Unit2Howoftendoyouexercise？SectionB2a2e课件人教版英语八年级上册

Unit

2How

often

do

you

exercise?Section

B

12a-2etelevisionbodyonlinemindtogetherNew

wordsLet’s

do

a

survey.Whatdoyoudoinyourfreetime?Doingexercise,useoftheInternetorwatchingTV?Whatactivitiesdoyouthinkishealthyforthemindandthebody?Reading2bRead

the

passage

quickly

and

find

the

answer

to

the

questions

below.Howmanykindsoffreetimeactivitiesarementionedinthepassage?__________________________________2.Whatisthebestwaytorelax?__________________________________Three.Thebestwaytorelaxisthroughexercise.Lastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Herearetheresults.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.Forty-fivepercentexercisefourtosixtimesaweek.Twentypercentexerciseonlyonetothreetimesaweek.Andtwentypercentdonotexerciseatall!Weallknowthatmanystudentsoftengoonline,butweweresurprisedthatninetypercentofthemusetheInterneteveryday.Theotherthenpercentuseitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.WhatDoNo.5HighSchoolStudentsDoinTheirFreeTimeTheanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.OnlytwopercentofthestudentswatchTVonetothreetimesaweek.ThirteenpercentwatchTVfourtosixtimesaweek.Andeighty-fivepercentwatchTVeveryday!Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“oldhabitsdiehard”.Sostartexercisingbeforeit’stoolate!Read

the

passage

carefully

and

complete

the

pie

chart

below.201520451090132852cRead

the

article

again

and

answer

the

questions.1.Howmanypercentofthestudentsdonotexerciseatall?_________________________________2.HowmanypercentofthestudentsusetheInterneteveryday?_________________________________Ninetypercentstudents.Twentypercentstudents.3.HowoftendomoststudentswatchTV?_________________________________Whatdotheyusuallywatch?_________________________________4.Whatdoesthewriterthinkisthebestwaytorelax?_______________________________Why?__________________________________MoststudentswatchTVeveryday.Theyusuallywatchsports,gameshows.It’s

healthyforthemindandthebody.Exercise.5.DoyouthinkthestudentsinNo.5arehealthy?_________________________________Whyorwhynot?___________________________________________________________________________________________________No,Idon’tthinkso.BecausemoststudentsuseInternetorwatchTVontheirfreetime.Theydon’tlikeexercising.It’sunhealthy.2dAccording

to

the

article

and

the

pie

charts,

write

sentences

with

the

percentages

using

always,

usually

or

sometimes.1.90%：____________________________________________________2.85%:____________________________________________________3.45%:_______________________________________________________EightypercentofthestudentsalwayswatchTV.NinetypercentofthestudentsalwaysusetheInternet.Forty-fivepercentofthestudentsusuallyexercise.4.10%:_________________________________________________________5.13%:__________________________________________________________6.2%:_________________________________________________________TenpercentofthestudentssometimesusetheInternet.ThirteenpercentofthestudentsusuallywatchTV.TwopercentofthestudentssometimeswatchTV.Language

points1.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.

percent名词，意为“百分之……”e.g.Eightypercentofthestudentsinourclassexerciseeveryday.

我们班里80%的学生每天都锻

炼。【注意】percent做主语时，谓语动词的数要根据其后面的名词来确定。e.g.Fiftypercentoftheapplesarebad.50%的苹果都坏了。Twentypercentofthemeatisinthefridge.20%的肉都在冰箱。2.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’tusethecomputer

atall.

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。注意：although引导的从句不能与but连用。e.g.尽管他离家很早，但是他还是迟到了。Althoughhelefthomeearly,buthewaslate.(×)Althoughhelefthomeearly,hewaslate.(√)[中考链接]Mycousinknowsalotaboutgeography,______heisonlyfouryearsold.A.because B.so C.althoughC4.…thebestwaytorelaxisthroughexercise.

through介词，课文中意为“以，凭借”e.g.Hefoundthejobthroughanadvertisementinthenewspaper.

他通过报纸上的一个广告找到这份

工作。[拓展]through还有“穿过”之意。表示“从……内部穿过”。e.g.Theywentthroughtheforestyesterday.

昨天他们穿过了森林。5.Exercisesuchasplayingsportsisfun…suchas意为“像……这样”，表示列举。

结构常为：名词+suchas+例子e.g.Shelikesanimassuchas

rabbitsandbirds.

她喜欢像兔子、小鸟这样的小动

物。注意：其后面不可列举出所有的事物。如：我了解四种语言，例如英语、汉语。Iknowfourlanguages,suchas,EnglishandChinese.(√)Iknowfourlanguages,suchas,English,French,JapaneseandChinese.(×)

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.Oldhabitsdiehard,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.Sostartexercisingbefore

it’stoolate!it’stoolate为时太晚；来不及了e.g.Nowyouknowyou’rew