Unit 2 Topic 3《What can we do at home to protect the environment》(SectionC)教学设计-九年级上册英语【仁爱版】

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Unit 2 Topic 3《What can we do at home to protect the environment》(SectionC)教学设计-九年级上册英语【仁爱版】
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【文档说明】Unit 2 Topic 3《What can we do at home to protect the environment》(SectionC)教学设计-九年级上册英语【仁爱版】.doc,共(12)页,52.000 KB,由小喜鸽上传

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Unit2Topic3SectionC教学设计Ⅰ.Materialanalysis本课是第二单元第三话题的第三课时。主活动是1a。1a介绍了世界各地的人们如何开发和利用环境友好型和资源节约型的新能源,同时也指出了这些新能源的利用方式所存在的不足之处。在介绍的过程中,让学生学到更多并列句的连接词。

如:however,notonly…butalso…等。1b通过图片匹配可以帮助学生形象地理解比较陌生的事物。1c培养学生归纳处理信息的能力。2a和2b是两个关联性很强的任务。2a指出人们可以利用可再生能源来发电,并让学生讨论怎样利用这些可再生能源,然后在2b环节形成书面报告

。这两个环节,其实是培养学生学会作记录,并根据记录整理成短文的能力。2b是个书面活动,可以留作家庭作业。Ⅱ.Teachingaims1.Knowledgeaims:掌握本课的重点词汇和短语,继续学习并列句。2.Skillaims:学会更多连接

并列句的方法。学会在讨论中作记录,并整理记录使之成文。能够对信息进行分类处理。3.Emotionalaims:(optional)激发学生探索利用新能源的热情。4.Cultureawareness:(optional)了解世界各国在开发

和利用新能源方面的现状和成就。Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:technology,renewable,disadvantage,require,Ge

rman,wheel,guide,deep,runout,source,worldwide,produce…from…,notonly…butalso…,too…to…Sentences:However,nuclearpowercanb

everydangerous.Itcannotonlyprotecttheenvironmentbutalsosaveenergy.It’stoosmalltoholdmanypeople.Grammar:comp

oundsentence2.Difficultpoints:理解文章中出现的大量专业术语。如:biogastechnology,maglevtrains等。理解文中出现的被动语态。如:Thisrenewableene

rgyisusedinpeople’severydaylives.Electricvehiclesweredevelopedinthe1990s.It’stoosmalltoholdmanypeople,butlargermodelswillbedevelopedinthenea

rfuture.理解文中出现的表语从句。如:Itskeydisadvantageisthattheprocessrequiresalongtime(upto30days)andthehighcostforitsbuilding.Ⅳ.Le

arningstrategies在1a、1b和2a中,能够根据文字描述进行图文匹配。在1c环节能够根据要求获取不同的信息,并能根据所完成的图表复述文章的大意。要养成在讨论中作记录的好习惯,并利用记录的要点来组织短文。利用课文中的插图和教材附录中的资料来理解课文。Ⅴ.Te

achingaids教学新词的图片(如:1a,1b,2a的插图、电动摩托图片、核电站图片)/PPT等。Ⅵ.TeachingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityR

emarks1Revision(10mins)GroupworkLettheSsmakeasurveyandreporttotheclasstofinish4inSectionB.T:Hi,boysandgirls!Let’sbeginourcla

ss.Pleaseturntopage46.Let’sdothesurveyin4.Haveyoumadethelistafterclass?T:Fine.Nowworkingroupsasusual.Makeasurveyinyourgroup.Youcanfollowtheexamp

lein4.Thegroupleadershouldcollecttheinformationandreportittotheclass.Whenyoufinish,putupyourhand.T:Stop,please!Now,it’stimetoreport.Whichgroupw

antstoreportfirst?T:IamverygladthatyouhaveagoodhabitMakeasurveyandreporttofinish4inSectionB.Ss:Yes.S1

:Inourgroup,xxxalwaysshutsofftheelectricitywhenheleavestheroomorwhentheroomisbrightenough.xxxalwaysturnsoffthetap

whenhedoesn’tuseit.xxxalwaysputstheplasticbottlesinabigboxandxxxalwaysusesbothsidesofthepaper.S2:Inourgroup,…S3:Inourgroup,…ofdeal

ingwiththewaste.2Pre-reading(5mins)ClassactivityPresentthepicturesin1a,1band2atolearnthenewwords.T:Now,Iwillshowyousomepictures.

