unit22013秋新课标八年级上英语.ppt

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.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。,6.although尽管.但是.,Although不能与but连用.,AlthoughIampoor,butIamhappy.,Althoughmanystudentsliketowatchsports,gameshowsarethemo