Unit2SectionB2a-2e课件【知识精讲精研】人教版八年级英语上册

Unit2Howoftendoyouexercise?SectionB(2a-2e)Whatdoyouusuallydoinyourfreetime?playthepianoplaybasketballgoshoppinghelpwithhouseworkgotothemoviesWhatelse?watchTVplaycomputergamesgoonlineexerciseusetheInternetRanktheseactivitiesaccordingtohowoftenyouthinkyourclassmatesdothem(1=mostoften,6=leastoften).watchTV gotothemoviesplaycomputergames exerciseorplaysportsusetheInternetgocampinginthecountryn.头脑;心智n.身体Whatactivitiesdoyouthinkishealthyforthemindandthebody?Readthetitle,what’sthesurveyreportabout?It’sabout

.AIt’saboutstudents’freetimeactivities.BIt’saboutstudents’study.CIt’saboutusingtheinternet.

Task1FastreadingWheredoesthissurveyreportmaycomefrom?StorybookSciencebookSchoolnewspaperTravelguide

Task2Skimandmatch

SurveyBackgroundSurveyResultConclusionSkimthearticleandmatcheachparagraphwiththefollowingparts.Results(结果)Comments(结论)Topic(话题)Para.1Para.2,3,4Para.5ReadPara.1andfillintheblankswhenwhatwho

questionsabout,

and.

lastmonthNo.5high

schoolstudentsexerciseuseoftheInternetwatchingTVWhataretheresults?

ReadPara.2-4andfillthepiechartsExerciseUsetheInternetwatchingTV

%4-6timesaweek

%1-3timesaweek

%everyday

%noexercise

%everyday

%3-4timesaweek

%everyday

%4-6timesaweek

%1-3timesaweek45202015109085132ReadPara.2andanswer:WhatdoyouthinkofthestudentsatNo.5?Theyarelackofexercising.Theyareunhealthy.ReadPara.3andanswer:UsetheInternet

%everyday

%3-4timesaweek109090%Howdoesthewriterfeel

aboutsomanystudentsusingtheInterneteveryday?Surprised!WhatdomoststudentsusetheInternetfor?ForfunandnotforhomeworkReadPara.4andanswer:WatchingTVHowdoesthewriterfeelabouttheanswertothequestionsaboutwatchingTV?Interested!Whatdostudentsusuallywatch?Sportsandgameshows

%everyday

%4-6timesaweek

%1-3timesaweek21385CABReadPara.5andanswer:Whichoneisnotthewriter’sideainPara.5?DWeshouldstartexercisingnow.Exerciseisgoodforthemindandbody.WhenyouusetheInternet,youcanspendtimewithyourfriendsandfamily.It’sbettertorelaxbyexercisethanusingtheInternetandwatchingTV.Thebestwaytorelaxisthroughexercise.

It’shealthyforthemindandbody.Readthearticleagainandanswerthequestions.1.Whatpercentofthestudentsdonotexerciseatall?2.WhatpercentofthestudentsusetheInterneteveryday?NinetypercentofthestudentsusetheInterneteveryday.Twentypercentofthestudentsdonotexerciseatall.3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?MoststudentswatchTVeveryday.Theyusuallywatchgameshows.4.Whatdoesthewriterthinkisthebestwaytorelax?Why?

5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?Thewriterthinksexerciseisthebestwaytorelaxbecauseit’shealthyforthemindandbody,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.n.

作者No,Idon’tthinkso.BecausemostofthestudentsuseInternetorwatchTVintheirfreetime.Theydon’tlikeexercising.It’sunhealthy.Accordingtothearticleandthepiecharts,writesentenceswiththepercentagesusingalways,usuallyorsometimes.1.90%:2.85%:3.45%:Eighty-fivepercentofthestudentsalwayswatchTV.NinetypercentofthestudentsalwaysusetheInternet.Forty-fivepercentofthestudentsusuallyexercise.4.10%:5.13%:6.2%:Tenpercentofthestudentsoften

usetheInternet.ThirteenpercentofthestudentsusuallywatchTV.TwopercentofthestudentssometimeswatchTV.2dTask4mind-mapWhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?Lastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Hereareresults.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.Forty-fivepercentexercisefourtosixtimesaweek.Twentypercentexerciseonlyonetothreetimesaweek.Andtwentypercentdonotexerciseatall!Weallknowthatmanystudentsoftengoonline,butweweresurprisedthatninetypercentofthemusetheInterneteveryday.Theothertenpercentuseitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.OnlytwopercentofthestudentswatchTVonetothreetimesaweek.ThirteenpercentwatchTVfourtosixtimesaweek.Andeighty-fivepercentwatchTVeveryday!Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“Oldhabitsdiehard.”Sostartexercisingbeforeit'stoolate.TopicResultConclusionWhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?引出问题(Para.1)调查结果(Para.2-4)得出结论(Para.5)freetimeactivitiesUsetheInternetExerciseWatchTV15%—everyday45%—fourtosixtimesaweek20%—onetothreetimesaweek20%—never90%—everyday10%—atleastthreeorfourtimesaweekMoststudentsuseitforfunandnotforhomework.2%—onetothreetimesaweek13%—fourtosixtimesaweek85%—everydayGameshowsarethemostpopular.Thebestwaytorelaxisthroughexercise.It'shealthyforthemindandthebody.WhatDoNo.

