2023学年完整公开课版八年级上册Unit2HowoftendoyouexerciseSe

PairworkA:Whatdoyouusuallydoinyourfreetime?B:

Iusually….A:Howoftendoyou…?B:

I…

twiceaweek.

Howaboutyou,…?A:Ioften…inmyfreetime.AndI…fourtosixtimesaweek.watchTVreadexercisegoshoppinggotothemovies…LeadinMyfreetimeactivities.Inmysparetime,Iusuallyspendtimewithmychildren.Ioftengoonlineathome，SometimesIdoexercise，Ithinkthebestwaytorelaxisthroughexercise.It'shealthyforthemindandthebody.AlthoughmanypopluarTVshowsonTV,IhardlyeverwatchTV.goonlineusetheInternetWhatdoyouusuallydoinyourfreetime?2aRanktheseactivitiesaccordingtohowoftenyouthinkofyourclassmatesdothem(1=mostoften,6=leastoften).watchTV gotothemoviesplaycomputergames exerciseorplaysportsusetheInternetgocampinginthecountry2Forme，ImostoftenwatchTV.

Ileastoftengotothemovies.GroupworkMakeareportlikethis:Hereareourresults,inourgroup,_____________studentslikewatchingTV,________studentslikeusingtheInternet,_______studentslikeplayingsports,___________studentslikedoingtheirhomework.Checkthesurveywhatyourgroupmembersusuallydointheirsparetime.AllthestudentsMoststudentsSomestudentsNostudents100%51%-99%1%-50%0%%percentPresentationWhataboutthestudentsinNO.5HighSchool?Para1Para2Para3Para4Para51.What'sthearticlemainlyabout?2.Whatactivitiesarementioned?ExerciseUseoftheInternetWatchingTVTopicparagraphPara2Para3Para4

Completethepiechartbelow.45132015209010852BodyReadagainandanswerthequestions.Para2Para3Para41.Whatpercentofthestudentsdonotexerciseatall?2.WhatpercentofthestudentsusetheInterneteveryday?3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?20%ofthestudentsdonotexerciseatall.90%ofthestudentsusetheInterneteveryday.MoststudentswatchTVeveryday.Theyusuallywatchsports,gameshows.everydayonetothreetimesaweekfourtosixtimesaweeknotexerciseatallalwayssometimesusuallyneverAccordingtothearticleandthepiecharts,writesentenceswiththepercentagesusingalways,usuallyorsometimes.1.90%:____________________________________________________________

2.85%:____________________________________________________________

3.45%:____________________________________________________________

4.10%:__________________________________________________________

5.13%:__________________________________________________________

6.2%:

___________________________________________________________

NinetypercentofthestudentsalwaysusetheInternet.Eighty-fivepercentofthestudentsalwayswatchTV.Forty-fivepercentofthestudentsusuallyexercise.TenpercentofthestudentsoftenusetheInternet.ThirteenpercentofthestudentsusuallywatchTV.TwopercentofthestudentssometimeswatchTV.2d2dPara5ReadPara5andchoosetherightanswers.1.Whatdoesthewriterthinkisthebestwaytorelax?A.Watchinggameshows.B.UsingtheInternet.C.ExercisingD.Spendingtimewithfamily.2.What'sthemeaningof“Oldhabitsdiehard”inChinese？A.开始改变B.旧习难改

C.旧习消失ConclusionAreportWhen:Who:What________________2.________________3.________________Thesuggestionofthewriter:Thebestwaytorelaxisthrough___________,It'shealthyforthe___________andthe____________.Let'sretell1.________________________________thestudentsinNO.5HighSchoolLastmonthexercisewatchTVuseofInternet45201520139010852exercisemindbody“Oldhabitsdiehard”,startexercisingbeforeit'slate.DiscussionDoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?No,Idon’tthinkso.NO.5HighSchool:FreetimeactivitiessurveyActivityeveryday1-3timesaweek4-6timesaweek3or4timesaweeknoExercise15%20%45%0%20%goonline90%10%WatchTV85%2%13%BecausemoststudentsuseInternetorwatchTVontheirfreetime.Theydon’tlikeexercising.It’sunhealthy.2eChooseoneofthesefreetimeactivitiesorthinkofyourown.Thenaskyourclassmateshowoftentheydothisactivityandmakeapiechart.Showthepiecharttoyourclass.Reportlikethis:Ijustasked8ofmyclassmatesabouttheirfreetimeactivities.Ourquestionisabout……Herearetheresults.Wefoundthat……(usually,always,sometimes,hardlyever,never)Weallknowthat……Allinall,……So,…Howcanwekeephealthy?●Eatmorehealthyfoodandlessjunkfood.●Trytoexerciseeveryday.●Everyone

