最新版湘教九年级英语 Units 12Unit 2精品教案U2T1SC.docx
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最新版湘教九年级英语Units12Unit2精品教案U2T1SC
SectionC
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.Teachingaims
1.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.Thekeypointsanddifficultpoints
1.Keypoints:
Wordsandphrases:
deaf,print,recently,sentence,meaning,hearing,loss,disturb,uncomfortable,unpleasant,sort,environmental,including,onto
godeaf,doharmto/beharmfulto,loseone’shearing/havehearingloss,innoisycondition/toomuchnoise,nobetterthan
notonly…butalso…,causesb.todosth.,allsortsofenvironmentalproblems,includingnoiseproblems
Sentences:
（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.Teachingprocedures
Stage
（timeperiod）
Interaction
patterns
Teacheractivity
Studentactivity
Remarks
1
Gettingstudentsreadyforlearningandrevision
（2mins）
Classactivity
ShowsomepicturesaboutpollutionandlettheSsspeakouttheeffectsofdifferentsortsofpollution.
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.
Speakouttheeffectsofdifferentsortsofpollution.
…
Ss:
Yes.Suchaswaterpollution,soilpollution,lightpollution,airpollution,noisepollutionandsoon.
…
S1:
Waterpollutioncanmakepeoplesick.
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。
2
Lead-in
（2mins）
Classactivity
PlaysomeloudrockmusicandlettheSsdiscusstheirfeelings.
T:
Nowlet’slistentosomemusic.Thentalkaboutyourfeelings.
...
T:
Whatdoyouthinkofthemusic?
Ss:
Idon’tlikeit./Ithinkit’scool.
T:
IfIplayrockmusicveryloudatmidnight,willyouenjoyit?
Ss:
No./Terrible.
T:
Why?
Ss:
Becauseitmakeslotsofnoise.Wecan’tsleepatall.
…
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:
Ithinkit’scool.
T:
IfIplayrockmusicloudatmidnight,willyouenjoyit?
Ss:
No./Terrible.
T:
Why?
Ss:
Becauseitmakeslotsofnoise.
3
Pre-reading
（5mins）
Groupwork
GuidetheSstodiscussthethingsthatcanmakenoiseandwritethemdown.
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。
4
While-reading
（10mins）
Individualwork
Individualwork
Groupwork
Step1:
LettheSsread1aquickly,checkwhatthingscanmakenoisein1a.
T:
Excellent.Nowread1aquickly,checkwhatthingscanmakenoisein1a.
…
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.
T:
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.
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’hearinginAmericaisnotgood?
S7:
“ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo”.
T:
WhyisthehearingofmanyyoungAmericansnotgood?
S8:
Becausetheyalwayslistentoloudpopmusic.
T:
Hasnoisecausedyouanyproblems?
S9:
Yes,Ican’tsleepwellsothatIfeelsleepyinclass.
S10:
Yes,Ican’tdomyhomeworkcorrectly.
Read1aquicklyandcheckwhatthingscanmakenoisein1a.
S1:
Printingmachines.
S2:
Theairplanes.
S3:
Loudpopmusic
…
Read1a,findthewordsin1bandguessthemeaningsofthemaccordingtothecontent.Thenmatchthewordswiththerightmeanings.Finish1b.
S1:
Itmeans“制造”inChinese.
S2:
Itmeans“growormakesomething”inEnglish.
S3:
Itmeans“聋的”inChinese.
S4:
Deafmeans“notbeabletohear”.
Read1acarefullyandfinishthetasksin1calone.Thenworkingroupstodiscusstheiranswers.
S:
Yes,noiseisakindofpollutionandisharmfultohumans’health.
S2:
Peopleoftengodeaf.
S3:
Peopleoftenfeeluncomfortableandunpleasant.
S4…
S5...
…
S6:
doesharmto
…
S7:
“ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo”.
…
S8:
Becausetheyalwayslistentoloudpopmusic.
…
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：
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。
5
Post-reading
（10mins）
Individualwork
Individualwork
Step1:
LettheSsread1acarefully,findoutthedifficultpoints.TheteachercollectstheSsquestionsandlistthemoutontheBb.
T:
Read1aagainandfindoutthedifficultpoints.PleasecollectthemingroupsandlistthemonyoursmallBb.
…
T:
OK.NowlookatthepointsofGroupOneontheBb.Ifyouhavethesamequestionspleasedelete.
（Teacherusesgesturestoexplain“delete”.）
Nowlookatthissentence“Peoplewhoworkandliveinnoisyconditionsgodeafeasily.”
It’slong,butyoucanunderstanditbydividingitintotwosentences“Peoplegodeafeasily.”and“Peopleworkandliveinnoisyconditions.”
（WritedownthetwosentencesontheBb,andthenaskthemtodealwithotherlongsentenceslikethis.）
T:
OK,lookatthissentence“ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo”.Itmeans“Manyteenagerscanhearasbadlyas65-year-oldpeopledo.”Canyouunderstandit?
…
Step2:
GuidetheSstocompletethepassagewithcorrectformofeachword.Finish2.
T:
Nowpleasecompletethepassagewithcorrectformofeachwordin2.
…
T:
Nowchecktheanswerstogether.
S1:
pollution
S2:
uncomfortable
S3:
unpleasant
…
Read1acarefully,findoutthedifficultpoints.
（TheSsneedtotakenoteswhiletheteacherisgivingsomeexplanations.）
GuidetheSstocompletethepassagewithcorrectformofeachword.Finish2.
S1:
pollution
S2:
uncomfortable
S3:
unpleasant
…
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解。
6
FinishingTask3and4
（10mins）
Groupwork
LettheSsdiscussonekindofpollutionsaccordingtotheinformationtheycollectedbeforeclass.Thenmakeareportlike4.
T:
OK,youhavecollectedsomeinformationaboutvariouspollutionsbeforeclass.Nowchooseonekindofpollutionanddiscussitingroups.Maybethequestionsin3canhelpyoutoorganizeyourreport.
…
S1:
Whatisairpollution?
S2:
T:
Nowreporttothewholeclass.Whocanhaveatry?
S1:
Waterpollutionisveryseriousandwecanfinditalmosteverywhere….
S2:
Lightpollutionhaven’tcaughtpeople’seyeyet…
…
T:
Youdi
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