仁爱英语九年级上册Unit_2_Topic_1_Section_A.ppt

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1、Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionATeachingAims重点短语及句型：see…doingsth.Whatamess!Theflowersandgrasshavegone.Whathashappenedhere?Whatashame!Thereareseveralchemicalfactoriespouringwastewaterintothestream.2.语法：一般过去时和现在完成时的区别。Haveyoueverhadap

2、icnic?Kangkang,Jane,MariaandMichaelareplanningapicnicforSunday.TheywillgototheWestHill.Whatcanyouseethere?Wecanseebeesandbutterfliesdancing.beebutterflyIstheWestHillbeautiful?GuessaplacewithbeautifulflowersBrainstormmanyhillsgreentreesWhatashame/mess!Theflowersandgra

3、sshavegone!Theflowersandgrasshavegone!Oh,mygoodness.Whatamess!Look!Thereareseveralchemicalfactoriespouringwastewaterintothestream.=havedisappeared.Isitbeautifulnow?Whathashappenedthere?P271amp31bListento1aandmarkthewordswithP(Past)orN(Now).____beautiful____butterflie

4、s____dirty____grass____terrible____factory____bees____fresh____clean____wastewaterPPNPNNPPPN1aListen,lookandsay.1cRead1aandcompletethesentencesinthetable.Thenretell1atoyourpartner.TwoyearsagoNow1.Itwasa_______________.2.Therewere_______________________.3.Theairwas___

5、____________________andyoucouldsee_______________________.1.___________________havegone.2.Thewateris________andsmells___________.3.Thereareseveral________________pouring_______________intothestream.4._____________haschanged.beautifulplacelotsofflowersandgrassfreshand

6、thewaterwascleanbeesandbutterfliesdancingTheflowersandgrasssodirtyterriblechemicalfactorieswastewaterEverythingTheflowersandgrasshavegone!Oh,mygoodness.Whatamess!Look!Thereareseveralchemicalfactoriespouringwastewaterintothestream.=havedisappeared.Isitbeautifulnow?Wha

7、thashappenedthere?P271amp3wastewaterwastepaperWastewater.浪费水。Don’twastepaper.不要浪费纸。wasteadj.v.Thereareseveralchemicalfactoriespouringwastewaterintothestream.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.Therearesomepeoplewaitingforthebusatthebusstop.倒出；倾泻pour…into…把

8、……倒入……e.g.Pourredwineintotheglass.Languagepoints:plantodosth=makeaplantodosth计划做某事1.several=afew+复数名词2.wasteadj.废弃的,无用的wastewater/p