英语上unit2课文讲解.ppt

SectionB Unit2Howoftendoyouexercise Junkfood Whatfoodanddrinkareunhealthy junkfood junkfood 意为 垃圾食品 指那些仅仅提供热量 别无其他营养素的食物 或指提供超过人体需求 变成多余成分的食品 如 西式快餐中的汉堡 薯条 炸鸡 中式小吃中的油炸饼 方便面 早餐常吃的油条 烧饼等 Isthefoodinthefollowingpictureshealthyorunhealthy healthyfood Doctorswantustodrinkmilkeveryday Becausemilkisgoodforourhealth Doctorswantustoeatfruiteveryday Becauseit sgoodforourhealth Mymotherwantsustoeatvegetableseveryday Becausetheyaregoodforourhealth begood badforhealth Coffeeisbadforourhealth begood badforhealth Potatochipsarebadforhealth potatochips Frenchfries cola begood badforhealth chocolate begood badforhealth begood badforhealth ice cream begood badforhealth hamburgers begood badforhealth hotdog unhealthy不健康的 junkfood bebadforhealth nothealthy Doctorswantusnottoeatjunkfoodtoomuch Becauseitisbadforourhealth cola salad soup hotdog tomato onion dumpling broccoli healthyorunhealthy Whatdoyouthinkofjunkfood Althoughit sbadforourhealth Iloveit Ieatitonceortwiceaweek Howoftendoyoueatjunkfood Ieatjunkfoodonceamonth Doyoulikeit Yes althoughit snotgoodformyhealth No it sbadformyhealth junkfood fruit A Howoftendoyoueatfruit B Ieatfruiteveryday A Doyoulikeit B Yes it sgoodformyhealth No Butmymotherwantsmetoeatit Shesaysit sgoodformyhealth vegetables 1 junkfood2 milk3 fruit4 vegetables5 sleep6 coffee b f e a d 1a c Matchthewordswiththepictures 1b Askandanswerquestions Usethewordsfrom1a Pairwork A Howoftendoyoudrinkmilk B Idrinkmilkeveryday A Doyoulikeit B No Butmymotherwantsmetodrinkit Shesaysit sgoodformyhealth Momwantsmetogetupat6 00andplayping pongwithher wanttodosth 想要做某事wantsb todosth 想要某人做某事wantsb nottodosth 想要某人不要做某事Doyouwanttogotothemovieswithme 你想和我一起去看电影吗 Theteacherwantsusnottoeathamburgers 老师不想让我们吃汉堡包 begoodforsth 对 有益bebadfor对 有害begoodatdoingsth 擅长begoodto withsb 对某人好 Eg Readingbooksisgoodforourstudy liuXiangisgoosatrunning MissWangisgoodtostudents Listen Thencircleyouranswertoeachquestion 1a 1b Listenagain Fillintheblanksinthesurvey hardlyever everyday never nine nine everyday never twoorthreetimesaweek threeorfourtimesaweek never fourtimesaday Howoftendoyou Howoftendoyou television body online mind together Newwords Newwordsandphrases percentn onlineadj televisionn althoughprep throughconj mindn 百分之 在线的 联网的电视节目 电视机虽然 尽管 即使以 凭借 穿过头脑 心智 bodyn suchadj pron suchastogetheradv diev writern 身体这样的 那样的 类似的例如 像 这样在一起 共同消灭 灭亡 死亡作者 作家 2a Ranktheseactivitiesaccordingtohowoftenyouthinkyouclassmatesdothem 1 mostoften 6 leastoften 2b Readthearticleandcompletethepiechartsonthenextpage WhatDoNo 5HighSchoolStudentsDoinTheirFreeTime Languagepoints 1 Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday percent名词 意为 百分之 e g Eightypercentofthestudentsinourclassexerciseeveryday 我们班里80 的学生每天都锻炼 注意 1 percent做主语时 谓语动词的数要根据其后面的名词来确定 e g Fiftypercentoftheapplesarebad 50 的苹果都坏了 Twentypercentofthemeatisinthefridge 20 的肉都在冰箱 2 Andtwentypercentdonotexerciseatall not atall意为 一点也不 