九年級英語上冊教案 Unit 13 Were trying to save the earth

Unit13We,retryingtosavetheearth

一、教材分析

本單元帶領(lǐng)學(xué)生了解了一些有關(guān)地球污染，動(dòng)物瀕危等問題。并且教給大家如何保護(hù)瀕危

動(dòng)物，如何通過回收利用等方式來保護(hù)地球。本單元分為sectionAandsectionB兩個(gè)部

分。本課為第一課時(shí)帶領(lǐng)大家了解地球污染問題，以及探討如何保護(hù)地球，減少污染。

二、三維目標(biāo)

(-)知識與技能

1.Tolearnthefollowingwordsandexpressions,bottom,coal,p,ublic,ugly,cost,

advantage,method,cruel,harmful,afford.

2.TounderstandthepasageonPage99.

(二)過程和方法

3.Togetageneralknowledgeofpollutionbyreadingandrole-play.

4.Toknowabouthowtoreducepollutionthroughdiscussion.

(三)情感態(tài)度和價(jià)值觀

5.Afterlearningthispart,everystudentwillbeawareoftheserioussituation

ofpullutionanddeterminedtotakeactiontoprotectourearthfronnowon.

三、教學(xué)重點(diǎn)

1.Howtousethefollowingwordsandexpressions:cost,advantage,harmful,afford,

usedto,playapartin???

2.tounderstandthepassageonPage99.

四、教學(xué)難點(diǎn)

1.Howtousethefollowingwordsandexpressions:cost,advantage,harmful,afford,

usedto,playapartin???

2.tounderstandthepassageonPage99.

五、教學(xué)策略

根據(jù)本課教學(xué)目標(biāo)和重點(diǎn)內(nèi)容，教師可采用聽，讀，小組討論，角色扮演等活動(dòng)來引導(dǎo)學(xué)

生進(jìn)行學(xué)習(xí)。

六、教學(xué)準(zhǔn)備

ppt,recorder,mutiple-media

七、教學(xué)環(huán)節(jié)

1、課堂導(dǎo)入

Step1Lead-in

1)Showsomepicturesaboutpollutionandaskstudentstodiscusswhat,.sthe

danger,ofeachkindofpollution.

2)Herearesomewordsarerelatedtodifferentkindsofpollution.Writethem

intheboxbelow,andyoucanaddmorewords.

loudmusic,littering,buildinghouses,cars,ships,mobilephones,rubbish,

factories,planes,smoking.

AirpollutionNoisepollutionWater

3)Role-playthefollowingconversationandmakeyourownconversationsabout

thekindsofpollutionabove.

A:Theriverwasdirty.Eventhebottomoftheriverisfullofrubbish.

B:Butitusedtobesoclean.

A:Yes,butpeoplearelitteringintheriver.

B:Everyoneinthetownshouldplayapartincleaningitup.

2、課堂講授

Step2.Reading

1)Fast-reading

Nowturntopage99andreadthepagequicklytofindanswerstothesheet.

QuestionsAnswers

Whereshark,sfinsoupispopularSouthernChina

Numbersofsharkscaughtandtraded70million

everyyear

Howmuchthenumbersofsomekindsofover90.percent

sharkshavefalleninthelast20^30

years.

TwoenvironmentgroupswhichareagainstWildAidandtheWWF

finning

2)careful-reading

Readthepassageagainandfillinblanks.

so,although,ifbut,when

①M(fèi)anypeopledonotrealizetheyarekillingawholesharktheyenjoy

abowlofshark,sfinsoup.

②Sharksareatthetopofthefoodchain,iftheirnumbersdrop,

theocean,secosystemwillbeindanger.

③Manythinkthatsharksaretoostrongtobeendangered,theyarewrong.

(4)therearenoScienfiticstudiestosupportthis,alotofpeople

believethatshark,sfinsaregoodforhealth.

⑤Sharksmaydisappearonedaywedonotdosomethingtostopthesale

ofshark,sfins.

Possibleanswers:when,so,but,although,if

3)Studyingusefulwordsandexpressions.

①costV價(jià)錢為，花費(fèi)n.價(jià)錢，代價(jià)；花費(fèi)，費(fèi)用

Thecostofaloafofbreadhasincreasedfive-fold..一條面包的價(jià)錢增長了4

倍。

Badgesarealsoavailableatacostof￡2.50.徽章也有賣的，2.5英鎊一枚。

,

Itsgoingtocostmeover$100,0r00tobuynewtrucks.

買幾輛新卡車將花掉我10萬多美元。

②harmfuladj.對…有害的；能造成損害的；不利；不良

Smokingisharmfultoourhealth.

