初中英语人教版八年级上册八年级英语.ppt

Unit2Howoftendoyouexercise?,SectionB,Newwords,milk,coffee,vegetables,fruit,sleep,chips,hamburger,Junkfood,Theyaregoodforourhealth.,Junkfoodisbadforourhealth.,1b.Askandanswerquestions.Usethewordsfrom1a.,A:Howoftendoyoudrinkmilk,LiuFang?B:Idrinkmilkeveryday.A:Doyoulikeit?B:No.Butmymotherwantsmetodrinkit.Shesaysitsgoodformyhealth.,wantsb.todosth.想要某人做某事eg.我妈妈想要我每天锻炼。Mymotherwantsmetoexerciseeveryday.,2.Shesaysitsgoodformyhealth.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,2）begoodfor.对.有好处bebadfor.对.有害Vegetablesaregoodforourhealth.蔬菜对我们的健康有益。3）health(n.)健康healthy(adj.)健康的unhealth(n.)不健康-unhealthy(adj.)不健康的,eg.健康食品对健康有益。Healthyfoodisgoodforhealth.,2bReadthearticle,WhatDoNo.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”.Sostartexercisingbeforeitstoolate!,3.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.我们发现只有15%的学生每天锻炼。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】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。,4.fourtosixtimesaweek每周四到六次,注意这种表达,“to”为介词。翻译：每月一到三次onetothreetimesamonth,onceortwiceamonth每月一次到两次twoorthreetimesamonth.每月两次到三次,5.Andtwentypercentdonotexerciseatall!20%的学生根本不锻炼。notatall意为“一点也不，根本不”，not位于句中，atall放在句尾。eg.她根本就没有帮忙做家务。Shedoesnthelpwithhouseworkatall.,6.Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.对我们提出的有关看电视的问题的答案也挺有意思。,1）句子主语为theanswers，故谓语用were。2）表示“的答案”要用“answerto”如：Heranswertoyourquestionisabig“NO”!她对你所提的问题的答案是个大大的“不”字！,3）表示“有关的问题”用questionaboutsth./doingsth.如：HeaskedussomequestionsaboutourEnglishexercises.他问了一些有关我们英语练习的问题。,7.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.虽然很多学生喜欢看体育节目，但游戏类节目是最受欢迎的。,although为连词，意为：“虽然，尽管”。注意：1.不能和but,and,so在同一个句子中使用。2.可与yet,still连用eg.Althoughthecarisold,itstillrunswell.=Thecarisold,butitstillrunswell.这辆小车旧了，但是依然跑得不错。,8.Itisgoodtorelaxbyusingthe.,.thebestwaytorelaxisthroughexercise.通过上网或看游戏节目是很好的放松方式，但我们认为最好的方式是通过锻炼。,1）Itisgoodtodosth.做某事是好的Itis+adj.+todosth.做某事是怎样的，其中It是形式主语，真正的主语是todosth.eg.Itisgoodtoexerciseinthemorning.2)thebestwaytodosth.做某事最好的方法,8.Itisgoodtorelaxbyusingthe.,.thebestwaytorelaxisthroughexercise.通过上网或看游戏节目是很好的放松方式，但我们认为最好的方式是通过锻炼。,3）通过：byhealthyB.to;healthC.for;healthyD.for;health,A,D,3.Whatdoesyourfatherdointheevening?Heusually_.A.watchTVB.exerciseC.readsbooks4._studentsinyourclassarefromBeijing?Onlyone.A.HowoftenB.HowmanyC.Howmuch,C,B,5._doyougoskating?Everyday.A.HowoftenB.HowmanyC.When6.Moststudentsinmyclass_exerciseeveryday.A.doesB.doC.isdoingD.aredoing7.What_she_onweekends?A.is,doB.does,doesC.do,doD.does,do,A,B,D,8._doyourgrandparentscometoseeyou?Twiceaweek.A.HowoftenB.HowmanyC.When9.Hesaverylazystudent,asaresult,healwaysgets_grades.A.agoodB.highC.terribleD.anawful,A,C,1.Isleep8hourseverynight.(画线提问)_doyousleepeverynight?2.HewatchesTVtwiceaweek.(画线提问)_hewatchTV?3.Jackdoeshishomeworkeveryday.(改为否定句)Jack_hishomeworkeveryday.,Howmanyhours,Howoftendoes,doesntdo,.句型转换,4.Heistalkingtohisfather.(用usually改写句子)He_tohisfather.5.Myfatheroftenreadsnewspaperaftersupper.(画线提问)_fatheroften_aftersupper?,Whatdoesyour,do,usuallytalks,Healthy/unhealthylifestyle?,Lisasleepseighthourseverynight.Sheeatsagoodbreakfastandsheexerciseseveryday.Shenevereatsjunkfood.,读一读,判断谁的生活健康？,Healthy/unhealthylifestyle?,PamlikestowatchTV.Onweekends,sheneverexercisesandshedoesntlikefruitsorvegetables.Sheeatsjunkfood.AndPamnevergoestothedoctor.,Healthy/unhealthylifestyle?,Picoistallandthin.Heplaystennisthree