九年级英语unit13教案文档格式.docx

九年级英语unit13教案文档格式.docx

《九年级英语unit13教案文档格式.docx》由会员分享，可在线阅读，更多相关《九年级英语unit13教案文档格式.docx（21页珍藏版）》请在冰点文库上搜索。

1.教学重点：

（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。

（2）保护环境的措施方法。

2.教学难点：

能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。

三、教学步骤:

unit13sectiona1（1a-2d）

i.presentation

showthepictureoftheearthandtellstudentstheearthispollutednow.

forexample:

（1）thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.

（2）factoriesputwasteintotheriver.

（3）peopleshouldthrowawaylitterinthebin.

（4）therearemorecarsontheroad.

ii.learning

herearesomewordsrelatedtodifferentkindsofpollution.writethemintheboxbelow.thenaddmorewords.

keys:

noisepollution：

loudmusicplanesmobile

phonesbuildinghouses

airpollution：

factoriessmokingcarsbuildinghouses

waterpollution：

shipsrubbishlitteringfactories

iii.listening

cleanup

2.listenagainandcheck（√）thesentencesyouhear.

1）wecouldgofishingintheriver.2）theriverwasreallydirty.

3）theriverhasalwaysbeenthenicestriverinthistown.4）weshouldasktheteachersforhelp.keys:

23

iv.practice

1.role-playtheconversationin1c.

mark:

theriverwasdirty.eventhebottomoftheriverwasfullofrubbish.

tony:

butitusedtobesoclean!

yes,butpeoplearethrowinglitterintotheriver.

everyoneinthistownshouldplayapartincleaningitup!

2.makeconversationsusingthepollutionin1a.

a:

theriverhasalwaysbeenthenicestriverinthistown.

b:

yes,itusedtobesoclean.

butiwastherelastweekendandtheriverwasreallydirty.b:

whatcausedtheproblem?

peoplearethrowinglitterintotheriver.

whatshouldwedo?

factoriesarealsoputtingwasteintotheriver.

yes,everyoneinthistownshouldplayapart.

weshouldwritetothegovernmentandaskthemtoclosedownthefactories.

whatelsecanwedo?

everyoneshouldhelptocleanuptheriver.

v.languagepoints

1.we'

retryingtosavetheearth!

我们正在竭尽全力拯救地球!

trytodo=tryone'

sbesttod努o力去做某事。

e.g.everystudentshouldtrytostudyhardinordertostudyin

auniversity.为了进入大学学习，每个学生都应该努力学习。

2.herearesomewordsrelatedtodifferentkindsofpollution.

berelatedto与⋯有关

e.g.iamnotrelatedtohiminanyway.我和他无任何关系。

3.everyoneinthistownshouldplayapartincleaningitup!

playapartin在⋯⋯方面起作用

e.g.agooddietplaysalargepartinhelpingpeoplelivelonger.健康饮食在帮人们长寿方面起着非常大作用。

playapart在⋯⋯中扮演角色

e.g.hewasinvitedtoplayapartinthistvplay.他被邀请参加这

个电视剧的演出。

4.eventhebottomoftheriverwasfullofrubbish.yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可数名词。

rubbish指“没用的东西（被扔或将要丢弃的无用的东西）”不可回收。

litter指“室（内或公共场所）乱扔的废物（纸屑、不要的包装纸、废瓶等）”还可回收

e.g.throwtherubbishout.把垃圾扔出去。

theroomisfullofrubbish.房间里堆满了垃圾。

pickupyourlitterafterapicnic.野餐后将废弃物收拾好。

vi.listening

1.2alistentotheinterview.circlethekindsofpollutionthatjasonandsusantalkabout.

a.landpollutionb.airpollutionc.noisepollutiond.waterpollutionkeys:

ba

2.2blistenagainandcompletethesentences.

1）theairisbadlypollutedbecausethereareon

theroadthesedays.

2）factoriesthatburncoalalsotheairwithalotof

blacksmoke.

3）thereisalsotoomuchrubbishandwaste.peoplethingseveryday.

4）peoplearealsolitteringinlikeparks.this

isturningbeautifulplacesintougly

（丑陋）ones.

keys:

morecarspollutearethrowingawaypublicplaces

3.listenandanswerthequestions.

1）whoistheinterviewertalkingto?

2）whataretheytalking?

3）whatotherproblemsdotheysee?

susanandjason.theenvironmentalproblems.there

toomuchrubbishandwasteinthestreets.

vii.practice（2c）

usetheinformationin2aand2btorole-playconversationsbetweenjasonandsusan.

jason:

theairhasbecomereallypollutedaroundhere.i

gettingveryworried.

susan:

yes,iusedtobeabletoseestarsinthesky.

theproblemisthat⋯

viii.discussion

askstudentswhatweshoulddotosavetheearth.helpstudentsanswer,turnoffthe

lightswhenyouleavearoom;

stopridingincars;

stopusingpapertowelsornapkins;

recyclebooksandpaper.

ix.reading

interviewer:

jasonandsusan,whatareyourideasforsolvingtheseproblems?

