天天资源网 / 初中英语 / 教学同步 / 仁爱版 / 九年级上册 / Unit 2 Saving the Earth / 1. Pollution has caused too many problems. / 仁爱版初中英语九年级上册教案设计 Unit 2 Topic 1 Section C
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Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionCⅠ.Materialanalysis本课是第二单元第一话题的第三课时，主活动是1a和4。学生通过阅读1a，了解噪音污染是如何产生的，是怎样影响人们健康的。1b则训练学生通过语境，推断词义，选出与该词匹配的英文解释。1c先让学生找出主旨句，再通过找出细节来论证段落的中心思想，以及通过语境判断重点词汇和句子的意思。2继续谈论噪音污染，通过选词填空的方式辨析单词的用法。3让学生模仿1a来讨论其它的污染。为了让学生顺利地完成讨论任务，还给出了可能涉及到的讨论内容，很有指导性。4是在2和3的基础之上进行的写作练习，让学生学习运用中心句来组织文章。通过了解噪音污染，让学生进一步了解各种污染的现状。引导学生关注环境问题，关注各种污染，树立正确的环保意识。Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，初步感知定语从句。了解与噪音污染有关的常识。区别不同词性的单词的用法。2.Skillaims:能读懂有关环境污染的文章。
能看懂和听懂简单的英文解释。能够理解段落中各个句子间的逻辑关系。能用合适的英语对环境污染问题进行口头和书面语表达。3.Emotionalaims:(optional)通过学习，加深对环境问题的认知，树立环保意识。4.Cultureawareness:(optional)了解各种不同种类的污染，关注全球的环境现状。Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:deaf,print,recently,sentence,meaning,hearing,loss,disturb,uncomfortable,unpleasant,sort,environmental,including,ontogodeaf,doharmto/beharmfulto,loseone’shearing/havehearingloss,innoisycondition/toomuchnoise,nobetterthannotonly…butalso…,causesb.todosth.,allsortsofenvironmentalproblems,includingnoiseproblemsSentences:(1)…noiseisalsoakindofpollutionandisharmfultohumans’health.(2)Peoplewhoworkandliveinnoisyconditionsgodeafeasily.(3)…manyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo…Grammar:Simplepast,presentperfect.2.Difficultpoints：能根据所学内容，表达与污染相关的话题。
能区别使用不同词性的单词。能大致理解含有定语从句的句子。能正确理解和使用“nobetterthan”,“doharmto”等短语。Ⅳ.Learningstrategies能通过思维导图，对课文内容进行读前预测。能根据不同阅读材料，运用不同的阅读策略获取信息。善于利用教材插图理解有关污染和环保的对话或文章。能积极地加入小组，合作探究，学会表达自己的观点。能根据写作要求，搜集、准备有关污染和环保的素材。Ⅴ.Teachingaids与污染相关的图片；单词卡片（如harm/harmful;hear/hearing;lose/loss等）；录音机；幻灯片；音频（rockmusic）等。Ⅵ.TeachingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks1GettingstudentsreadyforlearningClassactivityShowsomepicturesaboutpollutionandlettheSsspeakouttheeffectsofdifferentsortsofpollution.Speakouttheeffectsofdifferentsortsofpollution.…通过图片复习不同种类的污染情况，为学习噪音污染进行热身，打开思维。
andrevision（2mins）T:Hi,everyone.Wehaveknownsomekindsofpollution.Canyoulistthem?Ss:Yes.Waterpollution,soilpollution,lightpollution,airpollution,andnoisepollutionandsoon.T:Nowlookatthesepicturescarefully.Whatproblemsdotheycause?S1:Waterpollutioncanmakepeoplesick.S2:Soilpollutioncausesunhealthyfood.S3:Lightpollutionhurtsoureyes.S4:Airpollutioncausesbreathingproblems.…T:Verygood.Inthislesson,let’stalkaboutnoisepollution.Ss:Yes.Suchaswaterpollution,soilpollution,lightpollution,airpollution,noisepollutionandsoon.…S1:Waterpollutioncanmakepeoplesick.S2:Soilpollutioncausesunhealthyfood.S3:Lightpollutionhurtsoureyes.S4:Airpollutioncausesbreathingproblems.…2Lead-inClassPlaysomeloudrockmusicandlettheSsListentosomeloudmusicand
(2mins)activitydiscusstheirfeelings.T:Nowlet’slistentosomemusic.Thentalkaboutyourfeelings....T:Whatdoyouthinkofthemusic?Ss:Idon’tlikeit./Ithinkit’scool.T:IfIplayrockmusicveryloudatmidnight,willyouenjoyit?Ss:No./Terrible.T:Why?Ss:Becauseitmakeslotsofnoise.Wecan’tsleepatall.…discusstheirfeelings.Ss:Idon’tlikeit./Ithinkit’scool.Ss:No./Terrible.…Ss:Becauseitmakeslotsofnoise.Wecan’tsleepatall.…摇滚乐能够吸引学生的兴趣，有很多年轻人喜欢，教师在使用摇滚乐引出噪音时，要注意提前预测学生的反应，如果有学生回答的结果不是你想要的，要继续引导如：T:Whatdoyouthinkofthemusic?Ss:Ithinkit’scool.T:IfIplayrockmusicloudatmidnight,willyouenjoyit?Ss:No./Terrible.T:Why?Ss:Becauseitmakeslotsofnoise.
