人教版九年级下册英语Unit13 Were trying to save the earth优质教学设计含单元分析共5课时Word文件下载.docx

人教版九年级下册英语Unit13 Were trying to save the earth优质教学设计含单元分析共5课时Word文件下载.docx

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KeySentences

1.Wearetryingtosavetheearth.

2．Theriverusedtobesoclean.

3．Theairisbadlypolluted.

4．Tocutdownairpollution，weshouldtakethebusorsubwayinsteadofdriving.

5．Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.

6．Youshouldtakeyourownbagswhenyougoshopping.

KeyGrammar

Reviewpresentprogressivetense，usedto，passivevoice，presentperfecttenseandmodalverbs.

AbilityGoals

【能力目标】

1.Learnthewords，phrasesandstructurestotalkaboutenvironmentalpollutionandprotection.Usethegrammarandstructurescorrectly.

MoralGoals

【情感目标】

1.Withthehelpofthisunit'

sstudy，studentspaymoreattentiontoenvironmentalprotection.Learnhowimportanttokeepthebalanceofnature.

TeachingTime

【课时】

Fiveperiods

Period1

SectionA（1a－2d）

Period2

SectionA（3a－4c）

Period3

SectionB（1a－1e）

Period4

SectionB（2a－2e）

Period5

SectionB（3a－3b）&

SelfCheck

本单元围绕环境保护的话题，并用主题图片表现噪音污染、空气污染、水污染等内容，目的是为了让学生对环境的破坏有一个直观的认识，从而激发学生强烈的社会责任感和对未来发展的思考。

SectionA的重点是让学生掌握与环境污染和环境保护相关的词汇和句型，同时引导学生关爱动物、保护环境。

教学难点是让学生学会正确使用连词和结合生活实际讲述如何保护环境。

SectionB在SectionA所学的基础上，进一步谈论如何保护环境。

教学重点是让学生了解环境保护的方式，并落实到积极的行动当中，同时还有阅读策略和写作技巧的训练。

教学难点是让学生在阅读2a文章之后，根据所给词根找出衍生出的不同词汇，并理解前缀和后缀的不同用法。

TheFirstPeriod—SectionA（1a－2d）

TeachingImportantPoints　【教学重点】

Keywords&

phrases：

litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plastic

noisepollution，airpollution，waterpollution，befullof，playapartin，turn…into，cutdownairpollution

Keysentences：

1.Eventhebottomoftheriverwasfullofrubbish.

2.Itusedtobesoclean.

3.Everyoneinthistownshouldplayapartincleaningitup.

4.Theairisbadlypollutedbecausetherearemorecarsontheroadthesedays.

5.Theairhasbecomereallypollutedaroundhere.

6.We'

retryingtosavetheearth.

Keystructure：

should＋do；

usedto＋do；

have/has＋done；

be＋done；

be＋doing

e．g.Everyoneshouldhelptocleanuptheriver.

Theairhasbecomereallypolluted.

Iusedtobeabletoseestarsinthesky.

Theairisbadlypolluted.

TeachingDifficultPoints　【教学难点】

★Practicethestructurestotalkaboutpollutionandenvironmentalprotection.

TeachingAids　【教学工具】

Ataperecorder，CAIormultimediacourseware.

TeachingSteps　【教学过程】

★Step1　Leadingin　【新课导入】

1．Greeting

2．Discussionandreview

Discusswiththestudents，likethis：

T：

Whatkindsofpollutionaretherethesedays?

S：

…

Whatcausesthepollution?

3．Reviewthewordsandexpressionsaboutthetopic.

★Step2　Cooperativeinquiry　【合作探究】

1．Finishthetaskin1a

①Showpicturesorplayvideosaboutpollutionandtalkaboutthepollution.

②Readthesephrasesin1a.Lookatthepicturesin1aandsaywhattheyseeinthepictures.Writedownthewordsandaddmorewords.

③Askstudentstosayouttheirwordsineachkindofpollution.

2．Finishthetaskin1b

①Readtheinstructions.Getthestudentstoreadthecontentsinthechartandthinkofwhattheywillfillintheblanks.

②Playtherecordingforthefirsttime.Studentslistenandfillinthewords.

③Playtherecordingasecondtime.Askthemtochecktheanswers.Thenaskthequestions.Studentsanswerwithfullsentences.

④Askmorequestionstohelpstudentslearnmoredetails.Thenplaytherecordingforthestudentstorole－paytheconversation.

3．Finishthetaskin1c

①Showthekeywordsoftheconversation.Askstudentstoretellthecontentsinthechart.Likethis：

What：

dirty；

bottom，rubbish；

fish

Why：

littering，puttingwaste

How：

writeto，closedown；

helptocleanup

②Readaloudthemodeldialoguein1c.Theninpairs，dotheoralpracticewithmorewords.

③Asktwopairstoperforminclass.

4．Finishthetasksin2a－2b

①UsePPTorpicturestoshowthefourkindsofpollution.Getthegroupsofstudentstohaveacompetitiontosaywordsaboutthepollutiononebyone.

landpollution：

airpollution：

noisepollution：

waterpollution：

②Getthestudentstowritedownthesewordsintheirnotebooks.

③Playtherecordingforthefirsttime.Studentslistenandcirclethekindsofpollution.Checkanswerswiththeclass.

④Readthesentencesin2b.Predictthecontentstheywillfillin.Playtherecording.Studentslistenandcompletethesentences.

⑤Playtherecordingagain.Checktheanswerswiththewholeclass.

5．Finishthetaskin2c

①Readthesampleconversationin2c.ThenReadthelisteningmaterialsanddiscussinpairswhatcausesthe