TrytotellmewhatthepictureisinEnglish.Now,lookatthispicture,what’sit?T:Yes.It’sanelectricmotor.Ioftencometoschoolonmyelectricmotor.Wha

taboutthisone?T:Youareright.It’satrain.Peoplecallitmaglevtrain.It’sdifferentfromthetraditionalsteelrailways.It

hasnowheelsbutitrunsveryfast.Itcanrunmorethanfourhundredkmperhour.T:…(Usethesamewaytodealwithotherwords.)Learnthenewwords.S1:Mo

tor.S2:Itlookslikeatrain.这一课词汇较多,而且有很多专用术语,老师要运用各种方法先讲解部分新词。如:运用图片、构词法或课前集中预习等。electric(adj)+ity(名词后

缀)=electricity(n),re(again)+new+able(能…的)=renewable(adj),dis(no)+advantage=disadvantage(n)。本课词汇较多,对于课程标准没有要求掌握的词汇,只要学生能理解即可。3While-reading(8mi

ns)IndividualworkIndividualworkStep1:LettheSsread1a,andmatchthepicturesin1aand1b.T:Next,youwillread1a,andmatchthepictures

in1aand1bwhilereading.Whenyoufinish,putupyourhand.T:Whowouldliketotellustheanswersto1a?T:Doyouagreewithher?T:Howabout1b?Volunteers!T:Isheright?

Step2:LettheSsread1aagainandcompletethetablein1c.Checktheanswers.T:Youhavelearnedsomethingaboutbiogas,electricvehiclesandmaglevt

rains.Eachhasitskeyadvantagesanddisadvantages.Now,read1aagain,findRead1aandmatchthepicturesin1aand1b.

S1:C-A-B.Ss:Yes.S2:B-C-A.Ss:Yes.Read1aagainandcompletethetablein1c.Checktheanswers.Ss:Noproblem.S1:Advantage:renewa

bleDisadvantage:longprocessandhighcostforitsbuildingS2:…S3:…theiradvantagesanddisadvantagesandputtheminthetablein

1c.Whenyoufinish,raiseyourhand,please.T:Shallwechecktheanswersnow?T:xxx,what’stheadvantageanddisadvantageofbiogas?T:Oh,youalldiditverywell.4Post-rea

ding(10mins)IndividualworkGroupworkStep1:LettheSsguessthemeaningsof“best-known,German,efficient,guide,path”andthenlearn

themwiththehelpofthevocabularylist.T:Now,let’ssolvethewords.First,you’dbetterguessthemeaningsofthesewords,a

ndthenlearnthembyyourselfwiththehelpofthevocabularylist.Guessthemeaningsof“best-known,German,efficient,guide,path”a

ndthenlearnthemwiththehelpofthevocabularylist.Read1a,anddiscussingroupstofindthecompoundsentencesandotherdifficultpoints.对best-known,German也可以辅以

构词法来讲解:Germany(n,国家名)——German(n,…人),best+known(famous)=best-known(adj.)对本课出现的被动语态和表语从句,老师不要细ClassactivityStep2:LettheSsread1a,anddiscussingroupstof

indthecompoundsentencesandotherdifficultpoints.T:Youhaveread1atwice,buthaveyounoticedthattherearemanycompoundsentencesint

hepassage?Besides,Iknowtherearesomedifficultpointsforyou.SoI’dlikeyoutoreadthepassageagain,anddiscussingroupstofindoutthecompoundsentencesanddifficu

ltpoints.Ifyoufinish,pleaseletmeknow.T:Group1,couldyoutellusthecompoundsentencesyouhavefound?T:Wow,therearesoS1:Inm

anycountries,people…coal,butitis..andcausesacidrain.However,nuclearpowercanbeverydangerous.Itcannotonlyprotect…butals

osaveenergy.It’stoosmalltoholdmanypeople,but..future.S2:Thereisnowheelnoise,becausetherearenowheesl.Maglevtrainsareveryen

ergy-efficientanddonotpollutetheair.However,maglevguidepathsare..steelrailways.Understandthedifficultpoints.讲,只

