Unit2Topic1SectionA

重庆市北碚区夏坝中学瞿兴俐,Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionA,A:Wherehaveyoubeen/traveled?,B:Ihavebeen/traveledto.,Haveyoueverhadapicnic?,Kangkang,Jane,MariaandMichaelareplanningapicnicforSunday.TheywillgototheWestHill.,Whatcanyouseethere?,Wecanseebeesandbutterfliesdancing.,bee,butterfly,IstheWestHillbeautiful?,Guess,aplacewith,beautifulflowers,Brainstorm,manyhills,greentrees,Whatashame/mess!Theflowersandgrasshavegone!,Theflowersandgrasshavegone!,Oh,mygoodness.Whatamess!,Look!Thereareseveralchemicalfactoriespouringwastewaterintothestream.,=havedisappeared.,Isitbeautifulnow?Whathashappenedthere?,P271amp3,wastewaterwastepaperWastewater.浪费水。Dontwastepaper.不要浪费纸。,waste,adj.v.,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.,倒出；倾泻pourinto把倒入e.g.Pourredwineintotheglass.,1bListento1aandmarkthewordswithP(Past)orN(Now)._beautiful_butterflies_dirty_grass_terrible_factory_bees_fresh_clean_wastewater,P,P,N,P,N,N,P,P,P,N,1aListen,lookandsay.,1cRead1aandcompletethesentencesinthetable.Thenretell1atoyourpartner.,beautifulplace,lotsofflowersandgrass,freshandthewaterwasclean,beesandbutterfliesdancing,Theflowersandgrass,sodirty,terrible,chemicalfactories,wastewater,Everything,2Workinpairs.Lookatthepicturesandmakeupconversationssimilartotheexamplewithyourpartner.,Example:A:TherewerelotsofflowersandgrasswhenIvisitedthevillagelastyear.B:Butnowtheflowersandgrasshavegone.A:Whathashappenedhere?B:Thevillagershavedestroyedthem.,lake/fishfactory/pollute,hill/treesfarmers/cutdown,village/flowersandgrassvillagers/destroy,4Workingroupsandtalkaboutpollutioninaplaceyouarefamiliarwith.Thefollowingsentencesmayhelpyou.ago,itwasNow,have/hasgone.Whathashappened?Everythinghaschanged.Oh,mygoodness!,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,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,summary,Welearn:,1.Expressexclamation:Whatamess!Whatashame!Oh,mygoodness!2.KnowthedifferencesbetweenSimplePastandPresentperfect.Itwasabeautifulplace.Everythinghaschanged.,Wecan:,1.Somewords:bee,butterfly,mess,shame,several,pour,waste,destroy,pollute,goodness2.Somephrase