八年级上册Unit-2-How-often-do-you-exercise-Section-B课件

SectionBPeriodOnejunkjunkfoodmilkcoffeechipcola废弃的旧物；破烂物垃圾食品牛奶咖啡(食物等的)薄片可乐Wordspreviewchocolatedrinkhealthhowmanyinterviewer巧克力喝；饮健康；健康状况多少采访者WordspreviewFreetalkHowtokeephealthy?ahealthydietexercisesleepwell...Doyouhaveahealthydiet?Doyouofteneatjunkfood?Isthefoodinthefollowingpictureshealthyorunhealthy?HealthyfoodcolacolaJunkfoodWhatfoodanddrinkareunhealthy?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。Doctorswantustoeat…everyday.Doctorswantustodrink…everyday.begood/badforhealthCoffeeisbadforourhealth.begood/badforhealthPotatochipsarebadforhealth.potatochips=Frenchfriescolabegood/badforhealthbegood/badforhealthbegood/badforhealth?begood/badforhealth?begood/badforhealth?hotdogunhealthy不健康的junkfoodbebadforhealthnothealthycolasaladsouphotdogtomatooniondumplingbroccolihealthyorunhealthy?1.___junkfood2.___milk3.___fruit4.___vegetables5.___sleep6.___coffeebfead1acMatchthewordswiththepictures.1bAskandanswerquestions.Usethewordsfrom1a.PairworkA:Howoftendoyoudrinkmilk?B:Idrinkmilkeveryday.A:Doyoulikeit?B:No.Butmymotherwantsmetodrinkit.Shesaysit’sgoodformyhealth.theMcDonald’s--Howoftendoyoueatjunkfood?--Ieatjunkfoodonceamonth.--Doyoulikeit?--Yes,althoughit’snotgoodformyhealth.--(No,it’sbadformyhealth.)junkfoodMakeupyourownconversations.fruitA:Howoftendoyoueatfruit?B:Ieatfruiteveryday.A:Doyoulikeit?B:Yes,it’sgoodformyhealth.(No.Butmymotherwantsmetoeatit.Shesaysit’sgoodformyhealth.)vegetablesListen.Thencircleyouranswertoeachquestion.2aIsBillhealthy?Yes.No.Idon’tknow.IsKatrinahealthy?Yes.No.Idon’tknow.ActivitiesHowoftenKatrinaBillexerciseeatvegetableseatfruitsleepdrinkmilkeatjunkfoodDrinkcoffeeeverydayhardlyeversometimeseverydayneverninenineeverydaynevertwoorthreetimesaweekthreeorfourtimesaweekeverydayneverfourtimesadayListenagainandfillintheblanks.2b1.Momwantsmetogetupat6:00andplayping-pongwithher.wanttodosth.想要做某事wantsb.todosth.想要某人做某事Doyouwanttogotothemovieswithme?你想和我一起去看电影吗？Theteacherdoesn’twantustoeathamburgers.老师不想让我们吃汉堡包。Notes2.Shesaysit’sgoodformyhealth.begoodfor...表示对……有益(有好处)(这里for是介词，后跟名词、代词、动名词或动词的-ing形式。)如：It’sgoodforustodomorereading.多读书对我们有好处。ReadingaloudisgoodforimprovingyourEnglish.大声朗读对提高你的英语后好处。其反义为：bebadfor...Readinginbedisbadforyoureyes.躺在床上读书对你的眼睛有害。3.Howmanyhoursdoyousleepeverynight?howmany修饰可数名词，修饰不可数名词则要用howmuch。如：Howmuchcoffeedoyoudrinkeveryday?你每天喝多少咖啡呢？【课本重点】Shesaysit’sgoodformyhealth.【中考考点】Anappleadayisgood__yourhealth.A.atB.forC.inD.with【解析】begoodat表示“擅长于……”，begoodfor表示“对……有益/好处”。begood一般不与介词in或with搭配。根据句意可知，该题只能选B。中考链接2bReadthearticleWhatDoNo.5HighSchoolStudentsDoinTheirFreeTimeLastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Herearetheresults.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.Forty-fivepercentexercisefourtosixtimesaweek.Twentypercentexerciseonlyonetothreetimesaweek.Andtwentypercentdonotexerciseatall!Weallknowthatmanystudentsoftengoonline,butweweresurprisedthatninetypercentofthemusetheInterneteveryday.Theotherthenpercentuseitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.OnlytwopercentofthestudentswatchTVonetothreetimesaweek.ThirteenpercentwatchTVfourtosixtimesaweek.Andeighty-fivepercentwatchTVeveryday!Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“oldhabitsdiehard”.Sostartexercisingbeforeit’stoolate!Completethepiecharts.154timesaweek8590202021310452cReadthearticleagainandanswerthequestions.1.Howmanystudentsdonotexerciseatall?2.HowmanystudentsusetheInterneteveryday?3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?20%studentsdonotexerciseatall.90%studentsusetheInterneteveryday.MoststudentswatchTVeveryday.Theyusuallywatchsports,gameshows.4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?Exercise,becauseitishealthyforthemindandthebody.No,Idon’tthinkso.BecausetheywatchTVmoreandexerciseless.2dWritesentenceswithpercentagesusingalways,usuallyorsometimes.1.90%:________________________________2.85%:________________________________3.45%:________________________________4.10%:________________________________5.13%:________________________________6.2%:________________________________NinetypercentstudentsalwaysusetheInternet.Eighty-fivepercentofstudentsalwayswatchTV.Forty-fivepercentofthemusuallyexercise.TenpercentofthemsometimesusetheInternet.ThirteenpercentofthemsometimeswatchTV.TwopercentofthemsometimeswatchTV.1.Shesaysit’sgoodformyhealth.她说它对我的健康有益。1)此句为宾语从句,says后面跟的从句的时态必须和主句中谓语动词时态保持一致,都用一般现在时。2)begoodfor对……有好处Languagepoints例如：Vegetablesaregoodforourhealth.蔬菜对我们的健康有益。Junkfoodarenotgoodforourhealth.垃圾食品对我们的健康有害。2.onlyonetothreetimesaweek每周只有一到三次注意这种