吸煙對人.類的健康有害。

③usedtodo過去一向，過去時(shí)常，過去曾（而現(xiàn)在不再）做

WhousedtodoyourIaUndry?誰過去一直為你洗衣服？

Sheusedtowashdishesinarestaurant.她曾經(jīng)在餐館里洗過盤子。

④affordvt.買得起；擔(dān)負(fù)得起；提供；給予

Wecouldn,taffordtobuyanewcar.我們買不起新的車。

Wecan,taffordtowait.我們等不起。

Myparentscan,tevenaffordanewrefrigerator.

我父母甚至買不起,一臺(tái)新冰箱。

⑤playapartin扮演某角色;與…有關(guān)，對…有影響

Γdliketoplayapartintheirdiscussion.我.愿意參與他們的討論。

Educationisplayingabigpartinenvironmentalprotection.

教育在環(huán)境保護(hù)中起著很大作用。

HeplayedapartinhisfavoriteTVshow.

他在他最喜歡的電視節(jié)目中扮演了一個(gè)角色。

3、課堂練習(xí)

Step3Exercises

Translatethefollowingphrases:

1.對…有害

2.買得起…..

3.在……中起作用

4.過去常常

5.解決問題

6.起作用

7.聽說

8.在……頂部

9.在……底部

10.切下，割下

4、課堂活動(dòng)

Step4Activities?

Inyourgroupmakealistofthingspeoplecandotohelptheenvironment.

5、課堂小結(jié)

Step5.Summarize

Lookbackonwhatwehavelearned.

1.Howtoprotectenvironment.

2.UsefrU1languages:beharmfulto,atthetopof,atthebottomof.Solve

problems--,

6、作業(yè)布置

Homework:makeaconversationwithyourparnteraboutwhatyoucandotoreduce

pollution.

八、板書設(shè)計(jì)

Unit13We,retryingtosavetheearth

1.cost:Vsth.costmoney

2.harmful:beharmfulto

3.usedto:usedtodo

4.afford:affordsth./affordtodo

5.playapartin

九、教學(xué)反思

通過本課學(xué)習(xí)，學(xué)生們了解了污染以及污染帶來的危害，以及保護(hù)動(dòng)物的必要性。學(xué)完本

課后，同學(xué)們要積極行動(dòng)起來，為保護(hù)環(huán)境，保護(hù)動(dòng)物作貢獻(xiàn)。

Unit13We'retryingtosavetheearth

教材分析

本單元帶領(lǐng)學(xué)生了解了一些有關(guān)地球污染，動(dòng)物瀕危等問題。并且教給大家如何保護(hù)瀕危

動(dòng)物，如何通過回收利用等方式來保護(hù)地球。本單元主要復(fù)習(xí)語法內(nèi)容為情態(tài)動(dòng)詞和動(dòng)詞形

式變化。本課主要帶領(lǐng)大家進(jìn)行語法復(fù)習(xí)，鞏固語法知識。

十、三維目標(biāo)

（-）知識與技能

1.Tolearndifferentformsofverb.

2.ToundrerstandtheuseofModalVerbs.

（二）過程和方法

3.Toknowhowtousedifferentformsofverbindifferentsituations.

4.ToknowhowtouseModalVerbsindifferentsituations.

（三）情感態(tài)度和價(jià)值觀

5.Afterlearningthispart,everystudentwillbeabletodescribetheirawareness

oftheserioussituationofpullutionandsolutionstoenvironmentalproblems

usingwhatwehavelearnedinthislesson.

教學(xué)重點(diǎn)

1.Tochangeformsofverbaccordingtospecificsituation.

2.TouseModalVerbsproperly.

教學(xué)難點(diǎn)

1.Tochangeformsofverbaccordingtospecificsituation.

2.TouseModalVerbsproperly.

十一、教學(xué)策略

根據(jù)本課教學(xué)目標(biāo)和重點(diǎn)內(nèi)容，教師可采用讀，小組討論，口頭及書面練習(xí)等活動(dòng)來引導(dǎo)

學(xué)生進(jìn)行學(xué)習(xí)。

十二、教學(xué)準(zhǔn)備

ppt,recorder,mutiple-media

十三、教學(xué)環(huán)節(jié)

7、課堂導(dǎo)入

Step1Lead-in

判斷下列句子中使用了什么時(shí)態(tài)及情態(tài)動(dòng)詞。

1.Wearetryingtosavetheearth.

2.Theriverusedtobesoclean.

3.Itwasconsideredthenicestriverinthetown.

4.Theairhasbecomereallypolluted.?

5.Weshouldhelpsavewthesharks.