not应和be动词 助动词或情态连用 e g Thestoryisn tinterestingatall 那个故事一点也没有趣 Theydidn tenjoythevacationatall 他们根本不喜欢那次旅行 Theoldmancan tusethecomputeratall 那位老人一点也不会用电脑 3 atleast至少例如 Weshouldbrushourteethatleasttwiceaday 我们每天应该至少刷两次牙 Agoodcigarettewillsmokeatleasttenminutes 一支好烟至少可以抽10分钟 反义短语 atmost至多 4 Althoughmanystudentsliketowatchsports gameshowsarethemostpopular although连词 尽管 虽然 即使 e g Wewentfishingalthoughitwascold 尽管天气很冷 但是我们还是去钓鱼了 注意 although引导的从句不能与but连用 尽管他离家很早 但是他还是迟到了 Althoughhelefthomeearly buthewaslate Althoughhelefthomeearly hewaslate 5 Itis adj todosth 干某事是 例如 Itisinterestingtoplaycomputergames 玩电脑很有趣 Itisveryimportant makeaplanbeforeanewterm Yes Youmusttrytomakeitcarefully A ofB forC to C 6 thebestwaytorelaxisthroughexercise through介词 课文中意为 以 凭借 e g Hefoundthejobthroughanadinthenewspaper 他通过报纸上的一个广告找到这份工作 拓展 through还有 穿过 之意 表示 从 内部穿过 e g Theywentthroughtheforestyesterday 昨天他们穿过了森林 7 Exercisesuchasplayingsportsisfun suchas意为 像 这样 表示列举 结构常为 名词 suchas 例子e g Shelikesanimassuchasrabbitsandbirds 她喜欢像兔子 小鸟这样的小动物 注意 其后面不可列举出所有的事物 如 我了解四种语言 例如英语 汉语 Iknowfourlanguage suchas EnglishandChinese Iknowfourlanguage suchas English French JapaneseandChinese 8 Oldhabitsdiehard 旧习难改 这是英语中的一句谚语 表示习惯一旦养成 并非朝夕即可改变 多用来描述人们一时难以改变的固有观念及做法 e g It stheageofnewtechnology butmygrandpastillgoeseverywherewithhisoldradio Oldhabitsdirehard yousee 现在都已经是新技术时代了 可我爷爷仍然到哪儿都带着他的收音机 你瞧 老习惯可真难改呀 9 Sostartexercisingbeforeit stoolate it stoolate为时太晚 来不及了e g Nowyouknowyou rewrong butit stoolate 现在你知道你错了 但是已经太晚了 2c Readthearticleagainandanswerthequestions 1 Howmanypercentofthestudentsdonotexerciseatall Twentypercent 2 HowmanypercentofthestudentsusetheInterneteveryday Ninetypercent 3 HowoftendomoststudentswatchTV Whatdotheyusuallywatch Everyday Gameshows 4 Whatdoesthewriterthinkisthebestwaytorelax Why Exercise Itishealthyforthemindandthebody 5 DoyouthinkthestudentsatNo 5arehealthy Whyorwhynot No 2d Accordingtothearticleandthepiecharts writesentenceswiththepercentagesusingalways usuallyorsometime 1 90 NinetypercentofthestudentsalwaysusetheInternet 2 85 3 45 4 10 5 13 6 2 Eighty fivepercentofthestudentswatchTVeveryday Forty fivepercentofthestudentsexercisefourtosixtimesaweek TenpercentofthestudentsusetheInternetatleastthreeorfourtimesaweek ThirteenpercentofthestudentswatchTVfourtosixtimesaweek TwopercentofthestudentswatchTVonetothreetimesaweek 2e Chooseoneofthesefreetimeactivitiesorthinkofyourown Thenaskyourclassmateshowoftentheydothisactivityandmakeapiechart Showthepiecharttoyourclass playcomputergamesreadbooksgoshoppingdrawpicturesplaysports 3a Lookattheinformationinthechartandcompletethereport Janeisa16 year oldhighschoolstudentintheUnitedstates AmericanTeenagermagazineaskedheraboutherhabits Janehasalotofgoodhabits Shealwaysexercisesandshereadsbooks Also she drinksjuiceandshe staysuplate However shehassomebadhabits too She watchesTVformorethantwohoursaday andshe eatshamburgers Herparentsarenotveryhappybecaus