教育学习文章Unit 13 We are trying to save the earth教案.docx
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教育学习文章Unit13Wearetryingtosavetheearth教案
Unit13Wearetryingtosavetheearth!
教案及练习题
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一、教学目标：
.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,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：
.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:
SectionA1
I.Presentation
Showthepictureoftheearthandtellstudentstheearthispollutednow.
Forexample:
Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.
Factoriesputwasteintotheriver.
Peopleshouldthrowawaylitterinthebin.
Therearemorecarsontheroad.
II.Learning
Herearesomewordsrelatedtodifferentkindsofpollution.writethemintheboxbelow.Thenaddmorewords.
loudmusic
cars
rubbish
planes
littering
ships
factories
smoking
buildinghouses
mobilephones
noisepollution
airpollution
waterpollution
____________
___________
_____________
____________
___________
_____________
____________
___________
_____________
____________
___________
_____________
keys:
noisepollution
loudmusic
planes
mobilephones
buildinghouses
airpollution
factories
smoking
cars
buildinghouses
waterpollution
ships
rubbish
littering
factories
III.Listening
.1bListenandcompletethesentences.
whatwastheproblem?
Theriverwas_____________.Eventhebottomoftheriverwasfullof________.Therewerenomore______forfishermentocatch.
whatcausedtheproblem?
Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.
Howshouldtheproblembesolved?
weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.
keys:
reallydirty
rubbish
fish
litter
waste
government
closedown
cleanup
2.Listenagainandcheckthesentencesyouhear.
）wecouldgofishingintheriver.
2）Theriverwasreallydirty.
3）Theriverhasalwaysbeenthenicestriverinthistown.
4）weshouldasktheteachersforhelp.
keys:
23
IV.Practice
.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
.we’retryingtosavetheearth!
我们正在竭尽全力拯救地球!
trytodo=tryone’sbesttodo努力去做某事。
e.g.Everystudentshouldtrytostudyhardinordertostudyinauniversity.
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.
健康的饮食在帮助人们长寿方面起着非常大的作用。
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”不可回收。
litter指“乱扔的废物”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
.2aListentotheinterview.circlethekindsofpollutionthatjasonandSusantalkabout.
A.landpollution
B.airpollution
c.noisepollution
D.waterpollution
keys:
BA
2.2bListenagainandcompletethesentences.
）Theairisbadlypollutedbecausethereare___________ontheroadthesedays.
2）Factoriesthatburncoalalso________theairwithalotofblacksmoke.
3）Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.
4）Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintouglyones.
keys:
morecars
pollute
arethrowingaway
publicplaces
3.Listenandanswerthequestions.
）whoistheinterviewertalkingto?
2）whataretheytalking?
3）whatotherproblemsdotheysee?
keys:
Susanandjason.
Theenvironmentalproblems.
There’stoomuchrubbishandwasteinthestreets.
VII.Practice
Usetheinformationin2aand2btorole-playconversationsbetweenjasonandSusan.
jason:
Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.
Susan:
yes,Iusedtobeabletoseestarsinthesky.
jason:
Theproblemisthat…
VIII.Discussion
Askstudentswhatweshoulddotosavetheearth.Helpstudentsanswer,turnoffthe
lightswhenyouleavearoom;stopridingincars;stopusingpapertowelsornapkins;recyclebooksandpaper.
IX.Reading
.Read2dandcompletethechart.
Problems
Solvingproblems
airpollution
wastepollution
woodenchopsticksorplasticforks
rubbish
2.Role-playtheconversation.
Interviewer:
jasonandSusan,whatareyourideasforsolvingtheseproblems?
jason:
well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.
Susan:
yeah,orrideabike.Thereareotheradvantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!
Interviewer:
Greatideas!
whataboutwastepollution?
Susan:
mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.
jason:
me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.
Susan:
Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.
Interviewer:
Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!
X.Summaryandlanguagepoints
.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!
cost
v.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,pay&cost
take，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。
）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.spendsometime/moneyonsth.和sb.spendsometime/moneydoingsth.两种句型。
e.g.Davidspent2,000yuanonthenewmachine.
myfatherspendsanhourwatchingthenewsonTVeveryday.
3）pay多表示花费金钱，主语通常是人，常用于sb.paysomemoneyforsth.句型。
e.g.Tommypaid20yuanforhisbreakfastyesterday.
4）cost多表示花费金钱，主语通常是物，常用于sth.costsomemoney.句型。
e.g.ThenewdresscostLinda88yuan.
根据句意用take,spend,pay或cost的适当形式填空。
）Thatnewcar________themlotsofmoney.
2）mona__________50yuanonthebooksjustnow.
3）Itusually_______meanhourtodomyhomework.
4）youshould__________sometimepractisingyourpronunciation.
5）mybrother_______6,000yuanforthenewcomputeryesterday.
keyscost
spent
takes
spend
paid
3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!
makeadifference
表示产生影响或作用
e.g.Doyouthinkhiswordswouldmakeanydifferencetothefinaldecision?
你认为他的话会对最后的决定产生影响吗？
ThenewteacheralwaysencourageslittleTom.Thishasmadeabigdifference
tohim.
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。
）we’retrying_______theearth.
2）Thereusedto_____cleanandbeautiful.
3）Therearetoomany______for________tocatch.
4）It’sbadforenvironmenttouse_________chopsticks.
keys:
tosave
be
fish
fishermen
wooden
XII.Thinkabout
Theearthisbadlypolluted.Pleasemakeaposterandthinkofwhatwecando.
XIII.Homework
.copythenewwordsandrememberthem.
2.Readthelisteningmaterialsof1b,2a.
SectionA2
I.Revision
Role-play2d.
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
Teachertellsstudentstheearthisbadlypolluted.whatshouldwedotosavetheearth?
Let’stakeaction.Forexample:
①Turnoffthelightswhenyouleavearoom;
②Takebusesinsteadofdrivingcars
③Recyclebooksandpaper.
Therearesomeanimalsareendangered.weshoulddosomethingtoprotecttheanimalsandtheenvironment!
III.Discussion
Haveyoueverseenashark?
whatdoyouknowaboutsharks?
IV.Reading
Sharksareendangered,readthepassageandjudgethesentences.
①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.
②wehavetokillawholesharktogetabowlofshark’sfinsoup.
③Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.
④Sharksareinthebottomofthefoodchainintheocean’secosystem.
⑤wildAidandthewwFareenvironmentalprotectiongroupsinchina.
⑥Shark’sfinsaregoodforhealth.
completethefactsheetin3a.
wheresharkfinsoupispopular
Numberofsharkscaught
andtradedeveryyear
Howmuchthenumbersof
somekindsofsharkshave
falleninthelast20to30
years
Twoenvironmentalgroups
whichareagainst“finning”
V.Practice
Readthepassageanddillintheblankswiththewordsinthebox.
.manypeopledonotrealizetheyarekillingawholeshark______they
enjoyabowlofsharkfinsoup.
2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.
3.manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.
4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.
5.Sharksmaydisappearoneday___w
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