Answers:1.現(xiàn)在進(jìn)行時(shí)2.usedto3.一般過去時(shí)的被動(dòng)語態(tài)4.現(xiàn)在完成時(shí)5.should

8、課堂講授

Step2.Presentation

1)Reviewdifferentformsofverb

ask現(xiàn)在時(shí)過去時(shí)將來時(shí)過去將來時(shí)

主動(dòng)語態(tài)should/would

ask/asksaskedshall/willask

ask

般被動(dòng)語態(tài)shall/willbe

am/is/areaskedwas/wereaskedshould/wouldbeasked

asked

主動(dòng)語態(tài)was/were

進(jìn)am/is/areasking

asking

行

被動(dòng)語態(tài)

主動(dòng)語態(tài)have/hasaskedhadasked

完

被動(dòng)語態(tài)have/hasbeen

成hadbeenasked

asked

2)ReviewModalverbs.

MainfunctionofModalVerbs.

①

can(could)表示能力，CoUId主要指過去時(shí)間；表示允許。

②

③may表允許，might可以指過去時(shí)間，也可指現(xiàn)在時(shí)間，語氣更委婉。

④must表示義務(wù)。意為“必須”(主觀意志)

⑤shall表征詢意見

⑥WiII表意愿，用于各種人稱陳述句；表請求，用于疑問句。

should/oughtto應(yīng)該

課堂練習(xí)

Stepr3Exercises

1)Fillinblankswiththecorrectformsofverbs.

Interviewer:youever(take)partinanenvironmentalproject?

Ken:Yes,Ihave.I(help)withaClean-UpDaylastyear.Itwas

(consider)thebiggestclean-upprojectthiscity

ever(have).

Interviewer:Howmanypeople(take)part?

Ken:I(think)morethan1,OOOpeople(come)tohelpout.

Interviewer:That,sfantastic!Iguesseveryoneinthiscityis(try)

toimprovetheenvironment.

Ken:Yes,evertoneshould______,(play)apartinkeepingthecityclean.

Possibleanswers:Havetaken,helped,considered,hadhad,took,think,came,trying.,

play

2)Fillinblankswithpropermodalverbs.

Canwouldcouldhavetoshouldmight/maymust

Whenitcomestosavingtheearth,peoplethinkthatbigthingsbe.

done.However,manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,

Yousaveelectricitybyturningoffthelightswhenyouleavearoom.You

ralsousepaperorreusablebagsinsteadofplasticbags.Insomestores,you

nowpayforplasticbags.Ithinkthisisagreatidea.Andinsteadof

drivingtoschoolorwork,you________rideyourbikeorwalk.Ifit,sfar,you

takethebus.Allthesesmallthingsaddupandbecamebigthings

thatimprovetheenvironment.Wecan,taffordtowaitanylongerbefore

takingaction.

Possibleanswers:may,can,t,can,could,haveto,may/might,should,would,must

10、課堂活動(dòng)

Step4Activities?

Inyourgroupmakealistofthingspeoplecandotohelptheenvironmentandpresent

them.

Youcanusefollowing,examples:

1)Weshouldusepublictransportation.

2)wemustsavewater.

3)…

11、課堂小結(jié)

Step5.Summarize

Lookbackonwhatwehavelearned.

1)動(dòng)詞的各種時(shí)態(tài)語態(tài)的變形。

do現(xiàn)在時(shí)過去時(shí)將來時(shí)過去將來時(shí)

should/would

do/doesdidsrhall∕willdo

do

般被動(dòng)語態(tài)shall/willbe

am/is/aredonewas/weredoneshould/wouldbedone

done

進(jìn)主動(dòng)語態(tài)am/is/aredoingwas/weredoing

行被動(dòng)語態(tài)

主動(dòng)語態(tài)have/hasdonehaddone

完

被動(dòng)語態(tài)have/hasbeen

成hadbeendone

done

2

①

②can(could)表示能力，could主要指過去時(shí)間；表示允許。

⑨may表允許，might可以指過去時(shí)間，也可指現(xiàn)在時(shí)間，語氣更委婉。

Qmust表示義務(wù)。意為“必須”(主觀意.志)

⑤shall表征詢意見

Win表意愿，用于各種人稱陳述句；表請求，用于疑問句。

@.should/oughtto應(yīng)該

12、作業(yè)布置

Homework:ReviewthislessonandpreviewSectionB.

