2023學(xué)年完整公開(kāi)課版八年級(jí)上冊(cè)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.開(kāi)始改變B.舊習(xí)難改

C.舊習(xí)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“一點(diǎn)也不”，not應(yīng)和be動(dòng)詞、助動(dòng)詞或情態(tài)動(dòng)詞連用。

e.g.這個(gè)故事一點(diǎn)也沒(méi)有趣。他們根本不喜歡那次度假。那位老人一點(diǎn)也不會(huì)用電腦。(翻譯)Thestoryisn’tinterestingatall.Theydidn’tenjoythevacationatall.Theoldmancan’tusethecomputeratall.Languagepoints2.Only

fifteenpercentofourstudents

exerciseeveryday.

Forty-fivepercent

exercisefourtosixtimesaweek.

Whatpercent

ofthestudentsdonotexerciseatall?

percent

n.

百分之……英語(yǔ)中百分?jǐn)?shù)的表達(dá)形式為“基數(shù)詞+percent”，percent無(wú)復(fù)數(shù)形式。當(dāng)“百分?jǐn)?shù)+of+the+名詞”作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的單復(fù)數(shù)形式由of后面的名詞的數(shù)來(lái)決定，即：of后面是復(fù)數(shù)可數(shù)名詞時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式；of后面是不可數(shù)名詞或單數(shù)可數(shù)名詞時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式。再次使用“百分?jǐn)?shù)+of+the+名詞”結(jié)構(gòu)時(shí)，如果該名詞在前面已經(jīng)提到，則可省略“of+the+名詞”部分。對(duì)percent前面的基數(shù)詞提問(wèn)時(shí)用疑問(wèn)詞what。Let’sdo選詞填空。1)60

percent

of

the

water

intheriver

___________(is/are)dirty.2)About80percentoftheyoungpeople___________(likes/like)popularmusic.3)___________(What/Howmuch)percentofthestudentsalwaysdrinkjuice?islikeWhat3.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.althoughconj.盡管，雖然；即使e.g.盡管天氣很冷，但是我們還是去釣魚(yú)了。(翻譯)Wewentfishingalthoughitwascold.注意：although引導(dǎo)的從句不能與but連用，有although就沒(méi)有but。e.g.盡管他離家很早，但是他還是遲到了。(翻譯)

Althoughhelefthomeearly,hewaslate.=Helefthomeerly,buthewaslate.單項(xiàng)選擇。1)______Simonhasdonewellinhisstudies,hestillworksreallyhard.A.Although

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

B.throughC.although

AD4.Itisgoodtorelaxbyusing

theInternetor

watching

gameshows,butwethink

thebestwaytorelaxisthroughexercise.①I(mǎi)tis+形容詞+(forsb.)todosth.

(對(duì)某人來(lái)說(shuō))做某事……”。②

thebestwaytodosth.

做某事最好的方式③by和through用作介詞時(shí)，都有“憑借；靠”的含義，后面接名詞、代詞或動(dòng)詞-ing形式。

【鏈接】

through用作介詞時(shí)還可意為“穿過(guò)”，強(qiáng)調(diào)從某一空間內(nèi)穿過(guò)。5.Exercisesuchasplayingsportsisfun…suchas“像……這樣”，表示列舉。

結(jié)構(gòu)常為：名詞+suchas+例子e.g.她喜歡像兔子、小鳥(niǎo)這樣的小動(dòng)物。(翻譯)Shelikesanimalssuchas

rabbitsandbirds.6.Oldhabitsdiehard.舊習(xí)難改。諺語(yǔ)，表示習(xí)慣一旦養(yǎng)成，并非朝夕即可改變，多用來(lái)描述人們一時(shí)難以改變的固有觀念及做法。e.g.It’stheageofnewtechnology,butmygrandpastillgoeseverywherewithhisoldradio.Oldhabitsdiehard,yousee.現(xiàn)在都已經(jīng)是新技術(shù)時(shí)代了，可我爺爺仍然到哪兒都帶著他的收音機(jī)。你瞧，老習(xí)慣可真難改呀。7.Sostartexercisingbeforeit’stoolate!it’stoolate為時(shí)太晚；來(lái)不及了e.g.現(xiàn)在你知道你錯(cuò)了，但是已經(jīng)太晚了。(翻譯)Nowyouknowyou’rewrong,but

it’stoolate.it’stoolate與before共同組成從句，表示“不要等到為時(shí)已晚；不要等到來(lái)不及的時(shí)候；趁著還來(lái)得及”。e.g.你應(yīng)當(dāng)更加用功，別等到為時(shí)過(guò)晚而趕不上了。(翻譯)Youshouldworkharderbeforeit’stoolatetocatchup.Summary1.asksb.aboutsth.向某人詢(xún)問(wèn)某事

2.主語(yǔ)+find+that從句…發(fā)現(xiàn)…3.fourtosixtimesaweek每周四至六次

4.not…atall根本不…一點(diǎn)也不…5.goonline,usetheInternet上網(wǎng)

6.besurprised感到驚奇

7.atleast至少

8.threeorfourtimesaweek每周三到四次

9.bydoingsth.通過(guò)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