3Pre-reading(5mins)GroupworkGuidetheSstodiscussthethingsthatcanmakenoiseandwritethemdown.T:Excellent.Itnotonlydisturbsothersbutalsodoesgreatharmtopeople’shearing.Nowdiscusswithyourgroupmembersaboutthethingsthatcanmakenoise.Writethemdowninyourbooks.…T:Whatelsecanmakenoise?S1:Thecarsandbuses.S2:Thepetsathome.S3:Thelittlekids.S4:Machines…Discussthethingsthatcanmakenoiseandwritethemdown.S1:Thecarsandbuses.S2:Thepetsathome.S3:Thelittlekids.S4:Machines…教师要合理利用教材资源，在读前活动中，利用图表训练学生的发散思维，帮助学生拓展视野，进行交流。在日常教学中，教师也可以自己创设这样的图表。4While-reading(10mins)IndividualworkStep1:LettheSsread1aquickly,checkwhatthingscanmakenoisein1a.T:Excellent.Nowread1aquickly,checkRead1aquicklyandcheckwhatthingscanmakenoisein1a.初读第一遍时，让学生带着pre-reading
Individualworkwhatthingscanmakenoisein1a.…S1:Printingmachines.S2:Theairplanes.S3:Loudpopmusic…Step2:LeadtheSstoread1a,findthewordsin1bandguessthemeaningsofthemaccordingtothecontent.Thenmatchthewordswiththemeanings.Finish1b.T:Nowread1a,findthewordsin1bandguessthemeaningofthemaccordingtothecontent.Thenmatchthewordswiththerightmeanings.Finish1b.…T:Whatdoes“produce”mean?S1:Itmeans“制造”inChinese.S1:Printingmachines.S2:Theairplanes.S3:Loudpopmusic…Read1a,findthewordsin1bandguessthemeaningsofthemaccordingtothecontent.Thenmatchthewordswiththerightmeanings.Finish1b.S1:Itmeans“制造”inChinese.的问题浏览文章，整体感知文章大意，为完成while-reading中的任务做准备。1b中呈现的五个单词中，只有produce不是生词，因此，教师在安排活动时，应该先让学生通过语境，猜测词义，再完成match的活动。
GroupworkT:What’stheEnglishmeaningofit?S2:Itmeans“growormakesomething”inEnglish.T:What’sthemeaningof“deaf”?S3:Itmeans“聋的”inChinese.T:HowtoexpressitinEnglish?S4:Deafmeans“notbeabletohear”.…Step3:LettheSsread1acarefullyandfinishthetaskin1c.T:Pleasereadthepassagetofindoutthetopicsentenceofthepassage.…T:OK.Haveyoufoundthetopicsentenceofthepassage?S:Yes,noiseisakindofpollutionandisharmfultohumans’health.S2:Itmeans“growormakesomething”inEnglish.S3:Itmeans“聋的”inChinese.S4:Deafmeans“notbeabletohear”.Read1acarefullyandfinishthetasksin1calone.Thenworkingroupstodiscusstheiranswers.S:Yes,noiseisakindofpollutionandisharmfultohumans’health.任务型阅读在中考中占有一定的分值，因此，在做阅读任务时，要注意以下几点：1.教师应该合理利用课文中的任务，逐步实现学生对文章的理解，并突破难点。2.
T:Right.NowreadPara2and3tofindouthownoiseharmspeople’shealthandfillintheblanks.…T:OK.Haveyoufinished?Howdoesnoiseharmpeople’shealth?S2:Peopleoftengodeaf.S3:Peopleoftenfeeluncomfortableandunpleasant.S4…S5...T:That’sright.Whichsentencehasthesamemeaningas“isharmfulto”?Canyoufindit?S6:“doesharmto”.T:Andwhichsentenceshowsthatmanyyoungteenagers’hearinginAmericaisnotS2:Peopleoftengodeaf.S3:Peopleoftenfeeluncomfortableandunpleasant.S4…S5...…S6:doesharmto…教师把握每个任务的难度和层次，安排任务时，做到从易到难，各个突破。1.根据实际情况，教师可以增设和删减与课文相关的任务，贴合中考要求。
good?S7:“ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo”.T:WhyisthehearingofmanyyoungAmericansnotgood?S8:Becausetheyalwayslistentoloudpopmusic.T:Hasnoisecausedyouanyproblems?S9:Yes,Ican’tsleepwellsothatIfeelsleepyinclass.S10:Yes,Ican’tdomyhomeworkcorrectly.S7:“ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo”.…S8:Becausetheyalwayslistentoloudpopmusic.…S9:Yes,Ican’tsleepwellsothatIfeelsleepyinclass.S10:Yes,Ican’tdomyhomeworkcorrectly.5Post-reading(10mins)IndividualworkStep1:LettheSsread1acarefully,findoutthedifficultpoints.TheteachercollectstheSsquestionsandlistthemoutontheBb.T:Read1aagainandfindoutthedifficultpoints.PleasecollectthemingroupsandRead1acarefully,findoutthedifficultpoints.本环节具体操作说明：1.学生在组内归纳好本组讨论出的问题，并写到小黑板上。2.
