欢迎来到天天文库
浏览记录
ID:48946618
大小:929.50 KB
页数:23页
时间:2020-01-28
《英语人教版九年级全册unit13第一课时 课件.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.Eventhebottomoftheriverisfullofrubbish.B:Butitusedtobesoclean.
2、A:Yes,butpeoplearelitteringintheriver.B:Everyoneinthetownshouldplayapartincleaningitup.活动探究Fast-readingNowturntopage99andreadthepagequicklytofindanswerstothesheet.Possibleanswers:SouthernChina70millionover90percentWildAidandtheWWFcareful-readingRaedthepassageagainandfillinblanks.Usingthefollowin
3、gwordsso,although,ifbut,when①Manypeopledonotrealizetheyarekillingawholeshark___________theyenjoyabowlofshark’sfinsoup.②Sharksareatthetopofthefoodchain,_____________iftheirnumbersdrop,theocean’secosystemwillbeindanger.sowhen③Manythinkthatsharksaretoostrongtobeendangered,__________theyarewrong.④__
4、_________therearenoscienfiticstudiestosupportthis,alotofpeoplebelievethatshark’sfinsaregoodforhealth.⑤Sharksmaydisappearoneday__________wedonotdosomethingtostopthesaleofshark’sfins.butAlthoughif延伸拓展Studyingusefulwordsandexpressions.①costv价钱为,花费n.价钱,代价;花费,费用Thecostofaloafofbreadhasincreasedfive-f
5、old..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
6、.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。⑤playapartin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
7、用。HeplayedapartinhisfavoriteTVshow.他在他最喜欢的电视节目中扮演了一个角色。随堂练习Translatethefollowingphrases:对…有害买得起…..在……中起作用过去常常解决问题起作用听说在……顶部在……底部切下,割下BeharmfultoAffordsthPlayapartinUsedtodoSolveproblemsMakeadifferenceAtthetopofAtthebottomofC
此文档下载收益归作者所有