九年级英语全册 Unit 13 We’re trying to save the earth(第1课时)教案 (新版)人教新目标版
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Unit13We’retryingtosavetheearth一、教材分析本单元带领学生了解了一些有关地球污染,动物濒危等问题。并且教给大家如何保护濒危动物,如何通过回收利用等方式来保护地球。本单元分为sectionAandsectionB两个部分。本课为第一课时带领大家了解地球污染问题,以及探讨如何保护地球,减少污染。二、三维目标(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.三、教学重点1.Howtousethefollowingwordsandexpressions:cost,advantage,harmful,afford,usedto,playapartin…2.tounderstandthepassageonPage99.四、教学难点1.Howtousethefollowingwordsandexpressions:cost,advantage,harmful,afford,usedto,playapartin…2.tounderstandthepassageonPage99.五、教学策略根据本课教学目标和重点内容,教师可采用听,读,小组讨论,角色扮演等活动来引导学生进行学习。六、教学准备ppt,recorder,mutiple-media七、教学环节1、课堂导入Step1Lead-in1)Showsomepicturesaboutpollutionandaskstudentstodiscusswhat’sthedangerofeachkindofpollution.2)Herearesomewordsarerelatedtodifferentkindsofpollution.Writethemintheboxbelow,andyoucanaddmorewords.loudmusic,littering,buildinghouses,cars,ships,mobilephones,rubbish,factories,planes,smoking.AirpollutionNoisepollutionWater3)Role-playthefollowingconversationandmakeyourownconversationsaboutthekindsofpollutionabove.A:Theriverwasdirty.Eventhebottomoftheriverisfullofrubbish.[来源:学*科*网]B:Butitusedtobesoclean.A:Yes,butpeoplearelitteringintheriver.B:Everyoneinthetownshouldplayapartincleaningitup.1、课堂讲授Step2.Reading1)Fast-readingNowturntopage99andreadthepagequicklytofindanswerstothesheet.QuestionsAnswersWhereshark’sfinsoupispopularSouthernChinaNumbersofsharkscaughtandtradedeveryyear70millionHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20-30years.over90percentTwoenvironmentgroupswhichareagainstfinningWildAidandtheWWF2)careful-readingReadthepassageagainandfillinblanks.so,although,ifbut,when①Manypeopledonotrealizetheyarekillingawholeshark___________theyenjoyabowlofshark’sfinsoup.②Sharksareatthetopofthefoodchain,_____________iftheirnumbersdrop,theocean’secosystemwillbeindanger.③Manythinkthatsharksaretoostrongtobeendangered,___________theyarewrong.④_______________therearenoscienfiticstudiestosupportthis,alotofpeoplebelievethatshark’sfinsaregoodforhealth.⑤Sharksmaydisappearoneday__________wedonotdosomethingtostopthesaleofshark’sfins.Possibleanswers:when,so,but,although,if3)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.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。1、课堂练习Step3ExercisesTranslatethefollowingphrases:1.对…有害2.买得起…..3.在……中起作用4.过去常常5.解决问题6.起作用7.听说8.在……顶部9.在……底部10.切下,割下2、课堂活动Step4ActivitiesInyourgroupmakealistofthingspeoplecandotohelptheenvironment.3、课堂小结Step5.SummarizeLookbackonwhatwehavelearned.[来源:Zxxk.Com]1.Howtoprotectenvironment.2.Usefullanguages:beharmfulto,atthetopof,atthebottomof.Solveproblems…1、作业布置Homework:makeaconversationwithyourparnteraboutwhatyoucandotoreducepollution.一、板书设计[来源:学_科_网]Unit13We’retryingtosavetheearth1.cost:Vsth.costmoney2.harmful:beharmfulto3.usedto:usedtodo4.afford:affordsth./affordtodo5.playapartin二、教学反思通过本课学习,学生们了解了污染以及污染带来的危害,以及保护动物的必要性。学完本课后,同学们要积极行动起来,为保护环境,保护动物作贡献。
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