九年级英语上册教案 Unit 13 We’re trying to save the earth

Unit13We retrying to save the earth

一、教材分析本单元带领学生了解了一些有关地球污染，动物濒危等问题并且教给大家如何保护濒危动物，如何通过I可收利用等方式来保护地球本单元分为section Aand sectionB两个部分本课为第一课时带领大家了解地球污染问题，以及探讨如何保护地球，减少污染

二、三维目标一知识与技能To learnthe following words and expressions.bottom,coal,p.ublic,ugly,cost,advantage,method,cruel,harmful,afford.

1.To understandthe pasageon Page

99.-过程和方法

2.To geta generalknowledge ofpollution byreading androle-play.

3.To knowabout how to reduce pollution throughdiscussion.三情感态度和价值观

4.After learningthis part,every studentwill beaware ofthe serioussituation ofpullutionand determinedto take action to protect our earth fron now on.

三、教学重点How touse the followingwords and expressions:cost,advantage,harmful,afford,used to,play a part in…

1.to understandthe passageon Page

99.

四、教学难点How touse the following words andexpressions:cost,advantage,harmful,afford,usedto,play a part in---

1.to understandthe passageon Page

99.

五、教学策略根据本课教学Fl标和重点内容，教师可采用听，读，小组讨论，角色扮演等活动来引导学生进行学习

六、教学准备ppt,recorder,mutiple-media

七、教学环节

1、课堂导入Step1Lead-inShow somepictures aboutpollution andask studentsto discusswhat,s thedanger,of eachkind ofpollution.1H.ere aresome wordsare relatedto differentkinds ofpollution.Write themin thebox below,and you can addmore words.loudmusic,littering,buildinghouses,cars,ships,mobi1ephones,rubbish,factories,planes,smoking.Air pollutionNoise pollutionWaterNow hewas knownas asteady man.现在他已被大家认为是一个可靠的人

④not only---but also:not only…but also…用于连接两个表示并列关系的成分，其中的also有时可以省略She not only playswell,but alsowrites music.她不仅很会演奏，而且还会作曲He worksnot onlyon weekdaysbut onSundays.We werenot onlyhungry,but alsotired.我们不但饿了，而且也累了当nol0nly…butalso连接两个主语时，谓语动词的数原则上与其相近的主语保持一致Notonlythestudents but also theirteacher isenjoying thefilm.不仅学生们在欣赏这部影片，他们的老师也在欣赏这部影片

⑤pull down:拆毁，拉倒A sma11crowd attemptedto pul1down astatue.一小伙人试图推倒一尊塑像They havemanaged topull downthe oldbuiIding.他们已拆毁r那幢旧建筑.Step3ExercisesTranslate the following phrases.

1.投入使用.拆毁

2.作为……而出名.因为而出名

3.竖起，建起.扔掉

4.上下翻转.获奖

5.复活，恢复生机Answers:put••,into use,pull down,be known for,be knownas,set up,throw away,turn upsidedown,win aprize,bring sth.Back tolife

15、课堂活动Step4ActivitiesMake a list of things to be doneto save the environment.Which things to bedone byordinarypeople everyday Whichthingstobo doneby governmentor organizations

16、课堂小结Step

5.SummarizeLook backon what we have learned.

1.How toprotect environment.

2.Useful languages:put togood use,set up,known for,pujl down,not only-but alao

17、作业r布置Home.work:make asurvey aboutthe environmentin yourtown.Good environmentWhy Badenvironment why二1

一、

二十二、教学反思通过本课学习，学生们了解了污染以及污染带来的危害，以及保护动物的必要性，并学习了一些保护环境的措施学完本课后，同学们要积极行动起来，为保护环境，保护动物作贡献3Role-play thefollowing conversationand makeyour ownconversations aboutthe kinds of pollutionabove.A:The riverwas dirty.Even thebottom ofthe riveris fullof rubbish.B:But it used tobe soclean.A:Yes,but peopleare litteringin theriver.B:Everyone in the townshould play a part in cleaningit up.

