【文档说明】《Unit 2 Topic 1 Pollution has causes too many problems》PPT课件6-九年级上册英语仁爱（科普版）.ppt，共(21)页，8.312 MB，由小喜鸽上传

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Topic1Pollutionhascausedtoomanyproblems.SectionAHaveyoueverhadapicnic?DoyouwanttohaveapicnicintheWestHill?Whatcanyouseethere?Wecanseebeesandbut

terfliesdancing.beebutterflyIstheWestHillbeautiful?Theflowersandgrasshavegone!Oh,mygoodness.Whatamess!Look!Thereares

everalchemicalfactoriespouringwastewaterintothestream.=havedisappeared.Isitbeautifulnow?Whathashappenedthere?DoyouwanttohaveapicnicintheW

estHillnow?1bListento1aandmarkthewordswithP(Past)orN(Now).____beautiful____butterflies____dirty____grass____terrible____fac

tory____bees____fresh____clean____wastewaterPPNPNNPPPN1aListen,lookandsay.1cRead1aandcompletethesentencesinthetab

le.Thenretell1atoyourpartner.TwoyearsagoNow1.Itwasa_______________.2.Therewere_______________________.3.Theairwas_______________________andyo

ucouldsee_______________________.1.___________________havegone.2.Thewateris________andsmells___________.3.Therearese

veral________________pouring_______________intothestream.4._____________haschanged.beautifulplacelotsofflowersandgrassfreshandt

hewaterwascleanbeesandbutterfliesdancingTheflowersandgrasssodirtyterriblechemicalfactorieswastewaterEverything倒出；倾泻pour…into…把……倒入……e.g.P

ourredwineintotheglass.Grammar:Thereareseveralchemicalfactoriespouringwastewaterintothestream.有几家化工厂正在往小溪里排放废水。T

herebe…doingsth………有……在做某事e.g.Therearesomepeoplewaitingforthebusatthebusstop.It'stimeforqustions.3A.Listentothesente

ncesandnumberthepictures.5321461.People_______________toomanytrees,soIdon’thaveenoughleavestoeat.2.Iliveintr

eesbutnowmanytrees__________.3.Ilikeleavesandgrass,butnowthey_________________.4.I__________hungryformonthsbecause

oflessbamboo.5.Humanpollutedthesea,soI_______________.6.Thewater__________manyyearsago.Butit_______________formetoliveinnow.B.Listenagainand

completethesentences.havecutdownhavegonehavedisappearedhavebeendon’tlivehappilywascleanistoodirty2Workinpairs.Lookatthepicturesand

makeupconversationssimilartotheexamplewithyourpartner.Example:A:TherewerelotsofflowersandgrasswhenIvisitedthevillagelastyear.B:Butnow

theflowersandgrasshavegone.A:Whathashappenedhere?B:Thevillagershavedestroyedthem.lake/fishfactory/pollutehill/tree

sfarmers/cutdownvillage/flowersandgrassvillagers/destroy4Workingroupsandtalkaboutpollutioninaplaceyouarefamiliarwith.Thefollowingsentencesmayhel

pyou.…ago,itwas…Now,…have/hasgone.Whathashappened?Everythinghaschanged.Oh,mygoodness!单项选择()1.Look!Therearesomeboys________ontheplayground.A.playfootb

allB.areplayingfootballC.playingfootballD.playsfootball()2.—I’msorryIcan’tgoshoppingwithyou.Iamill.—_____

___A.Whatamess!B.Whatashame!C.Whatapity!D.BandC()3.—Don’t________water.Wemustsaveeverydropofit.—Sorry,Iwon’tdoitagain.A.wasteB.throwC.playD.

leaveCDA用所给动词的适当形式填空。1.WhenIenteredtheroom,IsawMaria________(read)aChinesebook.2.Whatashame!Theflowersandtreesinthepark_________(g

o).3.Everything_____________(change)inthepastfewyears.4.Pandasdon’thaveenoughbamboos________(eat)nowbecauseofthepollution.5.—Wherehavetheybeen?

—They__________(be)totheGreatWall.They_______(have)agoodtimetherethedaybeforeyesterday.readinghavegonehaschangedtoeathavebeenhad1.Expressexclama

tion:Whatamess!Whatashame!Oh,mygoodness!2.KnowthedifferencesbetweenSimplePastandPresentperfect.Itwasa

beautifulplace.Everythinghaschanged.1.Somewords:bee,butterfly,mess,shame,several,pour,waste,destroy,pollute,goodness2.Somephrases:seesb.doingst

h.pour…into..3.Somesentences:Thereare…doing…Homework1.Read1a.2.WriteapassageaccordingtoPart4.3.FinishSectionAinyo

urworkbook.4.PreviewSectionB.Thankyou.