英语人教版九年级全册unit13 sectionA .ppt

Unit13Wearetryingtosavetheearth SectionA 1a 2d LanguageGoal Talkaboutpollutionandenvirnmentalprotection Objectives Totalkaboutairpollution waterpollutionandsoundpollution Tothinkaboutwaysofprotectingtheenvironment Tolearnthenewwords advantage scientific seriouspollution Weareharmingourplanetinsomanyways 伤害 airpollution soilpollution waterpollution theearthsongbyMichaelJackson Factoriespourdangerousgasesintotheair Carsalsopourdangerousgasesintotheair tailgas airpollution Theweatherisalwaysfoggy Wecan tseethebluesky Wecan tbreathethefreshair Doyouknowwhy Factoriesproducetoomuchdangeroussmoke Thetrafficproducestoomanyfumes Somepeoplesmokeinpublicplaces Dad what stheacidrain Naturalresourcesaredisappearingatadangerousrate 以危险的速度 GroupOne GroupTwo GroupThree desert 灭绝 extinct Helpsavetheearth Wemustthinkofbetterwaytotreatourplanetinfuture Whatdoyouusuallydo AreyouafriendoftheEarth Takethisquiz START Youdrinkacanofcola Whatdoyoudo Ithrowawaycans Irecyclecans Youthrowawaythecans That sbadfortheEarth Yourecyclethecans That sgoodfortheEarth Therearealotofoldnewspapersatyourhome Whatdoyoudo Ithrowtheoldnewspapersaway Irecycletheoldnewspapers Youthrowoldnewspapersaway Youwastepaper That sbadfortheEarth Yourecycleoldnewspapers Yousavepaper That sgoodfortheEarth Yougoshopping Whatdoyoudo Iusealotofnewplasticbags Iusemyownbag Youusealotofnewplasticbags That sbadfortheEarth Youuseyourownbag That sgoodfortheEarth Whenyouwriteonapieceofpaper whatdoyoudo Iwriteononesideonly Iwriteonbothsides Youusepaperononesideonly That sbadfortheEarth Youusepaperonbothsides That sgoodfortheEarth closedownthefactories helptocleanuptheriver takethebusorsubway rideabike bringabagtogoshopping throwrubbishinthecans turnoffthelightswhenyouleavearoom usepaperorresusablebags recyclebooksandpaper turnofftheshowerwhenyouwashyourhair don tusenapkins rethink reuse recycle solutions industryharmfulcostwoodenplasticaffort n 工业adj 有害的v 花费adj 木制的adj 塑料的v 支付的起 Wordsandexpressions makeadifferencetakepartinturnoffpayforcutdownleadto 起作用 有影响参加关掉付费 付出代价减少导致 Wordsandexpressions We retryingtosavetheearth 我们在努力拯救地球 Theriveusedtobesoclean 这河流过去是如此的清澈 Theairisbadlypolluted 空气被严重污染 Themethodisnotonlycruel butalsoharmfultotheenvironment 这种方法不仅残酷 而且对环境也有害 Sentences 基础预习写出下面单词的意思litter bottom fisherman ugly cost plastic coal advantage wooden 把下面的短语与汉语意思连起来 makeadiffenencecutdownleadtobefullofplayapartin 导致起作用减少参与充满 Herearesomewordsrelatedtodifferentkindsofpollution Writethemintheboxbelow Thenaddmorewords 1a noisepullotion airpollution waterpollution Listenandcompletethesentences 1b reallydirty rubbish fish litter waste government closedown cleanup Watchandread Role playtheconversation Thenmakeyourownconversationsaboutthekindsofpollutionin1a 1c 2a Listentotheinterview CirclethekindsofpollutionthatJasonandSusantalkabout A landpollutionB airpollutionC noisepollutionD waterpollution 1 Theairisbadlypollutedbecausethereare ontheroadthesedays 2 