英语人教版九年级全册Save the earth.ppt

Unit13We retryingtosavetheearth SectionA 1a 2d airpollution Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke n 煤炭 Canyouthinkofthedifferentkindsofpollution Factoriesputwasteintotheriver waterpollution noisepollution Therearemorecarsontheroad litterv 乱扔n 垃圾rubbish waste垃圾 废弃物 Peopleshouldthrowawaylitterinthebin n 垃圾箱 Landpollution noisepollution airpollution waterpollution 1a Writethewordsrelatedtodifferentkindsofpollutionintheboxbelow Pairworkorgroupwork loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones loudmusic cars rubbish planes littering ships factories smoking buildinghouses mobilephones 1b Listenandcompletethesentences reallydirty rubbish fish litter waste government closedown cleanup Role playtheconversation Thenmakeyourownconversationsaboutthekindsofpollutionin1a 1c Languagepoint playapart rolein n pron v ing参与 做 某事 在 方面起作用 扮演角色 中国在国际和平方面起着重要的作用 eg Chinaplaysanimportantpart roleininternationalpeace woodn woodenadj 木制的 木头的 检查预习 coaln 煤 煤块 uglyadj 丑陋的 难看的 takeawayn 外卖食物 binn 垃圾箱 1 Don t 乱扔 thegroundwithpaper 2 Theteacheraskedustofindawaytopickupthecoinsatthe 底部 ofthebottle 3 Therearenomorefishfor fisherman tocatchintheriver 4 Weshouldtakethepaperbagstogoshoppinginsteadofthe 塑料的 ones 5 Couldyoupleasetellusanother 优点 ofridingbiketowork 检查预习完成句子 litter bottom fishermen plastic advantage litterv 把 弄得乱七八糟 littering乱丢废弃物littern U 垃圾 废弃物 如 Therewerepilesoflitteronthestreet 街上有一堆一堆的废弃物 1 Theairisbadlypollutedbecausethereare ontheroadthesedays 2 Factoriesthatburncoalalso theairwithalotofblacksmoke 3 Thereisalsotoomuchrubbishandwaste People thingseveryday 4 Peoplearealsolitteringin likeparks Thisisturningbeautifulplacesintouglyones 2aListentotheinterview thekindsofpollutionthatJasonandSusantalkabout A landpollutionB airpollutionC noisepollutionD waterpollution Circle pletethesentences publicplaces morecars pollute arethrowingaway 1 Wearetryingtosavetheearth 我们正在努力拯救地球 解析 trydoingsth尝试做某事 不一定付出很大努力 trytodosth尽力做某事 强调付出一定的努力设法完成 想一想 尽某人最大的努力做某事try 2 Butitusedtobesoclean 但它过去是如此干净 解析 usedto的意思是 其中to是不定式符号 不是介词 所以其后要接 beusedto的意思是 其中to是介词 其后要接 合作探究 one sbesttodosth 习惯干某事 过去常常做某事 动词原形 doing eg He gooutwithhisparents butnowhe stayingathomealone A usedto isusedtoB isusedto usedtoC useto isusedtoD isusedto isusedto HowmuchisthetickettoCentralPark Aone wayticket 40 andyoucan another 20foraround trip A costs payB cost spendC pay spendD spends pay 合作探究 3 It sgoodforhealthanditdoesn tcostanything 它对身体有好处并且不会花费任何东西 costvt 1 花费 价格为 拓展 take spend cost pay的用法都可以表示 花费 但用法却不尽相同 spend的主语必须是 常用于 cost的主语是物或某种活动 还可以表示 值 用于 注意 cost的过去式及过去分词都是cost 并且不能用于被动句 take后面常跟双宾语 常见于 pay的基本用法是 人 Sb spendtime moneyonsth Sb spendtime moneydoingsth sthcostsb money Ittakessb sometimetodosth sb paymoneyforsth 4 Tocutdownairpollution weshouldtakethebusorsubwayinsteadofdriving 为了减少空气污染 我们应当乘坐公汽或地铁而不是开车 本句中Tocutdownairpollution是动词不定式作 成分 cutdown意为 减少 Wemustdosomethingusefulto pollution A cutoffB cutupC cutdownD cutin 目的状语 Whatshouldwedo Howtosaveourplanet closedownthefactories helptocleanuptheriver takethebusorsubway rideabike bringabagtogoshopping throwrubbishinthecans turnoffthelightswhenyouleavearoom usepaperorreusablebags recyclebooksandpaper turnofftheshowerwhenyouwashyourhair don tusenapkins solutions Sotogether wecanmakeadifferenceandleadtoabetterfuture I DoHomework1 Eatingtoomuchsugarcan healthyproblems A gettoB leadtoC pointtoD ableto2 Whatarethe ofbikeriding It sgoodforourhealth A advantagesB reasonsC resultsD ideasII 用所给词的适当形式填空 1 Therearemanykindsof pollute inourdailylife 2 Allofthestudentsshouldtakepartin keep