九年级英语全册 Unit 13 We’re trying to save the earth（第1课时）课件 （新版）人教新目标版.ppt

unit13we retryingtosavetheearth第一课时 sectiona 情境引入leading in lookatthefollowingpictures noisepollution airpollution waterpollution role playthefollowingconversationandmakeyourownconversationsaboutthekindsofpollutionabove a theriverwasdirty eventhebottomoftheriverisfullofrubbish b butitusedtobesoclean a yes butpeoplearelitteringintheriver b everyoneinthetownshouldplayapartincleaningitup 活动探究 fast readingnowturntopage99andreadthepagequicklytofindanswerstothesheet possibleanswers southernchina70millionover90percentwildaidandthewwf careful readingraedthepassageagainandfillinblanks usingthefollowingwordsso although ifbut when manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofshark sfinsoup sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger so when manythinkthatsharksaretoostrongtobeendangered theyarewrong therearenoscienfiticstudiestosupportthis alotofpeoplebelievethatshark sfinsaregoodforhealth sharksmaydisappearoneday wedonotdosomethingtostopthesaleofshark sfins but although if 延伸拓展 studyingusefulwordsandexpressions costv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 harmfuladj 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 usedtodo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 affordvt 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 playapartin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 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 beharmfultoaffordsthplayapartinusedtodosolveproblemsmakeadifferenceatthetopofatthebottomofcutoff 小结与作业 1 lookbackonwhat