,B.Listenagainandcompletethesentences.,havecutdown,havegone,havedisappeared,havebeen,dontlivehappily,wasclean,istoodirty,1bListento1aandmarkthewordswithP(Past)orN(Now)._beautiful_butterflies_dirty_grass_terrible_factory_bees_fresh_clean_wastewater,P,P,N,P,N,N,P,P,P,N,4.Gothroughthistopic.Raisesomequestionsaboutunderstandingthetopicandfindoutwhatwelllearnfromthetopic.,要求：1.高效学习，自己探究。2.用红笔标出重点词组、短语、句子、疑难点、语言点，为解疑合探做好准备。,Pleaseread1aandraisesomequestionsunderstandingthedialog:,1.WhereisKangkanggoingtohaveapicnic?2.Whatcanyouseeinthepicture?3.Whatvhashappenedthere?4.Doesshewanttogotherenow?,HeisgoingtotheWestHill.,Wecanseebeesandbutterfliesdancing.,No,hedoesnt.,Thereareseveralchemicalfactoriespouringwastewaterintothestream.,StepTwo解疑合探,要求:1.小组内讨论，互讲互学。以小组长为中心，解决学习目标。2.每个同学都要自由大胆地说出自己的观点和疑惑，取得组内一致意见。组长控制好讨论节奏。3.合探仍有疑问，记录下来，为质疑做好准备。,Read1abyyourselvesandfinish1b.,1cRead1aandcompletethesentencesinthetable.Thenretell1atoyourpartner.,beautifulplace,lotsofflowersandgrass,freshandthewaterwasclean,beesandbutterfliesdancing,Theflowersandgrass,sodirty,terrible,chemicalfactories,wastewater,Everything,Readafterthetape,thenpracticethedialogeinpairs.,2Workinpairs.Lookatthepicturesandmakeupconversationssimilartotheexamplewithyourpartner.,Example:A:TherewerelotsofflowersandgrasswhenIvisitedthevillagelastyear.B:Butnowtheflowersandgrasshavegone.A:Whathashappenedhere?B:Thevillagershavedestroyedthem.,lake/fishfactory/pollute,hill/treesfarmers/cutdown,village/flowersandgrassvillagers/destroy,倒出；倾泻pourinto把倒入e.g.Pourredwineintotheglass.,StepThree:质疑再探,Doyoustillhaveanyotherquestions?,wastewaterwastepaperWastewater.浪费水。Dontwastepaper.不要浪费纸。,waste,adj.v.,Exercises,单项选择()1.Look!Therearesomeboys_ontheplayground.A.playfootballB.areplayingfootballC.playingfootballD.playsfootball()2.ImsorryIcantgoshoppingwithyou.Iamill._A.Whatamess!B.Whatashame!C.Whatapity!D.BandC()3.Dont_water.Wemustsaveeverydropofit.Sorry,Iwontdoitagain.A.wasteB.throwC.playD.leave,C,D,A,Exercises,用所给动词的适当形式填空。1.WhenIenteredtheroom,IsawMaria_(read)aChinesebook.2.Whatashame!Theflowersandtreesinthepark_(go).3.Everything_(change)inthepastfewyears.4.Pandasdonthaveenoughbamboos_(eat)nowbecauseofthepollution.5.Wherehavetheybeen?They_(be)totheGreatWall.They_(have)agoodtimetherethedaybeforeyesterday.,reading,havegone,haschanged,toeat,havebeen,had,Thereareseveralchemicalfactoriespouringwastewaterintothestream.有几家化工厂正在往小溪里排放废水。,Therebedoingsth有在做某事,e.g.Therearesomepeoplewaitingforthebusatthebusstop.,StepFour:运用拓展,4Workingroupsandtalkaboutpollutioninaplaceyouarefamiliarwith.Thefollowingsentencesmayhelpyou.ago,itwasNow,have/hasgone.Whathashappened?Everythinghaschanged.Oh,mygoodness!,Writtenwork:,Writeacomposition.,Writtenwork:,Thefollowingkeywordsmayhelpyou:,Inthepast:,1.air2.treesandflowers3.river4.animals,Nowadays:,1.river2.fish3.treesandflowers4.enrvironment,everyone,makeacontributiont,protecttheworld,becomebetterandbetter,Sumup,Welearn:,1.Expressexclamation:Whatamess!Whatashame!Oh,mygoodness!2.KnowthedifferencesbetweenSimplePastandPresentperfect.Itwasabeautifulplace.Everythinghaschanged.,Wecan:,1.Somewords:bee,butterfly,mess,shame,several,pour,waste,destroy,pollute,goodness2.Somephrases:se