5HighSchoolStudentsDoinTheirFreeTime?Lastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Herearetheresults.result作名词，意为“结果；后果”，常用短语：theresultof………的结果asaresult结果；因此asaresultof因为；由于result作动词，意为“由……造成；因……发生”常用短语：resultin导致；造成asksbaboutsth询问某人关于某事here开头的倒装句：当here位于句首，且句子的谓语动词是be动词或come,go等时，句子的主语和谓语要颠倒位置，构成倒装。here位于句首，若句子的主语是代词，则句子不用倒装。E.g.Hereyouare.Wefoundthatonlyfifteenpercentofourstudents

exerciseeveryday.Forty-fivepercentexercisefourtosixtimesaweek.Twentypercentexerciseonlyonetothreetimesaweek.Andtwentypercentdonotexerciseatall!宾语从句“基数词+percent+of+名词”作主语时，谓语动词的单复数要与of后面的名词单复数保持一致。not…atall“一点也不；根本不”。not常位于be动词、助动词或情态动词之后，atall放在句尾，用来加强否定语气。Weallknowthatmanystudentsoftengoonline,butweweresurprisedthatninetypercentofthemusetheInterneteveryday.Theothertenpercentuseitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.=usetheInternet至少Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.OnlytwopercentofthestudentswatchTVonetothreetimesaweek.ThirteenpercentwatchTVfourtosixtimesaweek.Andeighty-fivepercentwatchTVeveryday!Although

manystudentsliketowatchsports,gameshowsarethemostpopular.theanswerto…“……问题的答案/回答”thekeyto………的钥匙theway(to)…去……的路theticketto………的票

ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“Oldhabitsdiehard.”Sostartexercisingbeforeit’stoolate!形式主语不定式（短语）是真正的主语旧习难改before引导时间状语从句不定式（短语）作后置定语mind作名词，意为“头脑；心智”常用短语如下：makeupone’smind下决心changeone’smind改变某人的想法inone’smind在某人看来；在某人心里keep…inmind把……记在心里拓展:mind作动词，意为“介意”，常用句型“Wouldyoumind(one’s)doing…?”“你介意（……）做……吗？”die过去式：died 过去分词：dying拓展die的相关词：dyingadj.奄奄一息的deadadj.死的deathn.死亡1.Andtwentypercentdonotexerciseatall!

还有百分之二十的同学根本就锻炼！

not…atall根本不；完全不；一点也不notatall还可用于交际中，作回答道谢的客套语：不用谢，哪儿的话。e.g.Andyisn’tgoodatplayingchessatall.—Thanksforyourhelp,Grace.—Notatall.【语境应用】I.汉译英这只猫一点也不可爱。

Thecatisn'tcuteatall.II.单项选择—Thankyouverymuchforspeakingwithus.—_______.A.Toobad

B.GoodideaC.Notatall

D.OfcoursenotC2.Only

twopercentofthestudentswatch

TVonetothreetimesaweek.

只有百分之二的学生一周看一至三次电视。Thirteenpercent

watchTVfourtosixtimesaweek.

百分之十三的人一星期看四至六次电视。

Whatpercent

ofthestudentsdonotexerciseatall?百分之多少的学生根本不运动?percent

n.

百分之……1)百分数的表达：基数词+percent，percent无复数形式。2)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：of后面是可数名词的复数形式时，谓语动词用复数形式；of后面是不可数名词或可数名词的单数形式时，谓语动词用单数形式。3)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，可省略“of+the+名词”部分。4)对percent前面的基数词提问时用疑问词what。【语境应用】选词填空。1)30percentofourdrinkingwater_______(comes/come)fromthatriver.2)_______(What/Howmuch)percentofthechildrenwatchTVeveryday?3)80percentoftheteachersinourschool_______(is/are)womenteachers.arecomesWhatalthoughconj.尽管;虽然;即使表达习惯中，表示

“虽然……,但是……”，although不和but在同一个句子中使用，只能用其中一个。3.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.

虽然许多学生喜欢观看体育节目，但游戏类节目却是最受欢迎的。e.g.Althoughthecarisold,itstillrunswell.Thecarisold,butitstillrunswell.Idon’twanttogotobed,althoughit’spastmidnight.It’spastmidnight,butIdon’twanttogotobed.【语境应用】I.单项选择1)________itrainedalot,weenjoyedourholiday.A.Although

B.Because

C.Unless

D.However2)________mygrandpaisover80yearsold,hestilllooksstrongandhealthy.A.Although

B.Because

C.Unless3)________it'sapublicholidaytoday,somefirefightersinourcityarestillonduty.A.Although

B.Once

C.IfAAAII.翻译句子。虽然Tom才五岁，但是他篮球打得很好。AlthoughTomisonly5yearsold,hecanplaybasketballwell./Tomisonly5yearsold,buthecanplaybasketballwell.4.Itisgoodtorelaxbyusing

theInternetor

watching

gameshows,butwethink

thebestwaytorelaxisthroughexercise.

