【教学课件】Unit2第4课时示范课件（八上）

Unit2Howoftendoyouexercise?LessonFourSectionB(2a—2e)

Lookatthepicturesandsayouttheactivities.Warming-upWarming-upWhatdoyouusuallydoinyourfreetime?Howdoyourelaxyourselves,watchTV,playcomputergamesorexercise?FreetalkPre-readingRanktheseactivitiesaccordingtohowoftenyouthinkyourclassmatesdothem(1=mostoften,6-leastoften).Readandcompletethepiecharts.2b15202045109013285While-readingReadagainandanswerthequestions.1.Whatpercentofthestudentsdonotexerciseatall?2.WhatpercentofthestudentsusetheInterneteveryday?3.HowoftendomoststudentswatchTV?Whatdothey

usuallywatch?20%studentsdonotexerciseatall.90%studentsusetheInterneteveryday.MoststudentswatchTVeveryday.Theyusuallywatchgameshows.2cWhile-reading4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyor

whynot?Exercise,becauseitishealthyforthemindandthebodyandyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.No,Idon’tthinkso.BecausetheywatchTVmoreandexerciseless.While-readingAccordingtothearticleandthepiecharts,writesentenceswiththepercentagesusingalways,usuallyorsometimes.1.90%:2.85%:3.45%:4.10%:5.13%:6.2%:NinetypercentofthestudentsalwaysusetheInternet.Eighty-fivepercentofthestudentsalwayswatchTV.Forty-fivepercentofthestudentsusuallyexercise.TenpercentofthestudentsoftenusetheInternet.ThirteenpercentofthestudentsusuallywatchTV.TwopercentofthestudentssometimeswatchTV.2dWhile-readingPost-readingFillandretell45%1-3timesaweek20%atleast3or4timesaweek1-3timesaweek85%asksb.aboutsth.关于某事询问某人

e.g.SomeoneisaskingLucyaboutthewonderfulbuilding.1.Lastmonthweaskedourstudentsabouttheirfreetimeactivities.asksb.sth.询问某人某事

e.g.CanIaskyousomequestions?asksb.forsth.向某人要某物e.g.Pleaseasktheteacherforhelp.asksb.todosth.要求某人做某事e.g.Mymotherasksmetodomyhomeworkontime.Post-readingLanguagepoints2.Wefoundthatonlyfifteenpercentofourstudentsexercise

everyday.

percent百分之……，后常与of搭配e.g.Only15percentofourstudentsplaysportseveryday.注意：percent没有复数形式，做主语时根据它所修饰的名词来判断谓语的单复数。e.g.About70percentoftheearthiscoveredwithwater.Post-reading3.Andtwentypercentdonotexerciseatall!not…atall一点也不，根本不e.g.She

isn’t

goodatplayingsocceratall.She

can’t

speakChineseatall.She

doesn’t

likeexercisingatall.Post-reading4.Theanswertoourquestionsaboutwatchingtelevisionwere

alsointeresting.theanswerto………的答案注意：此处不可与of连用常用的词组有：Post-reading5.Althoughmanystudentsliketowatchsports,gameshowsare

themostpopular.although为连词，意为“虽然，尽管”。注意：在英语中，当表示“虽然……，但是……”这样的意思时，although和but不能在同一个句子中使用。也就是说，在一个句子中，有although就没有but，反之亦然。e.g.Althoughthecarisold,itstillrunswell.=Thecarisold,butitstillrunswell.

Post-reading6.ItisgoodtorelaxbyusingtheInternetorwatchinggame

shows,…句型：Itisadj.(+forsb.)todosth.it为形式主语，指代后面的todoe.g.ItisimportantforustolearnEnglishwell.Itisgoodforourhealthtoeatmorevegetables.Post-reading1—3timesaweek.Howoftendoyouplaysports?……Workinpairs.Askyourclassmateshowoftentheydothisactivityandmakeapiechart.2eHowoftendoyoureadbooks?Everyday.Post-readingSummary1.Lastmonthweaskedourstudentsabouttheirfreetimeactivities.2.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.3.Andtwentypercentdonotexerciseatall!4.Theanswertoourquestionsaboutwatchingtelevisionwerealsointeresting.5.Althoughmanystudentsliketowatchsports,gameshowsaret