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Unit2Topic1SectionC教学设计Ⅰ.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.Knowledg

eaims：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.Thekeypointsanddifficultp

oints1.Keypoints:Wordsandphrases:deaf,print,recently,sentence,meaning,hearing,loss,disturb,uncomfortable,

unpleasant,sort,environmental,including,ontogodeaf,doharmto/beharmfulto,loseone’shearing/havehearingloss,innoisycondition/toomuchnoise,nobetterthann

otonly…butalso…,causesb.todosth.,allsortsofenvironmentalproblems,includingnoiseproblemsSentences:(1)…noiseisalsoakindofpollutionandisha

rmfultohumans’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.Teac

hingaids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)InteractionpatternsT

eacheractivityStudentactivityRemarks1Gettingstudentsreadyforlearningandrevision（2mins）ClassactivityShowsomepicturesaboutp

ollutionandlettheSsspeakouttheeffectsofdifferentsortsofpollution.T:Hi,everyone.Wehaveknownsomekindsofpollution.Canyouli

stthem?Ss:Yes.Waterpollution,soilpollution,lightpollution,airpollution,andnoisepollutionandsoon.T:Nowlookatthesepicturescarefully.Whatproblem

sdotheycause?S1:Waterpollutioncanmakepeoplesick.S2:Soilpollutioncausesunhealthyfood.Speakouttheeffectsofdifferentsortsofpoll

ution.…Ss:Yes.Suchaswaterpollution,soilpollution,lightpollution,airpollution,noisepollutionandsoon.…S1:Waterpollutioncanm

akepeoplesick.S2:Soilpollutioncausesunhealthyfood.S3:Lightpollutionhurtsoureyes.S4:Airpollutioncausesbreathingproblems.…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。S3:Lightpollutionhurtsoureyes.S4:Airpollutioncausesbreathingproblems.…T:Verygood.Inthisle

sson,let’stalkaboutnoisepollution.2Lead-in(2mins)ClassactivityPlaysomeloudrockmusicandlettheSsdiscusstheirfeelings.T:Nowlet’slistentosomemusic.The

ntalkaboutyourfeelings....T:Whatdoyouthinkofthemusic?Ss:Idon’tlikeit./Ithinkit’scool.T:IfIplayrockmusicveryloudatmidnight,willyouenjoyit?Ss:No

./Terrible.Listentosomeloudmusicanddiscusstheirfeelings.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:Ith

inkit’scool.T:IfIplayrockmusicloudatmidnight,willyouenjoyit?Ss:No./Terrible.T:Why?Ss:BecauseitmakesT:Why?Ss:Becauseitm

akeslotsofnoise.Wecan’tsleepatall.…lotsofnoise.3Pre-reading(5mins)GroupworkGuidetheSstodiscussthethingsthatcanmakenoiseandwritethemdown.T:Excellen

t.Itnotonlydisturbsothersbutalsodoesgreatharmtopeople’shearing.Nowdiscusswithyourgroupmembersaboutthethingsthat

canmakenoise.Writethemdowninyourbooks.…T:Whatelsecanmakenoise?S1:Thecarsandbuses.S2:ThepetsatDiscussthethingsthatcanmakenoiseandwrit

ethemdown.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。home.S3:Thelittlekids.S4:Machines…4While-reading(10mins)IndividualworkIndividualworkStep1:LettheSsr

ead1aquickly,checkwhatthingscanmakenoisein1a.T:Excellent.Nowread1aquickly,checkwhatthingscanmakenoisein1a.…S1:Printingmachines.S2:Thea

irplanes.S3:Loudpopmusic…Step2:LeadtheSstoread1a,findthewordsin1bandguessthemeaningsofthemaccordingto

thecontent.ThenmatchthewordswiththeRead1aquicklyandcheckwhatthingscanmakenoisein1a.S1:Printingmachines.S2:Theairplanes.S3

:Loudpopmusic…Read1a,findthewordsin1bandguessthemeaningsofthemaccordingtothecontent.Thenmatchthewordswiththerightmeaning

s.Finish1b.初读第一遍时，让学生带着pre-reading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。Groupworkmeanings.Finish1b.T:Nowread1a,findthewordsin1bandguessthemeaningofthemaccordingtothecontent.Thenmatch

thewordswiththerightmeanings.Finish1b.…T:Whatdoes“produce”mean?S1:Itmeans“制造”inChinese.T:What’stheEngli

shmeaningofit?S2:Itmeans“growormakesomething”inEnglish.T:What’sthemeaningof“deaf”?S3:Itmeans“聋的”inChinese.S1:Itmeans“制造”inChinese.S2:Itmeans“growo

rmakesomething”inEnglish.S3:Itmeans“聋的”inChinese.S4:Deafmeans“notbeabletohear”.Read1acarefullyandfinishthetasksin1calone.The

nworkingroupstodiscusstheiranswers.S:Yes,noiseisakindofpollutionandisharmfultohumans’health.S2:Peopleoftengodeaf.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.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。3.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。T:Ho

wtoexpressitinEnglish?S4:Deafmeans“notbeabletohear”.…Step3:LettheSsread1acarefullyandfinishthetaskin1

c.T:Pleasereadthepassagetofindoutthetopicsentenceofthepassage.…T:OK.Haveyoufoundthetopicsentenceofthepassage?S:Yes,noiseisaki

ndofpollutionandisharmfultohumans’health.T:Right.NowreadPara2and3tofindouthownoiseharmspeople’shealthan

