八年级英语下册Unit4NoSmoking知识精讲北京课改版

知识改变命运百度提升自我用心爱心专心-1-本文为自本人珍藏版权所有仅供参考Unit4NoSmoking一、教学内容：Unit4NoSmoking二、教学目标：知识目标：熟练掌握本单元的单词、短语、句型和语法。能力目标：能够熟练运用本单元知识，对事物之间的比较结果进行描述。三、教学重、难点：①as…as和notas…as句型②usedto和be/getusedtodoingsth.的区别四、语法项目：形容词和副词的比较级。五、本单元重点知识：1.单词：本单元后单词的音、形、义2.词组：①usedtodo过去常常做某事②managetodosth.应付做某事③beusedtodoing习惯于做某事④accordingto根据……⑤eatjunkfood吃垃圾食品⑥besurprisedtodosth.对做某事感到吃惊⑦changeinappearance改变外表⑧not…anymore不再⑨ontheschoolbasketballteam在学校篮球队⑩asportsfan体育迷(11)hugatoybear抱一个玩具熊(12)quitsmoking戒烟(13)somethingspecial特别的事情(14)makesb.dosth.使某人做某事(15)shoutat冲……叫喊知识改变命运百度提升自我用心爱心专心-2-(16)hatedoingsth.讨厌做某事(17)hearsb.dosth.听到某人做某事(18)becaughtdoingsth.正在做某事时被抓住(19)cometodosth.渐渐开始做某事(20)oneoutoffive每5个中的1个(21)onceortwice一两次(22)haveatry试一试(23)giveupdosth.放弃做某事(24)throwaway扔掉(25)makeasilentwish暗自祈祷(26)asmokefreezone无烟区(27)haveabadhabit有个坏习惯(28)payattentionto注意(29)feelterrible感觉难受(30)dieof因病而死句型：①LinLiwassurprisedtoseeSamhadchangedinappearance.林莉看到塞姆外表的变化很惊讶。②Samdoesn’teatjunkfoodanymore.塞姆不再吃垃圾食品。③Howareyoudoing?你好吗？④Iusedtobefat.我过去很胖。⑤Iusedtoeatalotofjunkfood.我过去吃许多垃圾食品。⑥Soyoudon’teatfrenchFriesordrinkCokeanymore.所以你不再吃薯条，喝可乐了。⑦Idon’teatasmuchasIusedto.我不再像过去那样吃那么多了。⑧Iamasstrongasanox.我强壮得像头牛。⑨Dadshoutedatme.爸爸冲我嚷嚷。⑩Ihavecometolikethesmell.我慢慢喜欢这个味道了。(11)NowI’musedtoit.现在我习惯这个味道了。(12)Itmakesmefeelcool.它使我感觉很酷。(13)Whynotletmehaveatry?为什么不让我试一试呢？(14)Smokingisbadforyourhealth.吸烟对你的健康有害。(15)Ihavegivenupsmoking.我已经戒烟了。(16)Hesimplythrewawayhiscigarettesanddoesn’tsmokeanymore.知识改变命运百度提升自我用心爱心专心-3-他只是将自己的香烟全部扔掉了，而且再也没有抽过。(17)Ialsomadeasilentwish.我暗自祈祷。(18)Whathabitdidthegirl’sfatherusetohave?这个女孩的爸爸过去有什么习惯？六、本讲重点知识讲解：1)LinLiwassurprisedtoseeSamhadchangedinappearance.林莉吃惊地看到塞姆外表发生了变化。besurprisedtodosth.对做某事感到吃惊例如：①WeweresurprisedtoseeMissWanginabeautifuldress.②Allthestudentsweresurprisedtohearthenewsthatwasfromthesportsmeet.changeinappearance外表发生了变化2)Samdoesn’teatjunkfoodanymore.塞姆不再吃垃圾食品。not…anymore不再……同义词：nomore近义词：not…anylonger=nolonger例如：Iwon’tmakesuchamistakeanymore.Myfatherdoesn’tsmokeanymore.Theydon’tlivehereanylonger.Shedoesn’tlikewatchingfootballmatchesanylonger.3)Idon’teatasmuchasIusedto.Ihavebecomeasstrongasanox.一样和不如as...asas...asnot例如：Idon’tgetupasearlyasmymother.Ourschoolisn’tasbeautifulastheirs.TomrunsasfastasJim.Thishouseisasexpensiveasamoderncar.【典型例题】一、单项选择：①Jimdoesn’trunasasLiMing.A.fastB.fasterC.fastestD.morefast②Tomdoesn’twriteasashissister.