英语人教版九年级全册Unit_13.ppt

英语教学课件系列 Go for it 九年级 Unit13Wearetryingtosavetheearth SectionA1a 3b 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 Readthepassageaboutsharksandcompletethefactsheetbelow 3a Manyhaveheardofshark sfinsoup ThisfamousandexpensivedishisespeciallypopularinsouthernChina Butdoyourealizethatyou rekillingawholesharkeachtimeyouenjoyabowlofshark sfinsoup Whenpeoplecatchsharks theycutofftheirfinsandthrowthesharkbackintotheocean Withoutafin asharkcannolongerswimandslowlydies Thismethodisnotonlycruel butalsoharmfultotheenvironment Sharksareatthetopofthefoodchainintheocean secosystem Iftheirnumbersdroptoolow itwillbringdangertoalloceanlife Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain Butinfact around70millionsharksarecaughtandtradedinthisindustryeveryyear Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years Environmentalprotectiongroupsaroundtheworld suchasWildAidandtheWWF areteachingthepublicabout finning Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofshark sfins Sofar noscientificstudieshaveshownthatshark sfinsaregoodforhealth sowhyeatthem Helpsavethesharks Let sdothistoreviewthetext Somepeopleliketoeatshark sfinsoup especiallyin China Butgettingtheshark sfinisvery Whenpeoplecatchsharks they theirfinsandthrowthesharksintotheocean Thesharkslowlydiesbecauseitcan t withoutthefin Anditisalso toenvironment Sharksareatthe ofthefoodchain Ifthenumberofsharksdropstoolow itwillbreakthebalanceofnuture Pleasesaynotoeatingthesharkfinsoup andtakeactiontosavethesharks southerncruelcutoffswimharmfultop Let slearnsome languagepoints harmful形容词 意为 有害的 常构成短语beharmfulto 对 有害的 Stayingupoftenisharmfultoyourhealth 经常熬夜对你的健康有害 拓展 harm名词 意为 害处 常用构成短语doharmto 对 有害 相当于beharmfulto Toomuchsmokingdoesharmtohishealth Toomuchsmokingisharmfultohishealth 吸烟过多对他的健康有害 改为同义句 Readinginthesundoesharmtooureyes Readinginthesun oureyes isharmfulto 辨析 join joinin和takepartin to Willyoujoinusinthediscussion 你参加我们的讨论吗 ShejoinedtheYoungPioneers 她加入了少先队 Whydidn tyoujoininthetalklastnight 昨晚你为什么没参加座谈 Didyoutakepartinthesportsmeet 你参加运动会了吗 1 Haveyou aclub Yes I minaswimmingclubandIoften theswimmingtraining A joined takepartinB joined joinC takenpartin joinD takenpartin joinin2 We regoingforapicnic Wouldyouliketo us Whynot Let sgo A attendB joinC joininD takepartin afford是动词 意为 买得起 担负得起 通常与can could beableto连用 多用于否定句中 Theycouldn tafford 50foraticket 他们拿不出50美元买一张票 afford后面常跟带to的动词不定式 Wecan taffordtogoabroadthissummer 今年夏天我们没有足够的钱出国 例句 MissTaylorneverwastesmoneyonanythingtooexpensive eventhoughshecan to Shehasdonatedmuchofthemoneyshesavedtocharities A affordB allowC remindD pay 1 Manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofshark sfinsoup 2 Sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger Readthepassageagainandfillintheblankswiththewordsinthebox so when 3b Manythinkthatsharksaretoostrongtobeendangered theyarewrong therearenoscientificstudiestosupportthis alotofpeoplebelievethatsharkfinsaregoodforhealth 5 Sharksmaydisappearoneday wedonotdosomethingtostopthesaleofsharkfins but Although If 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