要学生能理解句子意思即可。建议老师直接用汉语解释。manycompoundsentencesinthispassage.Thenlet’sdealwiththedifficultpoints.Step3:Dealwiththedifficultpoints.5FinishingTask

2a(8mins)ClassactivityIndividualworkStep1:LettheSslookatthepicturesin2atolearnthenewwords.T:Weknowcoal,oilandgasareunrenewab

lesources,andtheywillrunoutinthefuture.Sopeoplearefindingnewwaystoproducepower.Now,lookatthepicturesin2a,doyouknoww

hatkindofnaturalsourcesisused?Let’sstartwithPicture1.T:Yes,inpicture1,peopleusesunlight.Picture2?T:Insomeplaces,thereishotwaterLearnthenewwords.Ss:太阳

能。Ss:不知道。S1:蒸汽。Ss:风力发电。Ss:海浪。S1:Sure.2-4-1-3Ss:Yes.地热能是学生所不熟悉的,老师要适当地解释一下。Groupworkcomingfromdeepintheearth.Ifthewateristoohot,itbecomessteam

.Inthepast,peopleusedsteamtodrivetrainsandships.Now,canyouguesswhat“steam”means?T:Yeah!ThenPicture3?T:Y

es.Andthelastone?T:Clever!Seawavesarenaturalsources,too.Step2:LettheSsread2aandmatchthepictureswiththesen

tences.T:Youhavelearnedabouttheserenewablesources.Now,read2aquicklyandmatchthepictureswiththesentences.Ifyoufinish,putupyourhand

.T:xxx,couldyoutellusyouranswers?Discussindetailabouttheuseofonekindofenergysource.T:Isthatright?Step3:LettheSsdiscussindetailabou

ttheuseofonekindofenergysources.T:Fromthepassage,weknowthatthesesourcesareusedworldwide.Now,I’dlikeyoutodiscussindetailhowtouseoneofthe

sesourcesingroups.You’dbettertakenoteswhilediscussing.Becauseyouwillwriteashortpassagebasedonthediscussio

n.6Summarizingandassigninghomework(4mins)ClassactivityStep1:LettheSsretellthemaincontentof1aaccordingtothetablein1c.T:Howtimeflies!It’st

imetoretellthemaincontentof1anow.Ready?Go!Retellthemaincontentof1aaccordingtothetablein1c.T&Ss:Biogasisrenewable.Farmersrecyclestraw,grass

andanimalwastetomakebiogas.Butitrequireslongtimetoproducebiogasanditcostsmuchtobuildthem.Electric让学生单独复述课文有一定的难度,最好是老师带着一起复述。Step2:HMKT:Yo

uhavediscussedandtakennotein2a.Afterclass,youshouldwriteashortpassagewiththenotes.Youmayfollowtheexamplein2b.vehiclescanno

tonlyprotecttheenvironmentbutalsosaveenergy.Butit’stoosmalltoholdmanypeople.Maglevtrainsrunveryfastandquietly.Theyareenergy-efficientandthe

yhavenopollution.However,thepathsaremuchmoreexpensivethanthetraditionalsteelrailways.Ⅶ.BlackboarddesignWhatcanwedoathometoprotecttheenvironment?

SectionCWordsandphrases:electricmotor电动摩托maglevtrain磁悬浮列车technologyrequireGrammar:compoundsentences:

并列句conjunctions:连接词but,however,and,notonly…butalso…,…Sentences:However,nuclearpowercanbeverydangerous.Itcannotonly

protecttheenvironmentbutalsosaveenergy.It’stoosmalltoholdmanypeople.…,butitisverydirtyandcausesacidrain.Germ

anwheelguidedeeprunoutdis+advantage=disadvantage(n)re(使)+new+able(能…的)=renewable(adj)notonly…butalso…

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