Unit13SectionA(1a-2d)课件人教版英语九年级全一册

Unit13We'retryingtosavetheearth!SectionA(1a~2d)新课导入Endangeredanimals

DesertificationNaturaldisastersTheworld'sproblemsPollution新课导入PollutionWhatkindofpollutionarethey?noisepollutionwater

pollutionairpollution新课导入FreeTalkWhatcausedairpollution,noisepollutionandwaterpollution?

LanguageGoal新知学习课堂小结当堂检测学习目标重点研讨1. 能记住并正确运用本课时的重点单词和短语2. 能运用关于环境污染的词汇及句式清楚地表达环境问题及解决方法新知学习课堂小结当堂检测学习目标重点研讨1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.

新知学习课堂小结当堂检测学习目标重点研讨noisepollution________________________________________________airpollution____________________________________________waterpollution________________________________________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones新知学习课堂小结当堂检测学习目标重点研讨Thegeneralideaoftheconversationisabout__________.A.healthproblemsB.airpollutionC.waterpollutionPre-listeningListenandanswerthequestions.新知学习课堂小结当堂检测学习目标重点研讨1bWhatwastheproblem?Theriverwas__________.Eventhebottom(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(渔民)tocatch.reallydirtyrubbishfish新知学习课堂小结当堂检测学习目标重点研讨Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe__________andaskthemto___________thefactories.Everyoneshouldhelpto________theriver.litterwastegovernmentclosedowncleanup新知学习课堂小结当堂检测学习目标重点研讨Listenagainandanswerthequestions.WhatdoesTonywanttodolaterthisafternoon?Whydoesn’tMarkwanttogowithTony?Howwastheriverinthepast?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.Itusedtobesoclean.Ithasbeenthenicestriverinthistown.新知学习课堂小结当堂检测学习目标重点研讨1cRole-playtheconversation.E.g.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!新知学习课堂小结当堂检测学习目标重点研讨Consolidation

Tonywantstogo_________intheriverwithMarkthisafternoon.ButMarkdoesn’twanttogo,_______hewenttherelastweekendandtheriverwasreally______.Eventhe______oftheriverwasfullof_______,andtherewerenomorefishforfishermento_______.Tonythinkstheriverusedtobeso______.Ithasalwaysbeenthe_______(nice)riverinthistown.MarktellsTonythatpeoplearethrowing_____(垃圾）intotheriver.Factoriesarealsoputting_____(废气物)intotheriver.Theydecidetowritetothe__________(政府）andhopethatitcould_________(关闭）thefactories.Theyalsothinkthateveryoneshouldhelpto________(清理)theriverandplaya______(发挥作用）inprotectingtheenvironment.swimmingbecausedirtybottomrubbishcatchcleannicestlitterwastegovernmentclosedowncleanuppartRetelltheconversation.新知学习课堂小结当堂检测学习目标重点研讨2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.

A.landpollutionB.airpollutionC.noisepollutionD.waterpollution新知学习课堂小结当堂检测学习目标重点研讨2bTheairisbadlypollutedbecausethereare__________ontheroadthesedays.Factoriesthatburncoalalso_______theairwithalotofblacksmoke.Thereisalsotoomuchrubbishandwaste.People________________thingseveryday.Peoplearealsolitteringin____________likeparks.Thisisturningbeautifulplacesintouglyones.morecarspollutearethrowingawaypublicplaces新知学习课堂小结当堂检测学习目标重点研讨1.Whoistheinterviewertalkingto?2.Whataretheytalkingabout?3.Whatotherproblemsdotheysee?SusanandJason.Theenvironmentalproblems.There’stoomuchrubbishandwasteinthestreets.Listenagainandanswerthequestions.新知学习课堂小结当堂检测学习目标重点研讨Pair

work2cUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.

Yes,Iusedtobeabletoseethestarsinthesky.Theproblemisthatthere’remorecarsontheroadthesedaysandfactoriesthatburncoalalsopollutetheairwithalotofblacksmoke.新知学习课堂小结当堂检测学习目标重点研讨2dProblemsSolvingproblemsairpollutionwastepollutionrubbishtakethebus,subwayorrideabikeinsteadofdrivingbringabagtogoshopping,nevertakewoodenchopsticksorplasticforksbutusetheonesathomewhilebuyingtakewayfoodthrowrubbishinthebins新知学习课堂小结当堂检测学习目标重点研讨2dRole-playtheconversation.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslike

bringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.新知学习课堂小结当堂检测学习目标重点研讨Jason:Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeep

publicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakea

differenceandleadtobetter

future!新知学习课堂小结当堂检测学习目标重点研讨GroupworkWhatshouldwedotosavetheearth?Discussingroups.发出倡议书Makeaproposal新知学习课堂小结当堂检测学习目标重点研讨Turnoffthelightswhenyouleavearoom.新知学习课堂小结当堂检测学习目标重点研讨Reducedrivingcars新知学习课堂小结当堂检测学习目标重点研讨stopusingpapertowelsornapkins

n.餐巾,餐巾纸新知学习课堂小结当堂检测学习目标重点研讨recycle

booksandpaperv.回收利用;再利用新知学习课堂小结当堂检测学习目标重点研讨Languagepoints1We’retryingtosavetheearth!

我们正在竭尽全力拯救地球!

trytodosth.=tryone’sbesttodosth.

努力去做某事。

e.g.Everystudentshouldtrytostudyhardinordertostudyinagooduniversity.为了进入一所好大学学习，每个学生都应该努力学习。新知学习课堂小结当堂检测学习目标重点研讨2Herearesomewordsrelatedtodifferentkindsofpollution.这里有一些与不同类型的污染有关的词。berelatedto与……有关

e.g.

Iamnot

related

to

himinanyway.

我和他无任何关系。新知学习课堂小结当堂检测学习目标重点研讨3Everyoneinthistownshouldplayapart

incleaningitup!这个镇上的每个人都应该参与清理工作！

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。新知学习课堂小结当堂检测学习目标重点研讨4Eventhebottomoftheriverwasfullofrubbish.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。新知学习课堂小结当堂检测学习目标重点研讨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。新知学习课堂小结当堂检测学习目标重点研讨5Thisisturningbeautifulplacesintougly

ones.这将美丽的地方变成丑陋的地方。turn…into…把……变成……e.g.Theicyrainseemedliketoturnintosnow.

冻雨似乎又变成雪花的模样。新知学习课堂小结当堂检测学习目标重点研讨6It’sgoodforhealthanditdoesn’tcostanything!它有益于健康，而且不花任何费用！

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。新知学习课堂小结当堂检测学习目标重点研讨【拓展】take,spend,pay&cost1)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.新知学习课堂小结当堂检测学习目标重点研讨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.Tommypaid20yuan

forhisbreakfastyesterday.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.新知学习课堂小结当堂检测学习目标重点研讨7Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!makeadifference(to…)(对……)产生影响或作用

e.g.Doyouthinkhiswordswouldmake

anydifference

tothefinaldecision?

你认为他的话会对最后的决定产生影响吗？

ThenewteacheralwaysencourageslittleTom.Thishas

madea

big

differenceto

him.新来的老师总是鼓励小汤姆。这对他影响很大。能运用关于环境污染的词汇及句式清楚地表达环境问题及解决方法

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