Factoriesthatburncoalalso theairwithalotofblacksmoke 3 Thereisalsotoomuchrubbishandwaste People thingsawayeveryday 4 Peoplearealsolitteringin likeparks Thisturnsbeautifulparksintouglyplaces morecar pollute arethrowingaway publicplaces 2b Listenagainandcompletethesentences Usetheinformationin2aand2btorole playconversationsbetweenJasonandSusan 2c Interviewer JasonandSusan whatareyourideasforsolvingtheseproblems Jason Well tocutdownairpollution weshouldtakethebusorsubwayinsteadofdriving Susan Yeah orrideabike Otheradvantagesofbikeridingarethatit sgoodforhealthanditdoesn tcostanything 2d Role playtheconversation Interviewer Greatideas Whataboutwastepollution Susan Mmm Ithinksimplethingslikebringingabagtogoshoppingcanhelp Istarteddoingthatayearago Jason Me too Also InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood Iusetheonesathome Susan Andremembertothrowrubbishinthecansandkeeppublicplacescleanandbeautifulforeveryone Interviewer Sotogether ouractionscanmakeadifferenceandleadtoabetterfuture Watchandread 辨析 turn get与become 1 become多指身份 职位等的变化 它强调变化过程已经完成 后面可以接名词或者形容词 Hebecomesateacher 2 get多用于口语 表示一种变化过程 强调的是 渐渐变化 后常接形容词的比较级形式 LanguagePoints Inwinterthedaysgetshorter 冬天白天渐渐变短 3 turn指的是在颜色和性质等方面与以前的完全不同 强调变化的结果 leavesturnedbrowninthemountains 山里的树叶已经变成了棕色 Hermother angrywhensheheardthenews It s darkeranddarkeroutside Themilkhas bad 练习 became getting turned cutdown 意为 减少 是 动词 副词 结构的短语 后面所带的宾语为名词时 宾语可以位于down的前面或后面 为代词时只能位于down前面 You dbettercutthearticledowntoabout2000words cut后接off into up in的不同 拓展 辨析 spend cost take pay 1 Doyoutakeexerciseeveryday Yes Ialways thirtyminutesaftersupper AspendBcostCtakeDpay2 I 300yuanforthebike AtookBspendCcostDpaid 用方框中所给词的适当形式填空 1 Don tthrow 垃圾 everywhere 2 Inwinter manypeopleburn 煤 tokeepwarm 3 Thepolicefoundabodyatthe 底部 ofthelake 4 The 花费 oflivinginbigcitiesisveryhigh 5 Hekeepsarabbitinabig 木制的 box cost wooden coal bottom litter 1 He gooutwithhisparents butnowhe stayathomealone A useto isusedtoB isusedto usedtoC useto usedtoD isusedto isusedto2 Theinterestingbook me10yuan A tookB paidC spendD cost Choosethebestanswer 3 Wemustdosomethingusefulto pollution A cutoffB cutupC cutdownD cutin4 Smokingcan lungcancer you dbetttergiveitup A workonB leadtoC takeawayD putout 5 Whatarethe ofbikeriding Itcanhelpcutdownairpollution A advantageB reasonsC resultsD ideas 1 多一个人少一个人无所谓 Onepersonwouldn t 2 这个木箱时装满了书 The box books 3 不健康的饮食对这种疾病的传播起一定的作用 Unhealthyfoods thespreadofthedisease 4 这条小路通向公园 Thepath thepark 5 我错拿了你的包 Itookyourbag minebymistake woodenisfullof makeadifference leadto palyapartof insteadof 练习题 用方框中词的适当形式完成下面的句子 1 Ithinkit s tomakesuchayoungboyworkallday 2 Thepoorfishermancan t hischildren seducation 3 Ithinkthegovernmentmustdevelop toprotectenvironment 4 Eatingtoomuchjunkfoodis yourhealth 5 Hecanusedifferent toworkouttheproblem cruel afford law harmful method II 单项选择 1 Areyougoingto anyoftheevents Yes Maybelongjumpandhighjump A takepartinB joinC attendD joinin2 Ican tafford himanexpensivebirthday