2、课堂讲授Step

2.Reading1Fast-readingNow turnto page99and readthe pagequickly tofind answersto thesheet.Questions AnswersWhereshark s fin soupis popularSouthern China70millionNumbers ofsharks caughtand tradedevery yearover90percentrHow muchthe numbersof somekindsofsharks havefcilleninthelast20-30years.WildAid andthe WWFTwoenvironment groupswhich areagainst finningReadthe passage again and fi11in blanks,so,although,if but,whenMany peopledo notrealize theyarc killingawhole sharkthey enjoya bowlof sharkrsfinsoup.1Sharks areat thetop ofthe foodchain,if theirnumbers drop,the ocean*s ecosystemwill bein danger.2Many thinkthat sharksare toostrong tobe endangered,they arewrong.4there areno scienfiticstudies tosupport this,a lotof peoplebelieve thatshark sfins aregood forhealth.

⑤Sharks maydisappear oneday wc do notdo somethingto stopthe saleofshark sfins.Possible answers:when,so,but,although,if3Studying usefulwords andexpressions.

①cost v价钱为，花费n.价钱，代价；花费,费用The cost of aloaf ofbread hasincreased five-fold..一条面包的价钱增长了4倍Badges arealso availableat acostof£

2.

50.徽章也有卖的，

2.5英镑一枚Its goingto costme over$100,090to buynew trucks.买几辆新卡车将花掉我10万多美元

②harmful adj.对…有害的;能造成损害的；不利；不良Smoking isharmful toour health.吸烟对人,类的健康有害

③used to do过去一向，过去时常，过去曾（而现在不再）做Who used todoyour kiundry谁过去一直为你洗衣服Sho used to washdishes ina restaurant.她曾经在餐馆里洗过盘子

④afford vt.买得起；担负得起；提供；给予We couldn*t afford to buya newcar.我们买不起新的车We cant affordto wait.我们等不起My parentscant evenafford anew refrigerator.我父母甚至买不起.一台新冰箱

⑤playa part in扮演某角色;与…有关,对…有影响I*d liketo playapartin theirdiscussion.我愿意参与他们的讨论Education isplaying abig partin environmentalprotection.教育在环境保护中起着很大作用He playedapartin hisfavorite TVshow.他在他最喜欢的电视节目中扮演了一个角色

3、课堂练习Step3ExercisesTranslate thefollowing phrases:

1.对…有害

2.买得起…..

3.在……中起作用

4.过去常常

5.解决问题

6.起作用

7.听说

8.在顶部

9.在……底部

10.切下，割下

4、课堂活动Step4Activities\In yourgroup make a listof thingspeople cando to help the environment.

5、课堂小结Step

5.SummarizeLook backon whatwe havelearned.

1.How toprotect environment.

2.Usef.ul languages:be ha,rmful to,at thetop of,at thebottom of.Sove problems***

6、作业布置Homework:makeaconversation withyour parnterabout whcityoucando to reducepollution.

八、板书设计Unit13Were trying to save the earthI.cost:Vsth.cost money

2.harmful:beharmful to

3.used to:used todo

4.afford:afford sth./afford todo

5.play apartin

九、教学反思通过本课学习，学生们了解了污染以及污染带来的危害，以及保护动物的必要性学完本课后，同学们要积极行动起来，为保护环境，保护动物作贡献Unit13We retrying tosave the earth教材分析本单元带领学生了解了一些有关地球污染，动物濒危等问题并且教给大家如何保护濒危动物，如何通过回收利用等方式来保护地球本单元主要复习语法内容为情态动词和动词形式变化本课主要带领大家进行语法复习，巩固语法知识

十、三维目标

（一）知识与技能

1.To learndifferent forms of verb.

2.To uncterstandthe useof Modal Verbs.（-）过程和方法

3.To knowhow touse differentforms ofverb indifferent situations.

4.To knowhowtouse Modal Verbs indifferent situations.