mustsleep8or9hourseverynight.Discussion1.Andtwentypercentdonotexerciseatall!

not…atall“一点也不”，not应和be动词、助动词或情态动词连用。

e.g.这个故事一点也没有趣。他们根本不喜欢那次度假。那位老人一点也不会用电脑。(翻译)Thestoryisn’tinterestingatall.Theydidn’tenjoythevacationatall.Theoldmancan’tusethecomputeratall.Languagepoints2.Only

fifteenpercentofourstudents

exerciseeveryday.

Forty-fivepercent

exercisefourtosixtimesaweek.

Whatpercent

ofthestudentsdonotexerciseatall?

percent

n.

百分之……英语中百分数的表达形式为“基数词+percent”，percent无复数形式。当“百分数+of+the+名词”作主语时，谓语动词的单复数形式由of后面的名词的数来决定，即：of后面是复数可数名词时，谓语动词用复数形式；of后面是不可数名词或单数可数名词时，谓语动词用单数形式。再次使用“百分数+of+the+名词”结构时，如果该名词在前面已经提到，则可省略“of+the+名词”部分。对percent前面的基数词提问时用疑问词what。Let’sdo选词填空。1)60

percent

of

the

water

intheriver

___________(is/are)dirty.2)About80percentoftheyoungpeople___________(likes/like)popularmusic.3)___________(What/Howmuch)percentofthestudentsalwaysdrinkjuice?islikeWhat3.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.althoughconj.尽管，虽然；即使e.g.尽管天气很冷，但是我们还是去钓鱼了。(翻译)Wewentfishingalthoughitwascold.注意：although引导的从句不能与but连用，有although就没有but。e.g.尽管他离家很早，但是他还是迟到了。(翻译)

Althoughhelefthomeearly,hewaslate.=Helefthomeerly,buthewaslate.单项选择。1)______Simonhasdonewellinhisstudies,hestillworksreallyhard.A.Although

B.BecauseC.When2)—Howdoyoulikeyournewschool,Kate?—Itisverycleanandbeautiful______itisabitsmall.A.if

B.throughC.although

AD4.Itisgoodtorelaxbyusing

theInternetor

watching

gameshows,butwethink

thebestwaytorelaxisthroughexercise.①Itis+形容词+(forsb.)todosth.

(对某人来说)做某事……”。②

thebestwaytodosth.

做某事最好的方式③by和through用作介词时，都有“凭借；靠”的含义，后面接名词、代词或动词-ing形式。

【链接】

through用作介词时还可意为“穿过”，强调从某一空间内穿过。5.Exercisesuchasplayingsportsisfun…suchas“像……这样”，表示列举。

结构常为：名词+suchas+例子e.g.她喜欢像兔子、小鸟这样的小动物。(翻译)Shelikesanimalssuchas

rabbitsandbirds.6.Oldhabitsdiehard.旧习难改。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.Sostartexercisingbeforeit’stoolate!it’stoolate为时太晚；来不及了e.g.现在你知道你错了，但是已经太晚了。(翻译)Nowyouknowyou’rewrong,but

it’stoolate.it’stoolate与before共同组成从句，表示“不要等到为时已晚；不要等到来不及的时候；趁着还来得及”。e.g.你应当更加用功，别等到为时过晚而赶不上了。(翻译)Youshouldworkharderbeforeit’stoolatetocatchup.Summary1.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.spendti