人教版八年级英语上册unit2第四课时（SectionB2a-2e）1审

SectionB2a-2eUnit2Howoftendoyouexercise?八年级上册RJ初中英语1.Newwords:

result,percent,online,television,although,through,mind,such,together,die2.Expression:suchasLearninggoalsWhatactivitiesdoyouoftendoafterschool?gocampinginthecountryplaycomputergamesusetheInternetwatchTVdoexerciseorplaysportsgotothemovies去野营playsports=dosports

做运动DiscussionWarmingup

watchTV

gotothemovies

playcomputergames

exerciseorplaysports

usetheInternet

gocampinginthecountry2aRanktheseactivitiesaccordingtohowoftenyouthink

yourclassmatesdothem(1=mostoften,6=leastoften).Shareyouranswers.Makeadialogueortellastoryaccordingtothecontentsofthepicture.ReadthefollowingNumbersquickly.201545639013852bReadthearticleandcompletethepiecharts.15202045109013285

ExerciseUsetheInternet

WatchTVatleast3orfourtimesaweek1.Whatpercentofthestudentsdonotexerciseatall?2.WhatpercentofthestudentsusetheInterneteveryday?3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?2cReadthearticleagainandanswerthequestions.20%.90%.MoststudentswatchTVeveryday.Theyusuallywatchgameshows.4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?Thewriterthinksexerciseisthebestwaytorelax.Becauseitishealthyforthemindandthebody,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.No,Idon'tthinkso.BecausethestudentswatchTVtoomuchandsomestudentsdonotexerciseatall.WhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?Lastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Herearetheresults.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.Forty-fivepercentexercisefourtosixtimesaweek.Twentypercentexerciseonlyonetothreetimesaweek.Andtwentypercentdonotexerciseatall!要想快速获知统计结果，应先跳读“结果”部分。SurveyreportThemeResult倒装句Weallknowthatmanystudentsoftengoonline,butweweresurprisedthatninetypercentofthemusetheInterneteveryday.Theothertenpercentuseitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.OnlytwopercentofthestudentswatchTVonetothreetimesaweek.ThirteenpercentwatchTVfourtosixtimesaweek.Andeighty-fivepercentwatchTVeveryday!Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.Result······的答案ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“Oldhabitsdiehard.”Sostartexercisingbeforeit'stoolate!Conclusion旧习难改引出问题(Para.1)调查结果(Paras.2-4)Lastmonthweaskedourstudentsabouttheirfreetimeactivities.Exercise15%—everyday45%—fourtosixtimesaweek20%—onetothreetimesaweek20%—neverStructureUsetheInternet90%—everyday10%—atleastthreeorfourtimesaweekMoststudentsuseitforfunandnotforhomework.WatchTV2%—onetothreetimesaweek13%—fourtosixtimesaweek85%—everydayGameshowsarethemostpopular.得出结论(Para.5)Thebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.1.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.(教材P132b)(1)percent作名词，意为“百分之······”，单复数同形，如：onepercent百分之一，thirtypercent百分之三十。(2)“基数词+percent+of+the+名词”结构作主语时，谓语动词的单复数由该结构中的名词来决定。Twentypercentofthestudents

agreewithyou.Thirtypercentofthetime

passes.Languagepoints1.90%:_________________________________________2.85%:_________________________________________3.45%:_________________________________________4.10%:________________________________________5.13%:________________________________________6.2%:_________________________________________2dAccordingtothearticleandthepiecharts,write

sentenceswiththepercentagesusingalways,usuallyor

sometimes.NinetypercentofthestudentsalwaysusetheInternet.Eighty-fivepercentofthestudentsalwayswatchTV.Forty-fivepercentofthestudentsusuallyexercise.TenpercentofthestudentsusuallyusetheInternet.ThirteenpercentofthestudentsusuallywatchTV.TwopercentofthestudentssometimeswatchTV.2.Andtwentypercentdonotexerciseatall!(教材P132b)(1)not...atall表示强烈的否定，意为“根本不；一点儿也不”，atall通常位于句尾。Idon'tknowheratall.Hedidn’tdothehomeworkatall.Languagepoints—Thankyouforyourkindness. —Notatall.—WouldyoumindifIsmoke? —Notatall.

(2)notatall有“不用谢，别客气；没关系，一点也不介意”之意。3.Weallknowthatmanystudentsoftengoonline.(教材P132b)(1)online在此作副词，意为“在线；联网”。Itisfasterifyouapplyonline.(2)online还可作形容词，意为“在线的；联网的”。Weplantobuildanonlinedatabase.Onlineshoppingisbothcheapandconvenient,somanypeoplelikeshoppingonline.4.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.(教材P132b)(1)although作连词，相当于though，意为“

虽然；尽管；即使”，引导让步状语从句。Althoughthegirlisonlysixyearsold,sheknowsmorethan300ancientChinesepoems.(2)在英语中，表示“虽然······但是······”时，although/though不能和but同时使用。Althoughthemachineisold,itstillrunswell.

