九年级英语unit13教案.docx
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九年级英语unit13教案.docx
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九年级英语unit13教案
九年级英语unit13教案
【篇一:
九年级英语第十三单元教案unit13we】
unit13we'retryingtosavetheearth!
一、教学目标:
1.语言知识目标基本词汇:
litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,
shark,fin,method,cruel.harmful,chain,ecosystem,industry,law,scientific,afford,
reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,
iron,work,metal,creativity,
基本词组:
beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.
togooduse,pull⋯down,bringback
基本句型:
we'retryingtosavetheearth!
theriverusedtobesoclean.
theairisbadlypolluted.noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.
weshouldhelpsavethesharks.
2.技能目标:
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。
3.情感目标:
有环境危机意识,学会关注环境保护环境。
二、教学重难点:
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!
mark:
yes,butpeoplearethrowinglitterintotheriver.
tony:
everyoneinthistownshouldplayapartincleaningitup!
2.makeconversationsusingthepollutionin1a.
a:
theriverhasalwaysbeenthenicestriverinthistown.
b:
yes,itusedtobesoclean.
a:
butiwastherelastweekendandtheriverwasreallydirty.b:
whatcausedtheproblem?
a:
peoplearethrowinglitterintotheriver.
b:
whatshouldwedo?
a:
factoriesarealsoputtingwasteintotheriver.
b:
yes,everyoneinthistownshouldplayapart.
a:
weshouldwritetothegovernmentandaskthemtoclosedownthefactories.
b:
whatelsecanwedo?
a:
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?
keys:
susanandjason.theenvironmentalproblems.there
toomuchrubbishandwasteinthestreets.
vii.practice(2c)
usetheinformationin2aand2btorole-playconversationsbetweenjasonandsusan.
jason:
theairhasbecomereallypollutedaroundhere.i
gettingveryworried.
susan:
yes,iusedtobeabletoseestarsinthesky.
jason:
theproblemisthat⋯
viii.discussion
askstudentswhatweshoulddotosavetheearth.helpstudentsanswer,turnoffthe
lightswhenyouleavearoom;stopridingincars;stopusingpapertowelsornapkins;recyclebooksandpaper.
ix.reading
interviewer:
jasonandsusan,whatareyourideasforsolvingtheseproblems?
优点)
jason:
well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.
susan:
yeah,orrideabike.thereareotheradvantages(
ofbikeriding.it'sgoodforhealthand
itdoesn'tcost花(费)anything!
interviewer:
greatideas!
whataboutwastepollution?
susan:
mmm,ithinksimplethingslikebringingabagtogoshoppingcanhelp.istarteddoingthatayearago.
jason:
me,too.also,inevertakewoodenchopsticksorplastic
(塑料)forkswhenibuytakeaway(外
卖食品)food.iusetheonesathome.
susan:
andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulfor
everyone.
interviewer:
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.
keys:
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。
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