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U2T1SA1Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionAⅠ.Materialanalysis本课是九年级第二单元第一话

题的第一课时。主活动是1a。1a通过对比“WestHill”今昔的环境变化，引出本话题的污染问题，巩固现在完成时与一般过去时的用法及区别。1b要求学生能够听懂一般过去时态和现在完成时态，也就是要分清1b所提及的词语所伴

随的时间。2通过反复听和练习1a的对话，描述污染前后的情况，进一步训练学生口头表达能力和对一般过去时和现在完成时的运用能力。任务3的口语表达，培养学生的说的技能，检测对本课的掌握情况。通过本课的学习，培养学生关

注环境问题的意识。Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，巩固一般过去时和现在完成时的用法和区别。能够用一般过去时和现在完成时描述过去和现在的变化。正确使用therebesth./sb.doingsth.来表达“有某人/物正在做某

事”。加深对presentperfecttense的认识。2.Skillaims:能听懂描述环境变化的对话，区别一般过去时和现在完成时的用法。能理解和运用一般过去时和现在完成时来进行听、说、读活动。3.Emotionalaims:(optional)让学生了解环境污染的严重

性，并树立环保意识。4.Cultureawareness:(optional)通过课文的学习，让学生了解环境的变化，关注全球的环境问题。Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandph

rases:bee,butterfly,mess,shame,several,pollute,waste,villager,destroy,cutdown,goodness,pour,seesb./sth.doingst

h.,cutdown,mygoodness九年级上册教学案例设计2Sentences:Whatashame!/Whatamess!Theflowersandgrasshavegone!Whathashappenedhere?Therebesth./sb.doingsth.Th

ereareseveralfactoriespouringwastewaterintothestream.Everythinghaschanged.Difficultpoints：正确使用therebesth./sb.doingsth.来表达“有某人/物正在做

某事”。能正确地使用一般过去时和现在完成时并完成相应的练习。Ⅳ.Learningstrategies通过导学案，培养学生形成课前预习新单词和句型的习惯。通过听1a，引导学生模仿1a的语音/语调和练习已有对话。通过能力提高，培养学生整合对话信息，将对话转换为语篇的能力。Ⅴ.Teaching

aids视频（MichealJacksonEarthSong）图片（关于环境变化和环境保护的图片资料），幻灯片等。Ⅵ.TeachingproceduresStep1：GettingstudentsreadyforleaningShowanMV(Earthsong

)tostudents(studentsareveryeasilyattractedbysongs/picturesandvedios.Bythisway,Icanmakethemforcusonmycalssandleadintoday’stopi

c:Pollutionhascausedtoomanyproblems.)Teachingactivities:T:hiboysandgirls!Doyoulikethissong?S:yes…..T:Wouldyoutellmewhothesi

ngeris??S:MichealJackson.T:welldone!What‟sthissongabout?S:......pollutionearthprotection…T:Good!sotodaywear

egoingtolearntopic1:Pollutionhascausedtoomanyproblems.(askstudentstoreadthetitlealound)Step2:pre-listeningUseppttor

eviewthewordslearnedbefore.askstudentstoreadaloud.U2T1SA3T:Firstofall.Let‟sreviewthewordswehavelearnedbefore.pleasereadaftermeandthreetim

eseachone.S:………..Step3:while-listening1.(ShowtheoldpictureoftheWestHilltotheSs)T:Lookatthisbeautifulpicture.Kangkangandhisfriendshadapicnictheretwo

yearsago.Canyouguesswhereitis?Ss:Yes,it‟stheWestHill.T:Whatcanyouseeinthepicture?S1:Someflowers,acleanriv

erandabigtree…T:Right.TheWestHillisabeautifulplace.Canyouseethebeesandbutterfliesdancingthere?(Pointtothebeesandbutterflies,as

kstudentstopayattentiontosee…..doing)T:Sodoyouwanttogothereforapicnic?Ss:Yes…T:I‟dliketo.Butnowithascha

ngedalot.Lookatthispicture.Doyoulikeit?Ss:NoT:Now.Let‟slistentoIAtoknowmoreaboutthechanges.T:Read1awithyourgroupmembersandactitout.…………….St

ep4:post-listening4:Askstudentstounderlinethelanguagepointsandexplainthem.5:letstudentstodosomeexerciseafterexplaination.2:

LettheSslistento1aonceanddo1balone.T:ListentothetapecarefullyandtrytomarkthewordswithPorN.…T:NowpleasecheckanswersS1:“Beaut

iful”isinthepast.S2:“Butterflies”areinthepast.S3:“Dirty”isnow.…3:LettheSslistento1aagainandpayattentiontothepro

nunciation,intonationandfollowthevedio.Thenpractice1aingroupsandroleplayit.九年级上册教学案例设计4Step5:upliftingStep6:summaryandemotionalaltitudeT:let„sdoasu

mmarytodayT:theenvironmentaroundusisbecomingworseandworse.Wehavedonemanybadthingstotheearth.(showstudentsthepicturesofearth-distroying.)wehavecutdo

wnsomanytrees,wehavepollutedalotofriversandstreams.wemaketheairdirty.Sointhefuturewemayhavelesscleanwatertod

rinkandwecann‟tbreathfreshair,what‟smorethegreenhouseeffect…………Sowemustsavetheearth---ouronlyhome.T:Lookatthe

picture.Trytodescribeit.Youmaybeginlikethis.Twoyears,itplace.There.Theairandthewater,andyouButnoweverything.Theflow

ersandgrass.Thewaterandsmells.Whathere?Look,thereareseveralchemicalfactoriesthestream.Oh,!U2T1SA5BlackboarddesignTeachingreflection(课后

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----Topic1Pollutionhascausedtoomanyproblems.SectionALanguagepoints:Whatashame!/Whatamess!Youcouldseebeesandbutterfliesdancing.The

reareseveralfactoriespouringwastewaterintothestream.Theflowersandgrasshavegone!Whathashappenedhere?Everythinghaschang

ed.九年级上册教学案例设计6---------------------------------------------------------------------------------------

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