Unit13SectionA(1a-2d)課件人教版英語九年級全一冊

Unit13We'retryingtosavetheearth!SectionA(1a~2d)新課導入Endangeredanimals

DesertificationNaturaldisastersTheworld'sproblemsPollution新課導入PollutionWhatkindofpollutionarethey?noisepollutionwater

pollutionairpollution新課導入FreeTalkWhatcausedairpollution,noisepollutionandwaterpollution?

LanguageGoal新知學習課堂小結(jié)當堂檢測學習目標重點研討1. 能記住并正確運用本課時的重點單詞和短語2. 能運用關(guān)于環(huán)境污染的詞匯及句式清楚地表達環(huán)境問題及解決方法新知學習課堂小結(jié)當堂檢測學習目標重點研討1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.

新知學習課堂小結(jié)當堂檢測學習目標重點研討noisepollution________________________________________________airpollution____________________________________________waterpollution________________________________________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones新知學習課堂小結(jié)當堂檢測學習目標重點研討Thegeneralideaoftheconversationisabout__________.A.healthproblemsB.airpollutionC.waterpollutionPre-listeningListenandanswerthequestions.新知學習課堂小結(jié)當堂檢測學習目標重點研討1bWhatwastheproblem?Theriverwas__________.Eventhebottom(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(漁民)tocatch.reallydirtyrubbishfish新知學習課堂小結(jié)當堂檢測學習目標重點研討Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe__________andaskthemto___________thefactories.Everyoneshouldhelpto________theriver.litterwastegovernmentclosedowncleanup新知學習課堂小結(jié)當堂檢測學習目標重點研討Listenagainandanswerthequestions.WhatdoesTonywanttodolaterthisafternoon?Whydoesn’tMarkwanttogowithTony?Howwastheriverinthepast?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.Itusedtobesoclean.Ithasbeenthenicestriverinthistown.新知學習課堂小結(jié)當堂檢測學習目標重點研討1cRole-playtheconversation.E.g.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!新知學習課堂小結(jié)當堂檢測學習目標重點研討Consolidation

Tonywantstogo_________intheriverwithMarkthisafternoon.ButMarkdoesn’twanttogo,_______hewenttherelastweekendandtheriverwasreally______.Eventhe______oftheriverwasfullof_______,andtherewerenomorefishforfishermento_______.Tonythinkstheriverusedtobeso______.Ithasalwaysbeenthe_______(nice)riverinthistown.MarktellsTonythatpeoplearethrowing_____(垃圾）intotheriver.Factoriesarealsoputting_____(廢氣物)intotheriver.Theydecidetowritetothe__________(政府）andhopethatitcould_________(關(guān)閉）thefactories.Theyalsothinkthateveryoneshouldhelpto________(清理)theriverandplaya______(發(fā)揮作用）inprotectingtheenvironment.swimmingbecausedirtybottomrubbishcatchcleannicestlitterwastegovernmentclosedowncleanuppartRetelltheconversation.新知學習課堂小結(jié)當堂檢測學習目標重點研討2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.

A.landpollutionB.airpollutionC.noisepollutionD.waterpollution新知學習課堂小結(jié)當堂檢測學習目標重點研討2bTheairisbadlypollutedbecausethereare__________ontheroadthesedays.Factoriesthatburncoalalso_______theairwithalotofblacksmoke.Thereisalsotoomuchrubbishandwaste.People________________thingseveryday.Peoplearealsolitteringin____________likeparks.Thisisturningbeautifulplacesintouglyones.morecarspollutearethrowingawaypublicplaces新知學習課堂小結(jié)當堂檢測學習目標重點研討1.Whoistheinterviewertalkingto?2.Whataretheytalkingabout?3.Whatotherproblemsdotheysee?SusanandJason.Theenvironmentalproblems.There’stoomuchrubbishandwasteinthestreets.Listenagainandanswerthequestions.新知學習課堂小結(jié)當堂檢測學習目標重點研討Pair

work2cUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.