（三）情感态度和价值观

5.After learningthis part,every studentwill beable todescribe theirawareness ofthe serioussituationof pullutionand solutionsto environmentalproblems usingwhatwe havelearnedin thislesson.教学重点

1.To changeforms ofverb accordingto specificsituation.

2.To useModalVerbsproperly.教学难点

1.To changeforms ofverb accordingto specificsituation.

2.To useModalVerbsproperly.

十一、教学策略根据本课教学目标和重点内容，教师可采用读，小组讨论，口头及书面练习等活动来引导学生进行学习

十二、教学准备ppt,recorder,mutipie-media

十三、教学环节

7、课堂导入Step1Lead-in判断下列句子中使用了什么时态及情态动词

1.We aretrying tosave theearth.

2.The riverusedtobe soclean.

3.It wasconsidered1he nicestriver inthe town.f

4.The airhas becomereally polluted.\We shouldhelp savewthe sharks.Answers:

1.现在进行时

2.usedto

3.一般过去时的被动语态

4.现在完成时

5.should

8、课堂讲授Step

2.Presentation1Review differentforms ofverbask现在时过去时将来时过去将来时主动语态should/wouldask/asks askedshall/will askask—•般被动语态shall/will beam/is/are askedwas/were askedshould/would beaskedasked主动语态was/wore进am/is/are askingasking行被动语态主动语态had asked完have/has asked被动语态成had beenaskedhave/.has beenasked2Review Modalverbs.Main functionof ModalVerbs.

①.can could表示能力，could主要指过去时间；表示允许

②.may表允许，might可以指过去时间，也可指现在时间，语气更委婉

③.must表示义务意为“必须”主观意志

④.shall表征询意见

⑤.will表意愿，用于各种人称陈述句；表请求，用于疑问句

⑥.should/ought to应该

9、课堂练习Step.3ExercisesFill in blanks withthe correctformsofverbs.Interviewer:you evertakepartinan environmentalprojectKen:Yes,I have.I helpwith aClean-Up Daylast year.It wasconsiderthe biggestclean-up projectthis cityever have.Interviewer:How manypeople takepartKen:Ithink morethan1,000people cometo helpout.Interviewer:That sfantastic!I guesseveryone inthis cityis tryto improve theenvironment.Ken:Yes,evertone should.playapartin keepingthe cityclean.Possible answers:Have taken,helped,considered,had had,took,think,came,trying.,playFill inblanks withpropermodal vcibs.Can wouldcould have toshould might/may mustWhenit comesto savingtheearth,people thinkthat bigthingsbe.done.However,niany forgetthat savingtheearthbegins withsmal1things.For example,You saveelectricityby turningoff the lights when you leave a room.You,also usepaper orreusable bags instead ofplastic bags.In somestores,you nowpayfor plasticbags.I thinkthis isa greatidea.And insteadofdriving toschoolor work,you rideyour bikeor walk.If its far,you takethe bus.All thesesmall thingsadd up and becamebigthings thatimprovetheenvironment.We can,taffordtowaitany longerbeforetaking action.Possible answers:may,can,t,can,could,haveto,may/might,should,would,must

10、课堂活动Step4Activities\In yourgroup makealistofthingspeople cando to help theenvironment andpresent them.You canuse following,examples:1We shoulduse publictransportation.2we mustsave water.3…课堂小结Step

5.SummarizeLook backon whatwehavelearned.1动词的各种时态语态的变形do现在时过去时将来时过去将来时should/woulddo/does dids,hall/will dodo般被动语态shall/will beam/i s/are donewas/were doneshould/would bedonedone进主动语态am/is/are doingwas/worc doing行被动语态主动语态have/has donehaddone士兀被动语态have/has been成had beendonedone

2.can could表示能力，could主要指过去时间；表示允许

1.may表允许，might可以指过去时间，也可指现在时间，语气更委婉

2.must表示义务意为“必须”主观意志.shall表征询意见

3.will表意愿，用于各种人称陈述句；表请求，用于疑问句

4.should/ought to应该作业布置Homework:Review thislesson andpreview SectionB.

