英语人教版九年级全册U13 1A-2D.ppt

Unit13,Unit13Weretryingtosavetheearth!,SectionA11a-2d,Theearthispolluted.,airpollution,Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.,n.煤炭,Factoriesputwasteintotheriver.,waterpollution,mobilephonepollution,litterv.乱扔n.垃圾rubbishwaste垃圾，废弃物,Peopleshouldthrowawaylitterinthebin.,n.垃圾箱,noisepollution,Therearemorecarsontheroad.,1a,Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.,noisepollution_,airpollution_,waterpollution_,loudmusic,planes,mobilephones,factories,cars,smoking,ships,factories,littering,rubbish,buildinghouses,buildinghouses,1b,Listenandcompletethesentences.,reallydirty,rubbish,fish,litter,waste,government,closedown,cleanup,Listenagainandanswerthefollowingquestions.,WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.,2.WhydoesntMarkwanttogowithTony?Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.3.Howwastheriverinthepast?Itusedtobesoclean.Ithasbeenthenicestriverinthistown.,1c,Role-playtheconversation,Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.,Butitusedtobesoclean!,Yes,butpeoplearethrowinglitterintotheriver.,Everyoneinthistownshouldplayapartincleaningitup!,Practice,Makeconversationsusingthewordsin1a.,Theriverhasalwaysbeenthenicestriverinthistown.,Yes,itusedtobesoclean.,Whatcausedtheproblem?,ButIwastherelastweekendandtheriverwasreallydirty.,Factoriesarealsoputtingwasteintotheriver.,Peoplearethrowinglitterintotheriver.,Whatshouldwedo?,Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.,Whatelsecanwedo?,Everyoneshouldhelptocleanuptheriver.,1.Weretryingtosavetheearth!我们正在竭尽全力拯救地球!trytodo=tryonesbesttodo努力去做某事e.g.Welltrytofinishtheworkinaweek.我们将努力在一周内完成这项工作。,Languagepoints,【运用】我会尽力做好这项工作。_,Illtrytodotheworkwell.,2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与有关e.g.Isthedriverrelatetotheaccident?司机和这起事故有关吗？,3.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。【运用】根据句意用rubbish或litter完成句子。1.Throwthe_out.把垃圾扔出去。2.Theroomisfullof_.房间里堆满了垃圾。3.Pickupyour_afterapicnic.野餐后将废弃物收拾好。,rubbish,rubbish,litter,2a,Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.,landpollutionB.airpollutionC.noisepollutionD.waterpollution,2b,Listenagainandcompletethesentences.,1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.,morecars,pollute,3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisisturningbeautifulplacesintougly(丑陋)ones.,arethrowingaway,publicplaces,Completethesentencesaccordingtothedialogue.1.I_abletoseestarsinthesky,butnowIcantseethemclearly.2.Theair_really_aroundthere.3.Peoplearealso_inthepublicplaces.4.Thefactoriesthatburn_also_theairwithalotofblacksmoke.,usedtobe,hasbecome,polluted,littering,coal,pollute,Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.,2c,Theairhasbecomereallypollutedaroundhere.Imgettingveryworried.,Yes,Iusedtobeabletoseestarsinthesky.,Theproblemisthat,Whatshouldwedotosavetheearth?,Turnoffthelightswhenyouleavearoom.,关掉,stopridingincars,stopusingpapertowelsornapkinsn.餐巾,餐巾纸,recyclebooksandpaper,v.回收利用;再利用,2d,Read2dandcompletethechart.,takethebus,subwayorrideabikeinsteadofdriving,bringabagtogoshopping,nevertakewooden(木头的)chopsticksorplasticforkswhenbuyingtakeawayfood,throwrubbishinthebins,Role-playtheconversation,JasonandSusan,whatareyourideasforsolvingtheseproblems?,Yeah,orrideabike.Thereareotheradvantages(优点)ofbikeriding.Itsgoodforhealthanditdoesntcost(花费)anything!,Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.,Greatideas!Whataboutwastepollution?,Me,too.Also,Inevertakewoodenchopsticksorplastic(塑料)forkswhenIbuytakeaway(外卖食物)food.Iusetheonesathome.,Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.,Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.,Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!,1.Itsgoodforhealthanditdoesntcostanything!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？,Languagepoints,take,spend,pay&costtake，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)readingthenewspapereveryday.,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.ThenewdresscostLinda80yuan.,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.,cost,spent,takes,4.Youshould_sometimepractisingyourpronunciation.5.Mybrother_3,000yuanforthenewcomputeryesterday.,spend,paid,2.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!makeadifference(to)表示(对)产生影响或作用e.g.LearningEnglishwellcanmakeadifferencetoyourfuture.学好英语会对你的前途有影响。,【拓展】makenodifferenceto意为“对没有影响”；makesomedifferenceto意为“对有一些影响”。如：Itmakesnodifferencewhetheryougotodayortomorrow.Theseaairhasmadesomedifferencetoherhealth.,【运用】根据汉语意思完成英语句子，每空词数不限。(1)那场雨没对运动会造成重大影响。Thatraindidn