人教版九年级英语第13单元PPT课件

Unit13We retryingtosavetheearth SectionA1a 2d 第1课时 1 Weshouldputupnoticetostopfrom 乱扔 2 Theteacheraskedustofindawaytopickupthecoinsatthe 底部 ofthebottle 3 Therearenomorefishfor 渔夫 tocatchintheriver 4 Weshouldtakethepaperbagstogoshoppinginsteadofthe 塑料 ones 5 Couldyoupleasetellusanother 优点 ofridingbiketowork 检查预习 litter bottom fisherman plastic advantage 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 1 Theairisbadlypollutedbecausethereare ontheroadthesedays 2 Factoriesthatburncoalalso theairwithalotofblacksmoke 3 Thereisalsotoomuchrubbishandwaste People thingseveryday 4 Peoplearealsolitterin likeparks Thisisturningbeautifulplacesintouglyplaces 2aListentotheinterview thekindsofpollutionthatJasonandSusantalkabout A wastepollutionB airpollutionC noisepollutionD waterpollution Circle 2b Listenagainandcompletethesentences littering morecars pollute arethrowingaway Readtheconversationquickly findouttheanswertothequestion Whatkindsofpollutionarementionedinthisconversation 2d Airpollutionandwastepollution 2 Readtheconversationagainandcompletetheblanks Takethebusorsubwayinsteadofdriving rideabike bringabagtogoshopping onlyusewoodenchopsticksorplasticforksathome Throwrubbishinthebins 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 2 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 costsb money Ittakessb sometimetodosth 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是动词不定式作目的状语 cutdown意为 减少 Wemustdosomethingusefulto pollution A cutoffB cutupC cutdownD cutin I 单项选择 1 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 ourschoolcleanandtidy 3 Canyoutellusyourideasfor improve yourspokenEnglish 4 Weshouldstopusingthe wood chopstickstoprotecttheforest 5 Theirgrandparentswere fisherman neartheseabeforetheymovedtothetown 当堂检测 B A pollution keeping improving wooden fishermaners III 根据汉语意思完成下列句子 1 咱们玩纸牌吧 别看电视了 Let splaycards watchingTV 2 我们的行动会起作用 并且通向更好的未来 Ouractionscan adifferenceandleadtoa future 3 这个木箱时装满了书 The box