Yes,Iusedtobeabletoseethestarsinthesky.Theproblemisthatthere’remorecarsontheroadthesedaysandfactoriesthatburncoalalsopollutetheairwithalotofblacksmoke.新知學習課堂小結(jié)當堂檢測學習目標重點研討2dProblemsSolvingproblemsairpollutionwastepollutionrubbishtakethebus,subwayorrideabikeinsteadofdrivingbringabagtogoshopping,nevertakewoodenchopsticksorplasticforksbutusetheonesathomewhilebuyingtakewayfoodthrowrubbishinthebins新知學習課堂小結(jié)當堂檢測學習目標重點研討2dRole-playtheconversation.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslike

bringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.新知學習課堂小結(jié)當堂檢測學習目標重點研討Jason:Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeep

publicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakea

differenceandleadtobetter

future!新知學習課堂小結(jié)當堂檢測學習目標重點研討GroupworkWhatshouldwedotosavetheearth?Discussingroups.發(fā)出倡議書Makeaproposal新知學習課堂小結(jié)當堂檢測學習目標重點研討Turnoffthelightswhenyouleavearoom.新知學習課堂小結(jié)當堂檢測學習目標重點研討Reducedrivingcars新知學習課堂小結(jié)當堂檢測學習目標重點研討stopusingpapertowelsornapkins

n.餐巾,餐巾紙新知學習課堂小結(jié)當堂檢測學習目標重點研討recycle

booksandpaperv.回收利用;再利用新知學習課堂小結(jié)當堂檢測學習目標重點研討Languagepoints1We’retryingtosavetheearth!

我們正在竭盡全力拯救地球!

trytodosth.=tryone’sbesttodosth.

努力去做某事。

e.g.Everystudentshouldtrytostudyhardinordertostudyinagooduniversity.為了進入一所好大學學習，每個學生都應該努力學習。新知學習課堂小結(jié)當堂檢測學習目標重點研討2Herearesomewordsrelatedtodifferentkindsofpollution.這里有一些與不同類型的污染有關(guān)的詞。berelatedto與……有關(guān)

e.g.

Iamnot

related

to

himinanyway.

我和他無任何關(guān)系。新知學習課堂小結(jié)當堂檢測學習目標重點研討3Everyoneinthistownshouldplayapart

incleaningitup!這個鎮(zhèn)上的每個人都應該參與清理工作！

playapartin在……方面起作用

e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.健康的飲食在幫助人們長壽方面起著非常大的作用。新知學習課堂小結(jié)當堂檢測學習目標重點研討4Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可數(shù)名詞。rubbish指“沒用的東西(被扔或?qū)⒁獊G棄的無用的東西)”不可回收。新知學習課堂小結(jié)當堂檢測學習目標重點研討litter指“(室內(nèi)或公共場所)亂扔的廢物(紙屑、不要的包裝紙、廢瓶等)”還可回收。e.g.Throwtherubbishout.

把垃圾扔出去。

Theroomisfullofrubbish.

房間里堆滿了垃圾。

Pickupyourlitterafterapicnic.

野餐后將廢棄物收拾好。新知學習課堂小結(jié)當堂檢測學習目標重點研討5Thisisturningbeautifulplacesintougly

ones.這將美麗的地方變成丑陋的地方。turn…into…把……變成……e.g.Theicyrainseemedliketoturnintosnow.

凍雨似乎又變成雪花的模樣。新知學習課堂小結(jié)當堂檢測學習目標重點研討6It’sgoodforhealthanditdoesn’tcostanything!它有益于健康，而且不花任何費用！

costv.花費；使付出指花費金錢，主語通常是物。cost的過去式和過去分詞均為cost。新知學習課堂小結(jié)當堂檢測學習目標重點研討【拓展】take,spend,pay&cost1)take多表示花費時間，常用于Ittakessb.sometimetodosth.這一句型中，其中it作形式主語。

e.g.Itusuallytakesme40minutestocookthedinner.2)spend多表示花費時間和金錢，主語通常是人，常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.兩種句型。

e.g.Davidspent2,000yuanonthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.新知學習課堂小結(jié)當堂檢測學習目標重點研討3)pay多表示花費金錢，主語通常是人，常用于sb.pay(s)somemoneyforsth.句型。

e.g.Tommypaid20yuan

forhisbreakfastyesterday.4)cost多表示花費金錢，主語通常是物，常用于sth.cost(s)(sb.)somemoney句型。

e.g.ThenewdresscostLinda88yuan.新知學習課堂小結(jié)當堂檢測學習目標重點研討7Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!makeadifference(to…)(對……)產(chǎn)生影響或作用

e.g.Doyouthinkhiswordswouldmake

anydifference

tothefinaldecision?

你認為他的話會對最后的決定產(chǎn)生影響嗎？

ThenewteacheralwaysencourageslittleTom.Thishas

madea

big

differenceto

him.新來的老師總是鼓勵小湯姆。這對他影響很大。能運用關(guān)于環(huán)境污染的詞匯及句式清楚地表達環(huán)境問題及解決方法

重要短語：trytodosth.=tryone’sbesttodosth.努力去做某事。be