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ID:52592949
大小:1.68 MB
页数:23页
时间:2020-04-11
《2014年秋九年级英语全册Unit13We’retryingtosavetheearth(第1课时)课件(新版)人教新目标版.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit13We’retryingtosavetheearth第一课时(SectionA)情境引入Leading-inLookatthefollowingpicturesnoisepollutionairpollutionwaterpollutionRole-playthefollowingconversationandmakeyourownconversationsaboutthekindsofpollutionabove.A:Theriverwasdirty.Eventhebottomoftheriverisful
2、lofrubbish.B:Butitusedtobesoclean.A:Yes,butpeoplearelitteringintheriver.B:Everyoneinthetownshouldplayapartincleaningitup.活动探究Fast-readingNowturntopage99andreadthepagequicklytofindanswerstothesheet.QuestionsAnswersWhereshark’sfinsoupispopularNumbersofsharkscaught
3、andtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20-30years.TwoenvironmentgroupswhichareagainstfinningPossibleanswers:SouthernChina70millionover90percentWildAidandtheWWFcareful-readingRaedthepassageagainandfillinblanks.Usingthefollowingwo
4、rdsso,although,ifbut,when①Manypeopledonotrealizetheyarekillingawholeshark___________theyenjoyabowlofshark’sfinsoup.②Sharksareatthetopofthefoodchain,_____________iftheirnumbersdrop,theocean’secosystemwillbeindanger.sowhen③Manythinkthatsharksaretoostrongtobeendang
5、ered,__________theyarewrong.④___________therearenoscienfiticstudiestosupportthis,alotofpeoplebelievethatshark’sfinsaregoodforhealth.⑤Sharksmaydisappearoneday__________wedonotdosomethingtostopthesaleofshark’sfins.butAlthoughif延伸拓展Studyingusefulwordsandexpressions
6、.①costv价钱为,花费n.价钱,代价;花费,费用Thecostofaloafofbreadhasincreasedfive-fold..一条面包的价钱增长了4倍。Badgesarealsoavailableatacostof£2.50.徽章也有卖的,2.5英镑一枚。It'sgoingtocostmeover$100,000tobuynewtrucks.买几辆新卡车将花掉我10万多美元。②harmfuladj.对…有害的;能造成损害的;不利;不良Smokingisharmfultoourhealth.吸烟对人类的健康
7、有害。③usedtodo过去一向,过去时常,过去曾(而现在不再)做Whousedtodoyourlaundry?谁过去一直为你洗衣服?Sheusedtowashdishesinarestaurant.她曾经在餐馆里洗过盘子。④affordvt.买得起;担负得起;提供;给予Wecouldn'taffordtobuyanewcar.我们买不起新的车。Wecan'taffordtowait.我们等不起。Myparentscan'tevenaffordanewrefrigerator.我父母甚至买不起一台新冰箱。⑤playap
8、artin扮演某角色;与…有关,对…有影响I'dliketoplayapartintheirdiscussion.我愿意参与他们的讨论。Educationisplayingabigpartinenvironmentalprotection.教育在环境保护中起着很大作用。HeplayedapartinhisfavoriteTVsho
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