通过使用网络或观看游戏类节目来放松是件好事，但我们认为最佳的放松方式是通过锻炼。Itis+adj.+(forsb.)todosth.(对某人来说)做某事……e.g.Itisimportantforustolearnfromothers.

对我们来说向别人学习很重要。Itisgoodtorelax...

中的torelax在句中作真正的主语，it是形式主语;...thebestwaytorelax...

中的torelax在句中作定语,修饰前面的名词way。through用作介词时还可意为“穿过”。e.g.Billstudiesmathby/throughdoingalotofexercises.Therivergoesthroughthetownfromeasttowest.3)by和through用作介词表方式时，都有“凭借；靠”的含义，后面接名词(短语)、代词或动词-ing形式。by在此处表示方式，常为“通过”，后接名词、代词或动词-ing。Hemakesalivingbypainting.by乘……靠近；在……旁边不迟于；在……之前由……所作Ioftengotoschoolbybike.Tomsitsbythewindow.Momtoldmetocomebackby10:00.ThenovelbyMoYanisinteresting.(1)through在此处作介词，表示方式，意为“以；凭借”。(2)through作介词，还可意为“穿过；通过”，多指穿过门、窗、洞、森林、城市、隧道等。across介词从事物表面横过Iwentacrosstheroad.through从事物内部穿过Thethiefgotinthroughthewindow.over从事物上方越过Sheclimbedoverthewall.cross动词相当于goacrossHecrossedtheAtlantictwice.throughprep.以；凭借；穿过Point2【语境应用】完成句子。1)Youcanmakeyourdreamcometrue____________(by/through)hardwork.2)Myunclemakesmoney___________(by/through)writing.3)TheYellowRivergoes__________(by/through)ShanxiProvince.4)那不是学英语最好的方法。That’snotthebestway______________English.5)对我来说用英语记日记很难。_______difficult____________________________adiaryinEnglish.by/throughby/throughthroughtolearnIt’sformetokeep5.Exercisesuchasplayingsportsisfun…

诸如参加体育运动这样的锻炼方式是有趣的……suchas例如;像……这样

suchas&forexamplesuchas和forexample都有“例如”的意思suchas用来列举例子时，其后紧跟所列举的内容，如人或事物等。e.g.Cartooncharacters(卡通人物)suchasMickeyMouseandSnoopyarestillpopular.Maryhasmanyhobbies(业余爱好),suchasswimming,dancingandrunning.e.g.Manycountries,forexampleMexicoandJapan,havealotofearthquakes(地震).Myunclevisitedmanycountries,forexample,Australia.TherearealotofthingstodoinBeijing.Forexample,youcanvisittheGreatWall.Wehavemanyrulestofollowatschool.Wemustwearschooluniforms(校服)everyday,forexample.forexample用来举例时，常用逗号与被说明的内容隔开，forexample给出例子时，也可以用句子来说明。forexample在句中的位置比较灵活，位于句首、句中或句末均可。【语境应用】根据句意选用suchas或forexample填空。1)Manyboys,________________,JohnandMike,likebasketball.2)Marylikestoeatfruit________________bananasandapples.3)Wecandomanythingsduringtheholiday.________________,wecangoswimmingwithJack.

Forexampleforexamplesuchas6.Oldhabitsdiehard.旧习难改。e.g.Itisimportanttoworkhardbutwemustalsohavetimetorelax.(翻译)

努力地工作是重要的，但我们也必须有时间放松。谚语，表示习惯一旦养成，并非朝夕即可改变。diehard(旧习惯、传统等)难以改变;根深蒂固hardadv.费力地;艰难地;努力地7.Sostartexercisingbeforeit’stoolate!

所以赶快锻炼起来，不要等到来不及了！e.g.现在你知道你错了，但是已经太晚了。(翻译)Nowyouknowyou’rewrong,butit’stoolate.

你应当更加用功，别等到为时过晚而赶不上了。(翻译)Youshouldworkharderbeforeit’stoolatetocatchup.it’stoolate为时太晚；来不及了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。”Listenandfollow.WhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?Lastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Hereareresults.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.Forty-fivepercentexercisefourtosixtimesaweek.Twentypercentexerciseonlyonetothreetimesaweek.Andtwentypercentdonotexerciseatall!Weallknowthatmanystudentsoftengoonline,butweweresurprisedthatninetypercentofthemusetheInterneteveryday.Theothertenpercentuseitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.OnlytwopercentofthestudentswatchTVonetothreetimesaweek.ThirteenpercentwatchTVfourtosixtimesaweek.Andeighty-fivepercentwatchTVeveryday!Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“Oldhabitsdiehard.”Sostartexercisingbeforeit'stoolate.Choose