2015年新目标人教版八年级英语上册Unit2--How-often-do-you-exercise

复习提高Doyouhaveahealthylifestyle?eatvegetableseatfruiteatlittlejunkfoodsleepninehourseverynightdrinkmilkexerciseahealthylifestyleeatinghabitseatriceformealsAretheyingoodhealth(=healthy)?Ofcourse,theyaren’t.Whyaretheysoheavy?Becausetheireatinghabitsarebad.TheylikeeatingjunkfoodHowcanwekeephealthy?Trytoeatmorehealthyfoodandlessjunkfood.Trytoexerciseeveryday.Everyonemustsleep8or9hourseverynight.1.Eatriceformeals.2.Trytoeatvegetableseveryday.3.Eatfruiteveryday.4.Eatsomemeatsometimes.5.Don’teatthefoodwithtoomuchoil.6.Drinksomemilkeveryday.keephealthyeatinghabitsWhohasbettereatinghabits?Whoselifestyleisbetter?“unhealthy”.Lisasleepseighthourseverynight.Sheeatsagoodbreakfastandsheexerciseseveryday.Shenevereatsjunkfood.healthy/unhealthyLucylikestowatchTV.Onweekends,sheneverexercisesandshedoesn’tlikefruitsorvegetables.Sheeatsjunkfood.AndPamnevergoestothedoctor.healthy/unhealthyPeteristallandthin.HeplaystennisthreetimesaweekandherunsfivemileseverySaturday.HeneverwatchesTV.Heeatsfruitsandvegetableseverydayandsleepsninehourseverynight.healthy/unhealthyReadabouteachperson.Thencircle“healthy”orIthinkinourclass,_____studentslikeAllstudents?=100%Moststudents?=51%-99%Somestudents?=1%-50%Nostudents?=0%usingtheinternet/playingtabletennis./listeningtomusic./goingtothemovies.all/......Inourclass,_____studentslikeusingtheInternet._____studentsLikeplayingsports.____studentslikewatchingTV.Asforhomework,______studentslikedoingit.2aRanktheseactivitiesaccordingtohowoftenyouthinkyouclassmatesdothem(1=mostoften,6=leastoften)去乡下露营做运动2bReadthearticleandcompletethepiechartsonthenextpage.WhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?WhatdoNo.5HighschoolstudentsdointheirfreetimeLastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Herearetheresults.Wefoundthatonly15percentofourstudentsexerciseeveryday.45percentexercisefourtosixtimesaweek.20percentexerciseonlyonetothreetimesaweek.And20percentdonotexerciseatall!Weallknowthatmanystudentsoftengoonline,butweweresurprisedthat90%ofthemusetheInterneteveryday.Theother10%useitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.2bTheanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.Only2%ofthestudentswatchTVonetothreetimesaweek.13%watchTVfourtosixtimes.And85%watchTVeveryday!Althoughmanystudentsliketowatchsports,gamesshowsarethemostpopular.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“oldhabitsdiehard”.Sostartexercisingbeforeit’slate!它对于大脑和身体是健康的。Readthearticleandcompletethepiecharts154520209010213852b15%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.not…atall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.It‟s+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?2cReadthearticleagainandanswerthequestions.Twentypercent.Ninetypercent.Everyday.Gameshows.Exercise.Itishealthyforthemindandthebody.No.Accordingtothearticleandthepiecharts,writesentenceswiththepercentagesusingalways,usuallyorsometimes.2d1.90%: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.Thirtypercentoftimepassed2.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.I‘llbefreenextweek.=I’llhavetimenextweek.befreetodosth.自由地做某事“免费的，自由的”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）It’sgoodtodosth.意为“做某事好”，它是“It’s+adj.+todosth.”句型.it作形式主语例如：It’sgoodtoruninthemorning.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。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】exerc