dfillintheblanks.S3:Peopleoftenfeeluncomfortableandunpleasant.S4…S5...…S6:doesharmto…S7:“ManyteenagersinAmericacanhearnobetterthan65-year-oldp

eopledo”.…S8:Becausetheyalwayslistentoloudpopmusic.…S9:Yes,Ican’tsleepwellsothatIfeelsleepyinclass.S10:Yes,Ican’tdomyhomeworkcorrectly.…T:OK.H

aveyoufinished?Howdoesnoiseharmpeople’shealth?S2:Peopleoftengodeaf.S3:Peopleoftenfeeluncomfortableandunpleasant.S4…S5...T:That’sright.Whichsentenc

ehasthesamemeaningas“isharmfulto”?Canyoufindit?S6:“doesharmto”.T:Andwhichsentenceshowsthatmanyyoungteenage

rs’hearinginAmericaisnotgood?S7:“ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo”.T:WhyisthehearingofmanyyoungAmericansn

otgood?S8:Becausetheyalwayslistentoloudpopmusic.T:Hasnoisecausedyouanyproblems?S9:Yes,Ican’tsleepwellsothatIfee

lsleepyinclass.S10:Yes,Ican’tdomyhomeworkcorrectly.5Post-reading(10mins)IndividualworkStep1:LettheSsread1acarefully,findoutthedifficultpoints.Th

eteachercollectstheSsquestionsandlistthemoutontheBb.T:Read1aagainandfindoutthedifficultpoints.Read1acarefully,findoutthedifficultp

oints.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.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。3.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IndividualworkPleasecollectthemingroupsandlistthemonyoursmallBb.…T:OK.NowlookatthepointsofGroupOneontheBb.Ifyouhavethesame

questionspleasedelete.(Teacherusesgesturestoexplain“delete”.)Nowlookatthissentence“Peoplewhoworkandliveinn

oisyconditionsgodeafeasily.”It’slong,butyoucanunderstanditbydividingitintotwosentences“Peoplegodeafeasily.”and“Peopleworkandliveinnoisyconditions.”

(Writedownthe(TheSsneedtotakenoteswhiletheteacherisgivingsomeexplanations.)GuidetheSstocompletethepassagewit

hcorrectformofeachword.Finish2.S1:pollutionS2:uncomfortable解。twosentencesontheBb,andthenaskthemtodea

lwithotherlongsentenceslikethis.)T:OK,lookatthissentence“ManyteenagersinAmericacanhearnobetterthan65-year-oldpe

opledo”.Itmeans“Manyteenagerscanhearasbadlyas65-year-oldpeopledo.”Canyouunderstandit?…Step2:GuidetheSstocompletethepassagewithcorrectformofeac

hword.Finish2.T:Nowpleasecompletethepassagewithcorrectformofeachwordin2.S3:unpleasant……T:Nowchecktheanswerstoge

ther.S1:pollutionS2:uncomfortableS3:unpleasant…6FinishingTask3and4（10mins）GroupworkLettheSsdiscussonekindofpollutionsaccordingtotheinformationthey

collectedbeforeclass.Thenmakeareportlike4.T:OK,youhavecollectedsomeinformationaboutvariouspollutionsbeforeclass.Nowchoose

onekindofpollutionanddiscussitingroups.Maybethequestionsin3canhelpyoutoorganizeyourreport.…Discussonekindofpollutioningro

upsaccordingtotheinformationtheycollectedbeforeclass.Thenmakeareportlike4.S1:Whatisairpollution?S2:S1:Waterpollutionisveryseriousandweca

nfinditalmosteverywhere….S2:Lightpollution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。S1:Whatisairpollution?S2:T:Nowreportto

thewholeclass.Whocanhaveatry?S1:Waterpollutionisveryseriousandwecanfinditalmosteverywhere….S2:Lightpollutionhaven’tcaugh

tpeople’seyeyet……T:Youdidagoodjob!Afterclass,writeyourreportinyourexercisebookandhanditinintime.haven’tcaughtpeople’seyeyet…7Summarizingan

dassigninghomework(5mins)ClassactivityStep1:LettheSsgothroughwhattheyhavelearnedtoday.T:Now,let’sgooverwhatyouhav

eGoovertogetherwhattheyhavelearnedtodayandeachstudentspeaksoutonewordorphrasetochecktheirlearnedtoday,includingwords,phrasesandsentences.An

deachstudenthastopresentone.S1:godeafS2:hearinglossS3:doharmto…Step2:HMK:Assign4astheHMKachievement.…S1:godeafS2:hearinglossS3:doharm

to…Writeapassageaboutonesortofpollution.Ⅶ.BlackboarddesignPollutionhascausedtoomanyproblems.SectionCKeyphrases:godeafdoharm

tobeharmfultoloseone’shearinghavehearinglossinnoisyconditiontoomuchnoisenobetterthanasbadlyasSentences:(1)…noiseisalsoakindofpollutionandi

sharmfultohumans’health.(2)Peoplewhoworkandliveinnoisyconditionsgodeafeasily.=Peoplegodeafeasily./Peopleworkandliveinnoisyconditions.(3)…manyt

eenagersinAmericacanhearnobetterthan65-year-oldpeopledo,…=…manyteenagersinAmericacanhearasbadlyas65-year-oldpeopledo,…lose–losspollute–pollutionple

asant–unpleasantharm–harmfulnoise–noisycomfortable–uncomfortablehear–hearinghealth–healthy