=Themachineisold,butitstillrunswell.5.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.(教材P132b)by在此处表示方式，作“通过”讲，后接名词、代词或动词-ing。Shemadethetoybyhand.Hemakesalivingbypainting.、Ilearntitbymyself.by乘······靠近；在······旁边不迟于；在······之前由······所作Ioftengotoschoolbybike.Tomsitsbythewindow.Momtoldmetocomebackby10:00.ThenovelbyMoYanisinteresting.6.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.(教材P132b)(1)through在此处作介词，表示方式，意为“以；凭借”。IknewthisnewsthroughtheInternet.(2)through作介词，还可意为“穿过；贯穿”，多指穿过门、窗、洞、森林、城市、隧道等。TheRiverThamesflowsthroughLondon.across介词throughovercross动词【易混辨析】across,through,

over和cross的区别从事物表面横过从事物内部穿过从事物上方越过相当于goacrossIwentacrosstheroad.Thethiefgotinthehousethroughthewindow.Sheclimbedoverthewall.Thebridgecrossovertheriver.7.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.(教材P132b)

【易混辨析】suchas和forexample的区别

suchasforexample意为“例如；像······这样”，通常用来列举同类人或事物中的几个例子。其前一般用逗号隔开，一般不宜与andsoon连用。意为“例如”，通常用来列举某一论点或情况，一般只列举同类人或事物中的一个，在句中作插入语。用逗号与前后隔开，可置于句首、句中或句末。Shedoeswellinmanysubjects,suchasmath,physicsandchemistry.Trafficrulesshouldbeobeyed.Forexample,neverlistentomusicwhileridingabike.8.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.(教材P132b)spend在此作及物动词，意为“度过”。此外，spend还可表示“花费（时间、金钱）”，此时常用于以下结构：sb.spend(s)timeonsth./(in)doingsth.某人花费时间在某物上/做某事sb.spend(s)moneyonsth./ondoingsth.某人花费金钱在某物上/做某事spendOnweekends,mybrotherandIoftenspendtimeonthebeach.Ispent150yuanonthispairofshoes.StephenHawkingspenthiswholelifestudytheuniverse.9.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.(教材P132b)together作动词，意为“在一起；共同”。Wegrewuptogether.【拓展】togetherwith表示“和······一起”，连接两个主语时，谓语动词的数与前一个主语保持一致。Mr.GreentogetherwithhischildrengoestotheparkeverySunday.与Mr.Green这一主语保持一致10.Oldhabitsdiehard.(教材P132b)Thefamoussingerdiedattheageofthirty-two.Theflowerhasbeendeadformorethantendays.die常用作不及物动词，意为“消失；灭亡；死亡”其后不能直接跟宾语，且die是短暂性动词，不能与表示一段时间的状语连用。如果表示状态，与一段时间连用，要用bedead。deathn.死亡【拓展】diev.死亡deadadj.

死的dyingadj.

垂死的ThedeathofmypetMimimademeverysad.Mypetdiedtwoweeksago.Themanhasbeendeadfortwoyears.Thelittlegirlcriedwhenshesawherdyingcat.playcomputergamesreadbooksgoshoppingdrawpicturesplaysports2eChooseoneofthesefreetimeactivitiesorthinkofyour

own.Thenaskyourclassmateshowoftentheydothis

activityandmakeapiechart.Showthepiechartto

yourclass.Howoftendoyou...?Namesofclassmates1-3timesaweek4-6timesaweekeverydayactivities...percentplayingcomputergamesusingtheinternetwatchingTVlisteningtomusicplayingsportsIthinkinourgroup,_____percentlike...DoasurveyInourgroup,______studentslikeplayingcomputergames.______studentslikeusingtheInternet.______studentslikewatchingTV.______studentslikelisteningtomusic.______studentslikeplayingsports.Showyourreport1.Onlysix______oftenstudentshere______fromChinaandtheyareveryhard-working.A.percent;areB.hundred;isC.percent;isD.hundreds;are一、单项选择2.(2020·天水中考)He

mostofhistime

English.A.spends;studying

B.costs;studied

C.takes;tostudy

D.pays;studiesAAExercises

3.

(2020·南京中考)WestillknowlittleabouttheMoon

menhavelandedonit.A.if

B.since