十四、板書設(shè)計(jì)

Unit13Weretryingtosavetheearth

1.被動(dòng)語態(tài)的構(gòu)成

2.情態(tài)動(dòng)詞：φ.can(could)

-五、教學(xué)反榜may

通過本課學(xué)習(xí)，房繳搟一步了解了動(dòng)詞各種形勢變化，及情態(tài)動(dòng)詞用法。

U≡itvifl3We,retryingtosavetheearth

?住」.八?-should/oughtto

打材分析wx

本單兀帶領(lǐng)學(xué)生了解了一些有關(guān)地球污染，動(dòng)物瀕危等問題。并教給大冢血何保護(hù)瀕危

動(dòng)物，如何通過回收利用等方式來保護(hù)地球。本單元分為sectionAandsectionB兩個(gè)部

分。本課為第三課時(shí)帶領(lǐng)大家了解我們能為地球做些什么。

三維目標(biāo)

(-)知識與技能

1.Tolearnthefollowingwordsandexpressions,gate,bottle,president,,metal

等。

2.TounderstandthepasageonPage102.

(二)過程和方法

3.Togetageneralknowledgeof,pollutionbyreadingandrole-play.

4.Toknowabouthowtoreducepollutionthroughdiscussion.

(三)情感態(tài)度和價(jià)值觀

5.Afterlearningthispart,everystudentwillbeawareoftheserioussituation

ofpullutionanddeterminedtotakeactiontoprotectourearthfronnowron.

十六、教學(xué)重點(diǎn)

1.Toknowthefollowingwords:gate,bottle,president,,metal,puttogooduse,

setup,knownfor,pulldown,notonjy???butalso等

2.tounderstandthepassageonPage102.

十七、教學(xué)難點(diǎn)

1.Toknowthefollowingwords:gate,bottle,president,,metal,puttogooduse,

setup,knownfor,pullrdown,notonly???butalao等

2.tounderstandthepassageonPage102.

十八、教學(xué)策略

根據(jù)本課教學(xué)目標(biāo)和重點(diǎn)內(nèi)容，教師可采用聽，讀，小組討論，角色扮演等活動(dòng)來引導(dǎo)學(xué)

生進(jìn)行學(xué),習(xí)。

十九、教學(xué)準(zhǔn)備

ppt,recrorder,mutiple-media

二十、教學(xué)環(huán)節(jié)

13、課堂導(dǎo)入

Step1Lead-in

Discussion:whatcanwedotohelpsavetheplanet?Ranktheseitemsfromtheeasist

(1)tothemostdifficult(5).

stopridingincars.

recyclebooksandpapers.

Turnoffthelightswhenyouleavearoom.

Turnofftheshowerwhenyouwashingyourhair.

Don,tusepapernapkins.

Possibleanswers:53124

14、課堂講授

Step2.Reading

1)Fast-reading

Nowturntopage102andreadthepagequicklytofindanswerstothechart.

NameWhatmaterialsdidtheyWhatdidtheymake?

use?

Answers:

NameWhatmaterialsdidtheyWhatdidtheymake?

use?

AmyHayesOld,boat,rocks,oldgalssAhouse

bottles,materialsfrom

oldhouses

JessicaWorngOldclothesbags

WangTaoIronandothermaterialsArtpieces

fronoldcars

2)careful-reading

Raedthepassageagainandfillinblanks.

puttogooduse,setup,knownfor,pulldown,notonly???butalao,build???outof

①AmyHayeslivesintheUk.Manyoftheoldbuildingsinherneighborhoodwere

②AlltherubbishandoldthingsinAmy,sneighborhoodwerethenwhen

Amybuiltherhouse.

③Amyisverycreativeandsheherfrontgatetrocks

andoldglassbottles.Sheputanoldboatontopofherhouse.

(4)JessicaWongsellsherbagsinasmallshop,butshealsoonline

businesstosellthem.

,

⑤ThoughJessicaSbagsaremadefromoldclothes,herbagsarer

beingcuteanduseful.

⑥WangTaromakeslargepiecesofmetalartthatlooklikehumansor

animals,makesmallerpiecesforthehome.

Possibleanswers:pulleddown,puttogooduse,builtoutof,setup,knownfor,not

only???butalso

3)Studyingusefulwordsandexpressions.

①put-intouse:應(yīng)用；利用；投入使用

Thefirstdigitalcomputerwasputintousein1944.

一九四四年,第一臺(tái)二位制計(jì)算機(jī)投入了使用.

Thenewlybuiltwaitingbuildingwasputintousetoday.

這座新建的候機(jī)樓今起啟用.

②setup豎立；升起；建立；設(shè)立；創(chuàng)立；創(chuàng)造(紀(jì)錄等)

Theysetupsomestonesaslandmarks.他們豎起一些石頭當(dāng)界碑。

Theschoolhassetupaspecialclasstohelppoorreaders.

TheFrenchteamsetupanewrecordattonight,smeeting.

③knownfor:以…而著名，出名，以見長

Mrs.brownisknown,forherhospitality.

布朗夫人以其好客聞名。

Londonusedtobeacityknownforits“blackfogs.”

倫敦的“黑霧”一向聞名。

Beknownas:以作為…而著稱

Nowhewasknownasast