十四、板书设计Unit13Were tryingtosavetheearth

1.被动语态的构成

2.情态动词©.can could■

五、教学反豁.may通过本课学习，序缴擀一步了解了动词各种形势变化，及情态动词用法■

五、教学反U£i^iB3We retryingtosavetheearth

⑥.should/ought to打材分析本单兀带领学生「解r•些有关地球污染，动物濒危等问题并且教给大家如何保护濒危动物，如何通过回收利用等方式来保护地球本单元分为section Aand sectionB两个部分本课为第三课时带领大家了解我们能为地球做些什么三维目标-知识与技能To learnthefollowingwordsandexpressions,gate,bottle,president,,metal等

1.To understandthe pasageon Page

102.-过程和方法

2.To geta generalknowledge of^pollution byreading androle-play.

3.To knowabout howtoreducepollution throughdiscussion.三情感态度和价值观

4.Afterlearning thispart,every studentwi11be awareofthe serioussituation ofpullutionand determinedtotakeactiontoprotectourearthfronnow,on.

十六、教学重点To knowthefollowingwords:gate,bottle,president,,metal,put togood use,set up,known for,pull down,not only…but also等

1.to understandthe passageon Page

102.

十七、教学难点To knowthefollowingwords:gate,bottle,president,,metal,put togood use,set up,knownfor,pull down,not only…but alao等

1.to understandthe passageon Page

102.

十八、教学策略根据本课教学目标和重点内容，教师可采用听，读，小组讨论，角色扮演等活动来引导学生进行学.习

十九、教学准备ppt,rec,order,mutiple-media

二十、教学环节课堂导入Step1Lead-inDiscussion:what canwcdotohelpsavetheplanet Rankthese itemsfrom theoasist1to themost difficult

5.stop ridingin cars..recycle booksand papers.Turn offthelightswhen youleavearoom.Turn offthe showerwhenyouwashing yourhair.Don,tusepaper napkins.Possible answers:53124课堂讲授Step

2.Reading1Fast-readingNow turnto page102and readthe pagequickly tofind answersto thechart.Name Whatdid theymakeWhat materials did theyuseWhat didthey makeNameWhatmaterialsdidthey useAmy Hayes AhouseOld,boat,rocks,old galssbottles,materials from oldhousesJessica WongOld clothes bagscWang TaoArt piecesIronandother materialsfronoldcars2careful-readingRaed thepassageagainandfi11inblanks.put togood use,set up,known for,pull down,not only…but alao,build---out of

①AmyHayes1ives intheUk.Many ofthe oldbuiIdings inher neighborhoodwere@All therubbish andold thingsin Amys neighborhoodwere thenwhen Amybuilt her house.3Amy isvery creativeand sheher frontgate,rocksand oldglass bottles.She putan oldboat ontop ofherhouse.

④Jessica Wongsells her bagsina smallshop,but shealso online businessto sei1them.

⑤Though Jessica*sbagsare madefromoldclothes,herbagsarebeing cuteand useful.

⑥Wang Taomakes largepieces ofmetal artthat looklike humansor animals,make smallerpieces forthehome.Possible answers:pulled down,put togood use,built outof,set up,known for,notonly…butalso3Studyinguseful wordsandexpressions.

①put---into use:应用；利用；投入使用The firstdigital computerwas put into usein

1944.一九四四年,第一台二位制计算机投入了使用.The newlybuilt waitingbuilding wasputintouse today.这座新建的候机楼今起启用.

②set up竖立；升起；建立；设立；创立；创造纪录等They setup somestones asland marks.他们竖起一些石头当界碑The schoolhas setup aspecial classtohelppoor readers.The Frenchteam setupanew recordat tonight*s meeting.

③known for:以…而着名，出名,以见长Mrs.brown isknown,for herhospitality.布朗夫人以其好客闻名London usedtobea cityknownforits blackfogs.”伦敦的“黑雾”一向闻名Be knownas:以作为…而著称。