知识改变命运百度提升自我用心爱心专心-4-A.morecarefullyB.carefullyC.carefulD.morecareful③Sharkisgettingoldandcannotjumpasashedid.A.highB.higherC.highestD.muchhigher④Wehadbetterwatertheflowersasaspossible.A.oftenB.oftenerC.oftenestD.muchoften⑤TonnystudiesasasJhson.A.hardlyB.harderC.hardD.hardest二、根据中英文提示完成下列各句：①这本书和那本书一样有趣。Thisbookthatone.②这场足球赛不如那场足球赛精彩。Thisfootballmatchthatone.③小汤姆没有以前学习努力了。LittleTom.④王涛不如赵海跑得快。WangTaoZhaoHai.⑤今天早晨爸爸起的和往常一样早。Thismorningmyfather.4)Dadusedtosmokeheavily.Youusedtohatesports.Iusedtoeatalotofjunkfood.Iusedtobesadaboutbeinganintrovert.usedtodosth.过去常常做某事例如：Iusedtobelateforschoollastyear.MyclosefriendandIusedtoplayfootballafterschool.I’musedtoit.Thestudentsareusedtogettingupearly.Mygrandmaisgettingusedtolivinginthecity.be/getusedtodoingsth.习惯于做某事例如：WeareusedtoreadingEnglishinthemorning.Mymotherisusedtolivingwithmygrandma.Thestudentsareusedtolisteningtothisteacher.知识改变命运百度提升自我用心爱心专心-5-【典型例题】①Iusedtointhesouth.I’minthenorthnowandIhaven’tbeenusedtothethickcoatandheavyshoes.A.live,wearB.live,wearingC.living,wearD.living,wearing②I’mfromthenorth,butIricehere.A.usedtoeatB.usetoC.amusedtoD.usedeating5)Itmakesmefeelcool.Nothingcouldmakehimstop.Daddidn’tmakemestop.makesb.dosth.使某人做某事强迫某人做某事例如：Mymotheralwaysmakesmestayathome.Thebossmakestheworkerswork24hoursaday.Weusedtomakemyfatherquitsmoking.【典型例题】①MyChineseteachermademe(write)acomposition.②Itmakesme(feel)cool.③Therainmadeus(stop)thesportsmeet.④Thetallerboyalwaysmakesthelittleboy(bring)cigarettes.⑤YesterdaytheEnglishteachermadeus(learn)thetextbyheart.6)Wetriedallsortsifwaystohelphimquitsmoking.①allsortsofways各种各样的方法②helpsb.dosth.帮某人做某事③quitsmoking戒烟quitsmoking=giveupsmoking=stopsmoking例如：ItriedallsortsofwaystohelpmyfatherquitdrinkingbutIfailed.7)Dadshoutedatme.shoutat冲……叫喊例如：Don’tshoutatyourmother.Itisnotpolite.Myfatheroftenshoutsatmymotherafterdrinking.8)Oneoutoffivestudentsinourcityhassmokedcigarettes.我们这个城市中每5个孩子中就有1个抽过烟。oneoutoffive每5个中的1个知识改变命运百度提升自我用心爱心专心-6-数字+outof+数字表示一种比例关系例如：Itissaidthatsevenoutoftenchildrenknowthepopstar.据说10个孩子中有7个知道这个流行歌星。Butaccordingtothenewspaper,oneoutoftencasesoflungcanceriscausedbysecond-handsmoke.但据报纸上说，1/10的肺癌是由吸二手烟引起的。9)…and15percentoftheteachersinhighschoolssmoke.……而且15%的中学教师都抽烟。当句子的主语成分中有百分比时，如果百分比率修饰的名词或代词是复数形式，谓语动词用复数形式，如果是不可数名词或可数名词单数，谓语动词用单数形式。例如：About70percentoftheearthiscoveredwithwater.10percentoftheincomegoestotax.50percentofthestudentsarefromthecountryside.30percentofthebooksareaboutEnglish.10)Ialsomadeasilentwish—makeeveryhomeasmoke—freezone.我暗自祈祷—远离香烟，从每个家庭做起。①silentadj.不语的，无言的，寂静的，无声的，缄默的，只字不提的，一言不发的，（单词中）不发音的，（电影）无声的，不爱讲话的，寡言的辨析词quietadj.轻轻的，不出声的，不动的，平静的，朴素的，（颜色