免费下载网址http://jiaoxue5u.ys168.com/Unit13We’retryingtosavetheearth【学习目标】(一)知识与技能1.Tolearnthefollowingwordsandexpressions.bottom,coal,public,ugly,cost,advantage,method,cruel,harmful,afford.2.TounderstandthepasageonPage99.(二)过程和方法3.Togetageneralknowledgeofpollutionbyreadingandrole-play.4.Toknowabouthowtoreducepollutionthroughdiscussion.(三)情感态度和价值观5.Afterlearningthispart,everystudentwillbeawareoftheserioussituationofpullutionanddeterminedtotakeactiontoprotectourearthfronnowon.【自主梳理】1.TurntoPage97andfinish1a.2.Turntopage99,readthepassageandfinishexercisesonPage99.3.Checkanswers.【重点领悟】Studyingusefulwordsandexpressions.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。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.解压密码联系qq1119139686加微信公众号jiaoxuewuyou九折优惠！淘宝网址：jiaoxue5u.taobao.com免费下载网址http://jiaoxue5u.ys168.com/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。【探究提升】①cost表花费时，主语为_____.这块表花了我一千元。________________________________.以……价格___________________②harmful是_______________词。对……有害______________________③usedto表示过去常常，后接__________.④afford买得起……_______________;______________________承受得起做某事_______________________⑤在电影中扮演一个角色_____________________起着重要作用_____________________________Answers:【探究提升】①物，Thewatchcostme1000yuan.atacostof②形容，beharmfulto③动词原形④affordsth,affordtobuy,affordtodo⑤playapartinafilm,playanimportantpart解压密码联系qq1119139686加微信公众号jiaoxuewuyou九折优惠！淘宝网址：jiaoxue5u.taobao.com
