Unit2Howoftendoyouexercise?watchTVgotothemoviesplaycomputergamesexerciseorplaysportsusetheInternetgocampinginthecountryReadingLanguagepoints2.Andtwentypercentdonotexerciseatall!not…atall意为“一点也不”，not应和be动词、助动词或情态连用。e.g.Thestoryisn’tinterestingatall.那个故事一点也没有趣。Theydidn’tenjoythevacationatall.他们根本不喜欢那次旅行。Theoldmancan’tusethecomputeratall.那位老人一点也不会用电脑。3.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.although连词，“尽管，虽然；即使”e.g.Wewentfishingalthoughitwascold.尽管天气很冷，但是我们还是去钓鱼了。4.…thebestwaytorelaxisthroughexercise.through介词，课文中意为“以，凭借”e.g.Hefoundthejobthroughanadinthenewspaper.他通过报纸上的一个广告找到这份工作。5.Exercisesuchasplayingsportsisfun…suchas意为“像……这样”，表示列举。结构常为：名词+suchas+例子e.g.Shelikesanimassuchasrabbitsandbirds.她喜欢像兔子、小鸟这样的小动物。6.Oldhabitsdiehard.旧习难改。这是英语中的一句谚语，表示习惯一旦养成并非朝夕即可改变，多用来描述人们一时难以改变的固有观念及做法。e.g.It’stheageofnewtechnology,butmygrandpastillgoeseverywherewithhisoldradio.Oldhabitsdirehard,yousee.现在都已经是新技术时代了，可我爷爷仍然到哪儿都带着他的收音机。你瞧，老习惯可真难改呀。7.Sostartexercisingbeforeit’stoolate!it’stoolate为时太晚；来不及了e.g.Nowyouknowyou’rewrong,butit’stoolate.现在你知道你错了，但是已经太晚了。Readthepassagecarefullyandcompletethepiechartbelow.1.Howmanypercentofthestudentdonotexerciseatall?2.HowmanypercentofthestudentsusetheInterneteveryday?3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?90%NinetypercentofthestudentsalwaysusetheInternet.2.85%3.45%4.10%5.13%6.2%Chooseoneofthesefreetimeactivitiesorthinkofyourown.Thenaskyourclassmateshowoftentheydothisactivityandmakeapiechart.Showthepiecharttoyourclass.1.---______doyoureadEnglishbooks?---IreadEnglishbookseveryday.A.HowlongB.HowoftenC.WhenD.How2.----WhatdoesMarydoonweekends?----Sheoften______theInternetathome.A.surfB.goonC.goesonD.surfs3.Theygotothemovies______.A.twiceaweekB.twiceofaweekC.aweektwiceD.twiceweek4.---HowoftendoesLilyplaysoccer?---Shedoesn’tlikeit,soshe______playsit.A.alwaysB.