【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?Wecanseebee

sandbutterfliesdancing.beebutterflyIstheWestHillbeautiful?Theflowersandgrasshavegone!Oh,mygoodness.Whatamess!Look!Thereareseveralchemicalfac

toriespouringwastewaterintothestream.=havedisappeared.Isitbeautifulnow?Whathashappenedthere?Doyouwanttohaveapicn

icintheWestHillnow?1bListento1aandmarkthewordswithP(Past)orN(Now).____beautiful____butterflies____dirty____grass____terrible____factory__

__bees____fresh____clean____wastewaterPPNPNNPPPN1aListen,lookandsay.1cRead1aandcompletethesentencesinthetable.Thenretell1at

oyourpartner.TwoyearsagoNow1.Itwasa_______________.2.Therewere_______________________.3.Theairwas_______________________andyoucouldsee_____

__________________.1.___________________havegone.2.Thewateris________andsmells___________.3.Thereareseveral________________pouring__

_____________intothestream.4._____________haschanged.beautifulplacelotsofflowersandgrassfreshandthewaterwascleanbeesandbutterf

liesdancingTheflowersandgrasssodirtyterriblechemicalfactorieswastewaterEverything倒出；倾泻pour…into…把……倒入……e.g.Pourredwineintotheglass.Grammar:The

reareseveralchemicalfactoriespouringwastewaterintothestream.有几家化工厂正在往小溪里排放废水。Therebe…doingsth………有……在做某事e.g.There

aresomepeoplewaitingforthebusatthebusstop.It'stimeforqustions.3A.Listentothesentencesandnumberthepictures.5321461.P

eople_______________toomanytrees,soIdon’thaveenoughleavestoeat.2.Iliveintreesbutnowmanytrees__________.3.Ilikeleavesandgrass,butno

wthey_________________.4.I__________hungryformonthsbecauseoflessbamboo.5.Humanpollutedthesea,soI_______________.6

.Thewater__________manyyearsago.Butit_______________formetoliveinnow.B.Listenagainandcompletethesentences.havecutdownhavegonehavedi

sappearedhavebeendon’tlivehappilywascleanistoodirty2Workinpairs.Lookatthepicturesandmakeupconversationssimilartotheexamplewithyourp

artner.Example:A:TherewerelotsofflowersandgrasswhenIvisitedthevillagelastyear.B:Butnowtheflowersandgrasshavegone.A:Whathasha

ppenedhere?B:Thevillagershavedestroyedthem.lake/fishfactory/pollutehill/treesfarmers/cutdownvillage/flowersandgrassvillagers/d

estroy4Workingroupsandtalkaboutpollutioninaplaceyouarefamiliarwith.Thefollowingsentencesmayhelpyou.…ago,itwas…Now,…have/hasgone.Whathashappened?Every

thinghaschanged.Oh,mygoodness!单项选择()1.Look!Therearesomeboys________ontheplayground.A.playfootballB.areplaying

footballC.playingfootballD.playsfootball()2.—I’msorryIcan’tgoshoppingwithyou.Iamill.—________A.Whatamess!B.Whatash

ame!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_________(go).3.Everything__________

___(change)inthepastfewyears.4.Pandasdon’thaveenoughbamboos________(eat)nowbecauseofthepollution.5.—Wherehavetheybeen?—They__________(be)

totheGreatWall.They_______(have)agoodtimetherethedaybeforeyesterday.readinghavegonehaschangedtoeathavebeenhad1.Exp

ressexclamation:Whatamess!Whatashame!Oh,mygoodness!2.KnowthedifferencesbetweenSimplePastandPresentperfect.Itwasabeautifulplace

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

.doingsth.pour…into..3.Somesentences:Thereare…doing…Homework1.Read1a.2.WriteapassageaccordingtoPart4.3.FinishSectionAinyourworkbook.4

.PreviewSectionB.Thankyou.