Unit 13 We are trying to save the earth人教版新目标英语九年级教学设计 初三教案.docx
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Unit13Wearetryingtosavetheearth人教版新目标英语九年级教学设计初三教案
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:
SectionA1（1a-2d）
I.Presentation
Showthepictureoftheearthandtellstudentstheearthispollutednow.
Forexample:
（1）Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.
（2）Factoriesputwasteintotheriver.
（3）Peopleshouldthrowawaylitterinthebin.
（4）Therearemorecarsontheroad.
II.Learning
Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.
loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones
noisepollutionairpollutionwaterpollution
____________________________________
____________________________________
____________________________________
____________________________________
Keys :
noisepollutionloudmusicplanesmobilephonesbuildinghouses
airpollutionfactoriessmokingcarsbuildinghouses
waterpollutionshipsrubbishlitteringfactories
III.Listening
1.1bListenandcompletethesentences.
Whatwastheproblem?
Theriverwas_____________.Eventhebottom（底部）oftheriverwasfullof________.Therewerenomore______forfishermen（渔民）tocatch.
Whatcausedtheproblem?
Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.
Howshouldtheproblembesolved?
Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.
Keys:
reallydirtyrubbishfishlitterwastegovernment
closedowncleanup
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’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. Iamnot related to himinanyway.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（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.airpollution
C.noisepollutionD.waterpollution
Keys:
BA
2.2bListenagainandcompletethesentences.
1）Theairisbadlypollutedbecausethereare___________ontheroadthesedays.
2）Factoriesthatburncoalalso________theairwithalotofblacksmoke.
3）Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.
4）Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintougly（丑陋）ones.
Keys:
morecarspollutearethrowingawaypublicplaces
3.Listenandanswerthequestions.
1）Whoistheinterviewertalkingto?
2）Whataretheytalking?
3）Whatotherproblemsdotheysee?
Keys:
SusanandJason.
Theenvironmentalproblems.
There’stoomuchrubbishandwasteinthestreets.
VII.Practice（2c）
Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.
Jason:
Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.
Susan:
Yes,Iusedtobeabletoseestarsinthesky.
Jason:
Theproblemisthat…
VIII.Discussion
Askstudentswhatweshoulddotosavetheearth.Helpstudentsanswer,turnoffthe
lightswhenyouleavearoom;stopridingincars;stopusingpapertowelsornapkins;recyclebooksandpaper.
IX.Reading
1.Read2dandcompletethechart.
Problems
Solvingproblems
airpollution
wastepollution
wooden（木头的）chopsticksorplasticforks
rubbish
2.Role-playtheconversation.
Interviewer:
JasonandSusan,whatareyourideasforsolvingtheseproblems?
Jason:
Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.
Susan:
Yeah,orrideabike.Thereareotheradvantages（优点）ofbikeriding.It’sgoodforhealthanditdoesn’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:
Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.
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,pay&cost
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）Thatnewcar________ themlotsofmoney.
2）Mona__________50yuanonthebooksjustnow.
3）Itusually_______ meanhourtodomyhomework.
4）Youshould__________ sometimepractisingyourpronunciation.
5）Mybrother_______ 6,000yuanforthenewcomputeryesterday.
Keyscost spent takesspendpaid
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.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。
1）We’retrying_______（save）theearth.
2）Thereusedto_____（be）cleanandbeautiful.
3）Therearetoomany______for________tocatch（fish）.
4）It’sbadforenvironmenttouse_________（wood）chopsticks.
Keys:
tosavebefishfishermenwooden
XII.Thinkabout
Theearthisbadlypolluted.Pleasemakeaposterandthinkofwhatwecando.
XIII.Homework
1.Copythenewwordsandrememberthem.
2.Readthelisteningmaterialsof1b,2a.
SectionA2（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
Recyclebooksandpaper.
（2）Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!
III.Discussion
（1）Haveyoueverseenashark?
（2）Whatdoyouknowaboutsharks?
IV.Reading
（1）Sharksareendangered,readthepassageandjudgethesentences.
①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld
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