2013秋人教版英语八年级上Unit2课件_5

Unit1Howoftendoyouexercise?,SectionB,PeriodFive,复习提高,Doyouhaveahealthylifestyle?,eatvegetables,eatfruit,eatlittlejunkfood,sleepninehourseverynight,drinkmilk,exercise,ahealthylifestyle,eatinghabits,Discussion,eatriceformeals,Aretheyingoodhealth(=healthy)?,Ofcourse,theyarent.,Whyaretheysoheavy?,Becausetheireatinghabitsarebad.Theylikeeatingjunkfood,Howcanwekeephealthy?,Trytoeatmorehealthyfood,andlessjunkfood.,Trytoexerciseeveryday.,Everyonemustsleep8or9hourseverynight.,1.Eatriceformeals.2.Trytoeatvegetableseveryday.3.Eatfruiteveryday.4.Eatsomemeatsometimes.5.Donteatthefoodwithtoomuchoil.6.Drinksomemilkeveryday.,Discuss,keephealthyeatinghabits,Whohasbettereatinghabits?Whoselifestyleisbetter?,Tina,IthinkTinahasbettereatinghabits.Becauseshe,everyday.,She,twoorthreetimesaweek.,Shenever,Herlifestyleisbetter.,She,everyday.,She,ninehourseverynight.,Shelooksafterherhealth.Sheisveryhealthy.,“unhealthy”.Lisasleepseighthourseverynight.Sheeatsagoodbreakfastandsheexerciseseveryday.Shenevereatsjunkfood.healthy/unhealthyLucylikestowatchTV.Onweekends,sheneverexercisesandshedoesntlikefruitsorvegetables.Sheeatsjunkfood.AndPamnevergoestothedoctor.healthy/unhealthyPeteristallandthin.HeplaystennisthreetimesaweekandherunsfivemileseverySaturday.HeneverwatchesTV.Heeatsfruitsandvegetableseverydayandsleepsninehourseverynight.healthy/unhealthy,Readabouteachperson.Thencircle“healthy”or,Ithinkinourclass,_studentslike,Allstudents?=100%Moststudents?=51%-99%Somestudents?=1%-50%Nostudents?=0%,usingtheinternet.,doinghomework.,playingtabletennis.(ping-pong),playingbasketball.,playingsoccer.,listeningtomusic.,goingtothemovies.,watchingTV.,playingcomputergames.,goingcampinginthecountry.,Inourclass,_studentslikeusingtheInternet._studentsLikeplayingsports._studentslikewatchingTV.Asforhomework,_studentslikedoingit.,result,2a,Ranktheseactivitiesaccordingtohowoftenyouthinkyouclassmatesdothem(1=mostoften,6=leastoften),去乡下露营,做运动,2b,Readthearticleandcompletethepiechartsonthenextpage.WhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?,WhatdoNo.5HighschoolstudentsdointheirfreetimeLastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Herearetheresults.Wefoundthatonly15percentofourstudentsexerciseeveryday.45percentexercisefourtosixtimesaweek.20percentexerciseonlyonetothreetimesaweek.And20percentdonotexerciseatall!Weallknowthatmanystudentsoftengoonline,butweweresurprisedthat90%ofthemusetheInterneteveryday.Theother10%useitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.,2b,Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.Only2%ofthestudentswatchTVonetothreetimesaweek.13%watchTVfourtosixtimes.And85%watchTVeveryday!Althoughmanystudentsliketowatchsports,gamesshowsarethemostpopular.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“oldhabitsdiehard”.Sostartexercisingbeforeitslate!,它对于大脑和身体是健康的。,Readthearticleandcompletethepiecharts,15,45,20,20,90,10,2,13,85,2b,15%,20%,45%,0%,20%,90%,10%,85%,2%,13%,1.asksb.aboutsth.向某人询问某事2.主语+find+that从句发现3.fourtosixtimesaweek每周四至六次4.notatall根本不一点也不5.goonline,usetheInternet上网6.besurprised感到惊奇7.atleast至少8.threeorfourtimesaweek每周三到四次9.bydoingsth.通过做某事10.Its+adj.+todosth.做某事是.的11.thebestwaytodosth.做某事的最好方式12.suchas例如13.spendtimewithsb.和某人一起度过时光14.startdoingsth.开始做某事,短语归纳,1.Howmanypercentofthestudentsdonotexerciseatall?2.HowmanypercentofthestudentsusetheInterneteveryday?3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?,2c,Readthearticleagainandanswerthequestions.,Twentypercent.,Ninetypercent.,Everyday.Gameshows.,Exercise.Itishealthyforthemindandthebody.,No.,Accordingtothearticleandthepiecharts,writesentenceswiththepercentagesusingalways,usuallyorsometimes.,2d,1.90%:,2.85%:,3.45%:,4.10%:,5.13%:,6.2%:,NinetypercentofthestudentsalwaysusetheInternet.,Eighty-fivepercentofthestudentswatchTVeveryday.,Forty-fivepercentofthestudentsexercisefourtosixtimesaweek.,TenpercentofthestudentsusetheInternetatleastthreeorfourtimesaweek.,ThirteenpercentofthestudentswatchTVfourtosixtimesaweek.,TwopercentofthestudentswatchTVonetothreetimesaweek.,_,_,_,_,_,_,3.percent百分数，基数词+percent：percent没有复数形式，作主语时，根据所修饰的名词来判断谓语的单复数。Fortypercentofthestudentsinourclassaregirls.Thirtypercentoftimepassed,2.find+宾语+名词,发现：Wehavefoundhim(tobe)agoodboy.find+宾语+形容词，发现：Hefoundtheroomdirty.find+宾语+现在分词，发现：Ifoundherstandingatthedoor.,1.free空闲的，有空的，反义词busy.befree有空，闲着，相当于havetime.Illbefreenextweek.=Illhavetimenextweek.befreetodosth.自由地做某事“免费的，自由的”,4.exercise做动词时，可作及物动词，也可作不及物动词。例如：Sheexercisestwoorthreetimesaweek.她一周锻炼两三次。Sheexercisesthedogeveryday.每天她都遛狗。【拓展】exercise作名词时，意为“锻炼；运动”时是不可数名词，意为“体操；练习”时是可数名词。例如：Ishouldeatlessfoodandtakemoreexercise.我应该少吃饭，多锻炼。Wedomorningexerciseseverymorning.我们每天早上都晨练.,5.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.通过上网或看娱乐节目放松是好的，但是我们认为最好的放松方式是通过锻炼。（1）Itsgoodtodosth.意为“做某事好”，它是“Its+adj.+todosth.”句型.it作形式主语例如：Itsgoodtoruninthemorning.早上跑步是好的。(2)thebestwaytodosth.意为“做某事最好的方法”也可表达为thebestwayofdoingsth.例如：Ihaveagoodwaytodowiththeproblem.我有一个处理这个问题的好方法。,(3)byusingtheInternetorwatchinggameshows，by作介词，表示“通过某种方式”。置于动名词前表示方法、手段、原因等。例如：Byworkinghardhemadegreatprogress.通过努力学习，他取得了很大的进步。Heearnshislivingbywriting.他靠写作为生。1.Itisveryimportantforus_Englishwell.2.itsverynice_you_myparentsyourbestwishes.3.Ioftenhavehamburgersf