初中英语九年级上册科普版《Section C》优秀教案-九年级英语教案

SectionCⅠ.Materialanalysis本课是九年级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，通过填空的方式辨析单词的用法进一步学习噪音污染。3是学习噪音污染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，让学生进一步了解怎样控制噪音污染。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或书面语表达。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,hearing,loss,uncomfortable,unpleasant,sort,environmental,godeaf,doharmto/beharmfulto,loseone’shearing/havehearingloss,nobetterthan,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能根据不同阅读材料，运用不同的阅读策略获取信息。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)InteractionpatternsTeacheractivityStudentactivityRemarks1GettingstudentsreadyforlearningandPre-reading（4mins）ClassactivityT:ShowapictureaboutMathsandlettheSsworkouttheMathsproblemsinanoisyconditionsthenaskthestudents’feelings.T:Hi,everyone.T: Verygood.Inthislesson,let’stalkaboutnoisepollution.S1:WorkouttheMathsproblemsinthenoisyconditions.S2: SuchasloudmusiccarmachinebuspianoTVradioandsoon.通过让学生在吵闹环境中解题，突出噪音污染的重要性。为学习噪音污染进行热身，打开思维。4While-reading(20mins)IndividualworkIndividualworkIndividualworkStep1:LettheSsread1aquicklyT:underlinethetopicsentence…Step2:LeadtheSstoread1aagain,findthewordsin1bandguessthemeaningsofthemaccordingtothecontent.Thenmatchthewordswiththemeanings.Finish1b.T:Nowread1a,findthewordsinthetableandguessthemeaningofthemaccordingtothecontent.Thenmatchthewordswiththerightmeanings.Finish1b.…T:Whatdoes“produce”mean?S1:Itmeans“制造”inChinese.T:What’stheEnglishmeaningofit?S2:Itmeans“growormakesomething”inEnglish.T:What’sthemeaningof“deaf”?S3:Itmeans“聋的”inChinese.T:HowtoexpressitinEnglish?S4:Deafmeans“notbeabletohear”.T:letstudentslearnsomewordsandtheircognates:noisehearloseharmfulComfortablepleasantenvironmentStep3:Readingindetail.Para1T:Task1ReadandmarkT(True)orF(False).Manypeopleknowairpollutionisharmfultotheirhealth.2.Allpeopleknownoiseisakindofpollution.Para2Task1:LettheSslistenparagraph2carefullyandMatchthephraseswiththeirChinesemeaningsSs:godeafloseone’shearingquiteafewhavehearinglossItwasreportedthat…nobetterthanTask3T:Let’s:learnattributiveclauses1.peoplewhoworkandliveinnoisycondionsoftengodeaf.2.manyoftheworkerswhoprintnewspapersandbookslosetheirhearing.Questions:1.Whichsentenceshowsthatmanyteenagers’hearinginAmericaisnotgood?2.WhyisthehearingofmanyyoungAmericansnotgood?Para3T:Right.NowreadPara3tofindouthownoiseharmspeople’shealthandfillintheblanks.…T:OK.Haveyoufinished?Howdoesnoiseharmpeople’shealth?S2:Peopleoftengodeaf.S3:Peopleoftenfeeluncomfortableandunpleasant.S4…S5...T:That’sright.Whichphrasehasthesamemeaningas“isharmfulto”?Canyoufindit?S6:“doesharmto”.T:Hasnoisecausedyouanyproblems?S9:Yes,Ican’tsleepwellsothatIfeelsleepyinclass.S10:Yes,Ican’tdomyhomeworkcorrectly.S3:Noiseisalsoakindofpollutionandisharmfultohuman’shealth.S4:Read1a,findthewordsin1bandguessthemeaningsofthemaccordingtothecontents.Thenmatchthewordswiththerightmeanings.Finish1b.S5:Itmeans“制造”inChinese.S6:Itmeans“growormakesomething”inEnglish.S7:Itmeans“聋的”inChinese.S8:Deafmeans“notbeabletohear”.S9:speak“noisehearloseharmfulComfortablepleasantenvironment”cognatesRead1acarefullyandfinishthetasksin1calone.Thenworkingroupstodiscusstheiranswers.S:Manypeopleknowairpollutionisharmfultotheirhealth.()S:Allpeopleknownoiseisakindofpollution.()Ss:godeafloseone’shearingquiteafewhavehearinglossItwasreportedthat…nobetterthanSs:learnattributiveclausesSs:ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.Ss:Becausetheyalwayslistentoloudpopmusic.Ss:Peopleoftengodeaf.Ss:Peopleoftenfeeluncomfortableandunpleasant.Ss…S5...…S6:doesharmto…S9:Yes,Ican’tsleepwellsothatIfeelsleepyinclass.S10:Yes,Ican’tdomyhomeworkcorrectly.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。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：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。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。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。5Post-reading(5mins)consolidationIndividualworkCompletethefollowingproposal(倡议书).Dearschoolmates:Noiseisakindof_________(pollute).It’sveryharmfultopeople’s_________(health/healthy).Carsandmachinesproducetoomuchnoise.Itmakespeoplefeel____________(comfortable)and__________(pleasant).Makingaloudnoiseinpublicisalsoa_______/sɔːt/ofpollution.Itnotonly_________(打扰)othersbutalsodoesgreat_______(harmful/harm)topeople’s_______(hear).Itcanevenmakepeoplebecome______/def/orhavehearing_____(lose/loss).Asstudents,weshouldhelpsolvethis________(environment)problem.First,weshouldn’tspeak_____aloudvoiceinpublic.Second,weshouldfindasuitabletimeandplacetoenjoymusic.Wecanalsoplantmoretrees.Let’sstartwithourselves!T:Ifwewanttowriteacompositionabout“Howtoreducethenoisepollution”,whichsentenceswillyouuseintheproposalCompletethefollowingproposal(倡议书).Noiseisakindof_________(pollute).It’sveryharmfultopeople’s_________(health/healthy).Carsandmachinesproducetoomuchnoise.Itmakespeoplefeel____________(comfortable)and__________(pleasant).Makingaloudnoiseinpublicisalsoa_______/sɔːt/ofpollution.Itnotonly_________(打扰)othersbutalsodoesgreat_______(harmful/harm)topeople’s_______(hear).Itcanevenmakepeoplebecome______/def/orhavehearing_____(lose/loss).Asstudents,weshouldhelpsolvethis________(environment)problem.First,weshouldn’tspeak_____aloudvoiceinpublic.Second,weshouldfindasuitabletimeandplacetoenjoymusic.Wecanalsoplantmoretrees.Let’sstartwithourselves!(TheSsneedtotakenoteswhiletheteacherisgivingsomeexplanations.)…S1Asstudents,weshouldhelpsolvethis________(environment)problem.First,weshouldn’tspeak_____aloudvoiceinpublic.Second,weshouldfindasuitabletimeandplacetoenjoymusic.Wecanalsoplantmoretrees.6FinishingTask4（10mins）WritingHowtoreducethenoisepollution.S1Writing…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。7Summarizingandassigninghomework(5mins)ClassactivityStep1:LettheSsgothroughwhattheyhavelearnedtoday.T:Now,let’sgooverwhatyouhavelearnedtoday,includingwords,phrasesandsentences.Andeachstudenthastopresentone.S1:godeafS2:hearinglossS3:doharmto…Step2:HMK:Assign4astheHMKGoovertogetherwhattheyhavelearnedtodaya