八年级英语上册Unit2KeepingHealthyTopic2ImustaskhimtogiveupsmokingSectionD新授课课件新版仁爱版.ppt

,Topic2,Imustaskhimtogiveupsmoking,1.能够谈论有关饮食与健康的话题.2.能够学习并掌握P4142的生词、短语和句型.3.能够运用情态动词should/must/can/may等的用法及功能用语.,学习目标,自学指导1,1.自学内容：生活中有关健康的好习惯与坏习惯的图片（P41).2.自学方法：先小组讨论；后听录音.3.自学时间：5分钟4.自学要求：能正确表述图片大意.,Lookandsay,Whatshouldwedotokeephealthy?,1Listenandnumberthefollowingpictures.,1,2,3,4,5,6,自学检测1,Makesentenceswiththestructuresinthebox.,should/shouldntWemust/mustnt,Weshouldtakeshowersoften.,n.v.淋浴,Weshouldwashthehandsbeforemeals.,Weshouldoftenopenthewindowtokeeptheairfresh.,Wemustntdrinksourmilk.,Weshouldtidyourroomsandoftensweepthefloor.,Wemustntspitinpublic.,a(r),要点归纳1,情态动词，没有人称和数的变化，后跟动词原形.Weshould.是提建议的一种表达方式.表示有责任和义务“应该”.Weshouldnt+动词原形,意为“你不应该”常用来向别人提建议或告诫别人该做什么或不该做什么.eg：Weshouldgetupearlyeveryday.Weshouldntplayfootballinthestreet.must表达“义务”、“责任”表示“必须”;进行“肯定的推断”;其否定式mustnt表示“不允许”“不准”“禁止”.eg：Everybodymustfollowtherules.(义务、责任)TheChineselanguagemusthavethelargestnumberofspeakers.(肯定的推断)Youmustntlendthebooktoothers.(不允许、不准、禁止）,自学指导2,1.自学内容：课本P42的生词.2.自学方法：先根据音标试读，同桌互相正音.3.自学时间：3分钟4.自学要求：会读，知道其汉语意思，并了解其词性.,n.身体,n.危险，风险V.（使）冒.的风险,n.事实，现实/事实上，实际上,adj.不健康的,n.香烟，纸烟,adj.可能；能做到,fact/infactunhealthychemicalcigarettebodydiseaseharmsmokersecond-handriskpossibleas.aspossible,尽量.地,n.病，疾病,n.化学品,v.n.危害，伤害，损害,n.吸烟者,adj.二手的，旧的,Readandsay,自学检测2,自学指导3,1.自学内容：课本P42的短文.2.自学方法：寻读.3.自学时间：6分钟4.自学要求：了解短文大意，能根据所学的语法知填空.找短语，并能正确使用.,Somepeoplethinkthatsmoking_(must/can)helphimrelax.Infact,smokingisreally_(healthy/unhealthy).Doyouknowthatthere_(is/are)over4000chemicalsincigarettes?Thesechemicalsare_(good/bad)forourbodies.They_(must/can)causecancerandotherdiseases.Thesmokefromcigarettesharms_(only/notonly)smokersbutalsootherpeople.Itscalled“second-handsmoke”andit_(can/cant)bemoredangerousandhashigherrisks.Smokersshouldntusesmokingtohelpthemrelax.They_(must/mustnt)giveupsmokingassoonaspossible.,can,unhealthy,are,bad,can,notonly,can,must,自学检测3,causecancer引发癌症notonly.but（also）.不但.而且.second-handsmoke二手烟havehigherrisks有较高的风险use.todosth.使用.做某事giveupsmoking戒烟as.aspossible尽可能.地（as.asonecan/could尽可能.地）,要点归纳2,Thesmokefromcigarettesharmsnotonlysmokersbutotherpeople.香烟产生的烟雾伤害的不仅仅是吸烟者，还有其他人。notonly.butalso.不但.而且.在句中常用来连接两个对等的成分，also可以省略。eg.HeislearningnotonlyEnglishbut(also)French.他不但在学英语，而且还在学法语。ShespeaksRussian_inclass_athome.她在课堂上和家里都说俄语。NotonlyLucybutalsoherparents_watchingfootballmatches.不但Lucy，而且她的父母都喜欢看足球比赛。Notonlyyoubutalsohe_watchingfootballmatches.不但你，而且他也喜欢看足球比赛。（用来连接两个主语时，谓语动词的单、复数遵循“就近原则”，即和but(also)后的名词或代词的数一致。）,notonly,butalso,like,likes,拓展may;can,can,May,mustnt,must,can,Grammar,自学检测4,Functions,Staying,good,in,active,1.Choosetheanswer1.WatchingTVtoomuch_badforyoureyes.Illgotobedrightaway.A.isB.areC.wasD.be2.Ifyoufeel_,youshouldgotoschool.A.badB.worseC.betterD.good3.Icantkeepmyselfactiveduringtheday.You_takemoreexercise.A.mustnotB.mustbeC.needtoD.maybe4.Youhadbetteraskyourbrother_playingputergames.Itsbadforhim.A.togiveupB.nottogiveupC.togiveitupD.notgiveitup,当堂训练,2.Choosethesentencestopletethedialog.A：Whichismoreimportant,wealthorhealth?B：Inmyopinion(观点),_.A：Iagreewithyou.Buthowcanwekeephealthy?B：Ithink_especially(尤其)greenvegetablesandfruit.A：Canweeattoomuchmeat?B：No,Ithink_.A：Whatelseshouldwedo?B：Weshould_.Butremembernottodosportssoonaftermeals.A：Isee._?B：Itisgood.,C,D,A,E,B,合作探究,1.探究内容：课本P42的Project.2.探究方法：选取两组2人小组口头测试后填写.3.探究时间：5分钟4.探究要求：能根据表格口头表述如何保持健康.,Welearn:1.somewords:fact，unhealthy，chemical，cigarette，body，disease，harm，smoker，second-hand，risk，possible2.somephrases:infact，as.aspossible，causecancernotonly.but（also）.，havehigherrisks，use.todosth.giveupsmoking3.somesentences:1)Weshouldtakeshowersoften.2)Weshouldoftenopenthewindowtokeeptheairfresh.3)Smokersshouldntusesmokingtohelpthemrelax.4)Theymustgiveu