优点）

well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.

yeah,orrideabike.thereareotheradvantages（

ofbikeriding.it'

sgoodforhealthand

itdoesn'

tcost花（费）anything!

greatideas!

whataboutwastepollution?

mmm,ithinksimplethingslikebringingabagtogoshoppingcanhelp.istarteddoingthatayearago.

me,too.also,inevertakewoodenchopsticksorplastic

（塑料）forkswhenibuytakeaway（外

卖食品）food.iusetheonesathome.

andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulfor

everyone.

sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!

x.summaryandlanguagepoints

1.thisisturningbeautifulplacesintouglyones.turn⋯into⋯把⋯⋯变成⋯⋯e.g.theicyrainseemedliketoturnintosnow.渐渐地冻雨又变成雪花的模样。

2.it'

sgoodforhealthanditdoesn'

tcostanything!

costv.花费；

使付出

指花费金钱，主语通常是物。

cost的过去式和过去分词均为cost。

e.g.thenewshirtcostmrwang200yuan.王先生花了200元买

了新衬衫。

howmuchdoesthenewcomputercost?

新电脑花了多少钱？

take,spend,paycost

take，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。

1）take多表示花费时间，常用于ittakessb.sometimetodosth.这一句型中，其中it作形式主语。

e.g.itusuallytakesme40minutestocookthedinner.

2）spend多表示花费时间和金钱，主语通常是人，常用于sb.spend（s）sometime/moneyonsth.和sb.spend（s）sometime/

money（in）doingsth.两种句型。

e.g.davidspent2,000yuanonthenewmachine.

myfatherspendsanhour（in）watchingthenewsontveveryday.

3）pay多表示花费金钱，主语通常是人，常用于sb.pay（s）somemoneyforsth.句型。

e.g.tommypaid20yuanforhisbreakfastyesterday.

4）cost多表示花费金钱，主语通常是物，常用于sth.cost（s）（sb.）somemoney.句型。

e.g.thenewdresscostlinda88yuan.根据句意用take,spend,pay或cost的适当形式填空。

1）thatnewcarthemlotsofmoney.

2）mona50yuanonthebooksjustnow.

3）itusuallymeanhourtodomyhomework.

4）youshouldsometimepractisingyour

pronunciation.

5）mybrother6,000yuanforthenewcomputer

yesterday.

keyscostspenttakesspendpaid

3.sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!

makeadifference（to⋯）表示（对⋯⋯）产生影响或作用

e.g.doyouthinkhiswordswouldmakeanydifferencetothefinaldecision?

你认为他的话会对最后的决定产生影响吗？

thenewteacheralwaysencourageslittletom.thishasmadeabigdifferencetohim.

新来的老师总是鼓励小汤姆，这对他影响很大。

xi.exercises

用动词的适当形式填空。

1）we'

retrying（save）theearth.

2）thereusedto（be）cleanandbeautiful.

3）therearetoomanyfortocatch（fish）.

4）it'

sbadforenvironmenttouse（wood）

chopsticks.

tosavebefishfishermenwooden

xii.thinkabout

theearthisbadlypolluted.pleasemakeaposterandthinkofwhatwecando.

xiii.homework

1.copythenewwordsandrememberthem.

2.readthelisteningmaterialsof1b,2a.

unit13sectiona2（3a-3c）

i.revision

（1）role-play2d.

（2）translatethesesentencesintoenglish.①甚至是河底都满是垃圾。

2这个小镇上的每个人都应该参加打扫。

3骑自行车有其它的优点。

4我买外卖食品从来不拿木筷子和塑料叉子。

ii.leadin

（1）teachertellsstudentstheearthisbadlypolluted.whatshouldwedotosavetheearth?

let'

stakeaction.forexample:

1turnoffthelightswhenyouleavearoom;

2takebusesinsteadofdrivingcars

3recyclebooksandpaper.

（2）therearesomeanimalsareendangered.weshoulddosomethingtoprotecttheanimalsandtheenvironment!

iii.discussion

（1）haveyoueverseenashark?

（2）whatdoyouknowaboutsharks?

iv.reading

（1）sharksareendangered,readthepassageandjudgethesentences.

1shark'

sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.

2wehavetokillawholesharktogetabowlofshark'

sfin

soup.

3peoplecutoffsharks'

finsandthrowthesharksbackinto

theocean.

4sharksareinthebottomofthefoodchainintheocean'

s

ecosystem.

⑥shark'

sfinsaregoodforhealth.

（2）

v

（1）readthepassageanddillintheblankswiththewordsinthebox.

1.manypeopledonotrealizetheyarekillingawholesharktheyenjoyabowlofsharkfinsoup.

2.sharksareatthetopofthefoodchain,__iftheirnumbersdrop,theocean'

secosystemwillbeindanger.

3.manythinkthatsharksaretoostrongtobeendangered,theyarewrong.

4.therearenoscientificstudiestosupportthis,a

lotofpeoplebelievethatsharkfinsaregoodforhealth.

5.sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.

（2）retellthepassageaccordingtothewordsbelow.shark'

sfinsoup,insouthernchinaeachtimecutoffnolongernotonly⋯butalso⋯

vi.languagepoints

1.asharkcannolongerswimandslowlydies.鲨鱼不能再游泳

然后慢慢死掉。

nolonger意思是“不再”

e.g.i'

mnolongerastudent.我不再是个学生了。

有两个短语和nolonger同义，即not⋯anylonger和not⋯anymore，但他们侧重的方面不同。

n