listthemonyoursmallBb.…T:OK.NowlookatthepointsofGroupOneontheBb.Ifyouhavethesamequestionspleasedelete.(Teacherusesgesturestoexplain“delete”.)Nowlookatthissentence“Peoplewhoworkandliveinnoisyconditionsgodeafeasily.”It’slong,butyoucanunderstanditbydividingitintotwosentences“Peoplegodeafeasily.”and“Peopleworkandliveinnoisyconditions.”(WritedownthetwosentencesontheBb,andthenaskthemtodealwithotherlongsentenceslikethis.)T:OK,lookatthissentence“Many(TheSsneedtotakenoteswhiletheteacherisgivingsomeexplanations.)教师任意选择一组作为主讲，让其他组组长删除组内与其相同的问题。1.让学生再补充讲解其他组剩下的问题，相同的问题不作重复讲解。
IndividualworkteenagersinAmericacanhearnobetterthan65-year-oldpeopledo”.Itmeans“Manyteenagerscanhearasbadlyas65-year-oldpeopledo.”Canyouunderstandit?…Step2:GuidetheSstocompletethepassagewithcorrectformofeachword.Finish2.T:Nowpleasecompletethepassagewithcorrectformofeachwordin2.…T:Nowchecktheanswerstogether.S1:pollutionS2:uncomfortableS3:unpleasant…GuidetheSstocompletethepassagewithcorrectformofeachword.Finish2.S1:pollutionS2:uncomfortableS3:unpleasant…
6FinishingTask3and4（10mins）GroupworkLettheSsdiscussonekindofpollutionsaccordingtotheinformationtheycollectedbeforeclass.Thenmakeareportlike4.T:OK,youhavecollectedsomeinformationaboutvariouspollutionsbeforeclass.Nowchooseonekindofpollutionanddiscussitingroups.Maybethequestionsin3canhelpyoutoorganizeyourreport.…S1:Whatisairpollution?S2:T:Nowreporttothewholeclass.Whocanhaveatry?S1:Waterpollutionisveryseriousandwecanfinditalmosteverywhere….S2:Lightpollutionhaven’tcaughtpeople’sDiscussonekindofpollutioningroupsaccordingtotheinformationtheycollectedbeforeclass.Thenmakeareportlike4.S1:Whatisairpollution?S2:S1:Waterpollutionisveryseriousandwecanfinditalmosteverywhere….S2:Lightpollutionhaven’tcaught运用课前收集的信息做报告，可以检查学生课后作业的完成情况。
eyeyet……T:Youdidagoodjob!Afterclass,writeyourreportinyourexercisebookandhanditinintime.people’seyeyet…7Summarizingandassigninghomework(5mins)ClassactivityStep1:LettheSsgothroughwhattheyhavelearnedtoday.T:Now,let’sgooverwhatyouhavelearnedtoday,includingwords,phrasesandsentences.Andeachstudenthastopresentone.S1:godeafS2:hearinglossS3:doharmto…Step2:HMK:Assign4astheHMKGoovertogetherwhattheyhavelearnedtodayandeachstudentspeaksoutonewordorphrasetochecktheirachievement.…S1:godeafS2:hearinglossS3:doharmto…Writeapassageaboutonesortofpollution.
Ⅶ.BlackboarddesignPollutionhascausedtoomanyproblems.SectionCKeyphrases:godeafdoharmtobeharmfultoloseone’shearinghavehearinglossinnoisyconditiontoomuchnoisenobetterthanasbadlyasSentences:(1)…noiseisalsoakindofpollutionandisharmfultohumans’health.(2)Peoplewhoworkandliveinnoisyconditionsgodeafeasily.=Peoplegodeafeasily./Peopleworkandliveinnoisyconditions.(3)…manyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo,…=…manyteenagersinAmericacanhearasbadlyas65-year-oldpeopledo,…lose–losspollute–pollutionpleasant–unpleasantharm–harmfulnoise–noisycomfortable–uncomfortablehear–hearinghealth–healthy
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