仁爱英语九年级上册Unit-2-Topic-1-SectionA(共20张PPT)

Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionAReviewBee:n蜜蜂butterfly:n蝴蝶chemical：adj化学的Mess：n混乱factory：n工厂Shame：n羞愧Several：adj几个若干（few)Pollute:v污染–pollutionWaste：v浪费adj浪费的Villager：n村民Pour…into：v倒入…..WelcometoTheWestHillTwoyearsagoTherewerelotsofflowersandgrass.Wecouldseebeesandbutterfliesdancing.beebutterflyTheWestHillwasbeautifulTheairwasfreshandthewaterwasclean.Haveyoueverhadapicnic?Kangkang,Jane,MariaandMichaelareplanningapicnicforSunday.TheywillgototheWestHill.Theflowersandgrasshavegone!Oh,Whatamess!Look!Thereareseveralchemicalfactoriespouringwastewaterintothestream.=havedisappeared.1bListento1aandmarkthewordswithP(Past)orN(Now).____beautiful____butterflies____dirty____grass____terrible____factory____bees____fresh____clean____wastewaterPPNPNNPPPN1cCompletethesentencesinthetable.beautifulplacelotsofflowersandgrassfreshandthewaterwascleanbeesandbutterfliesdancingTheflowersandgrasssodirtyterriblechemicalfactorieswastewaterEverythingLet’stalk!Lookatthepictures.Trytodescribethem.Twoyears,itplace.There.Theairandthewater,andyouButnoweverything.Theflowersandgrass.Thewaterandsmells.Whathere?Look,thereareseveralchemicalfactoriesthestream.Oh,!agowasabeautifulwerelotsofflowersandgrasswasfreshwascleancouldseebeesandbutterfliesdancinghaschangedhavegoneissodirtypouringwastewaterintoWhatashameterriblehashappenedWhatashameLanguagepointsWhatashame!/whatamess!Youcanseebeesandbutterfliesdancing.Thereareseveralfactoriespouringwastewaterintothestream.感叹句seesbdoing看见某人正在做…Pour….into把…倒入多可惜啊！一团糟！seesbdo看见某人做了…Therebe…doingsth………有……在做某事e.g._________somepeople_____(wait)forthebusatthebusstop.TherearewaitingTherearesomechemicalfactoriespouringwastewaterintothestreamTherebe…doingsth………有……在做某事ThereisaboyswimmingintheoceanTherearesomebutterfliesandbeesdancingPresentperfect（现在完成时）•花和草都消失了！•这儿发生了什么?•一切都变了。结构：Have/has+done（动词过去分词）常常与always，yet,already,never,ever,just,before搭配E.g.Ihavefoundmypenalready.Ihaven’tfoundmypenyet.IhavebeentotheGreatWall.Hehasdonehishomework.Hashedonehishomework?•.Theflowersandgrasshavegone!Whathashappenedhere?Everythinghaschanged.单项选择()1.Look!Therearesomeboys___ontheplayground.A.playfootballB.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_________(go).3.Everything________(change)inthepastfewyears.4.Pandasdon’thaveenoughbamboos______(eat)nowbecauseofthepollution.5.—Wherehavetheybeen?—They______(be)totheGreatWall.They_______(have)agoodtimetherethedaybeforeyesterday.readinghavegonehaschangedtoeathavebeenhad1.Expressexclamation:Whatamess!Whatashame!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…Whathavewedone?NoCleanwatertodrinkDirtyairGreenhouseeffectMelting融化iceHomelessanimalsSavetheearth,ouronlyhomeThankyou