成都专版八年级英语上册Unit2HowoftendoyourciseSectionB2a-2e教学人教新目标版.ppt

Period4SectionB(2a-2e),Unit2Howoftendoyouexercise?,学习目标,Keywords&phrases:result，percent，online，television，althoughplaycomputergames，usetheInternet，gocamping，goonlineKeysentences:1.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.2.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.3.ItsgoodtorelaxbyusingtheInternet4.Howmanystudentsdonotexerciseatall?,Newwordsandphrases,resultn.percentn.onlineadj.televisionn.althoughprep.throughconj.mindn.,结果；后果百分之在线的；联网的电视节目；电视机虽然；尽管；即使以；凭借；穿过头脑；心智,bodyn.suchadj.&pron.suchastogetheradv.diev.writern.,身体这样的；那样的；类似的例如；像这样在一起；共同消灭；灭亡；死亡作者；作家,Howoftendoyou?,Howoftendoyou?,Isleepeighthourseverynight.,Howmanyhoursdoyousleepeverynight?,begoodforourhealth,bebadforourhealth,Ranktheseactivitiesaccordingtohowoftenyouthinkyourclassmatesdothem(1=mostoften,6=leastoften).,watchTVgotothemoviesplaycomputergamesexerciseorplaysportsusetheInternetgocampinginthecountry,15,4timesaweek,85,90,20,20,2,13,10,45,Readthearticleandcompletethepiechartsonthenextpage.,Readthearticleagainandanswerthequestions.,1.Howmanypercentofthestudentsdonotexerciseatall?2.HowmanypercentofthestudentsusetheInterneteveryday?,Twentypercentofthestudentsdonotexerciseatall.,NinetypercentofthestudentsusetheInterneteveryday.,3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?,MoststudentswatchTVeveryday.Theyusuallywatchgameshows.,Thewriterthinksexerciseisthebestwaytorelaxbecauseitshealthyforthemindandbody,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.,1.notatall用于否定句，意为“根本不、一点也不”。如：Itwasntdifficultatall.这一点也不难。Therewasnothingtoeatatall.根本没什么可吃的。,注：在否定句中，atall可位于句末，也可跟在否定词后。如：Heisnttiredatall./Hesnotatalltired.他一点也不累。,LanguagePoints,另外，在口语中单独说notatall,可用来回答感谢或道歉。如：A：Thankyouverymuch.多谢你了。B：Notatall.不客气。A：Imsorrytokeepyouwaiting.对不起，让你久等了。B：Oh,notatall.噢，没关系。,2.atleast至少例如：Weshouldbrushourteethatleasttwiceaday.我们每天应该至少刷两次牙。Agoodcigarettewillsmokeatleasttenminutes.一支好烟至少可以抽10分钟。反义短语：atmost至多3.although虽然；尽管例如：Althoughmyuncleisold,helooksverystrongandhealthy.我的叔叔虽然老了，但他看上去还是很健壮。注意：although引导的从句不能与but,however连用，但可与yet,still连用。,4.Itis+adj.todosth.做某事是的例如：Itisinterestingtoplaycomputergames.玩电脑很有趣。,-Itisveryimportant_makeaplanbeforeanewterm.-Yes.Youmusttrytomakeitcarefully.A.ofB.forC.to,C,5.spendv.花费；消耗例如：Howdidyouspendyoursummervacation?你是如何度过暑假的？Ispent5yuanonthisbook.这本书花了我五十元。,Itusuallytakesmehalfanhourtodomyhomework.做作业通常花费我半小时的时间。Studentsoftenspendoneandahalfhours(in)doinghomework.学生们经常花一个半小时的时间做作业。Ipaid10yuanforthisbook.我买这本书付了十元钱。,take,spend,cost&pay,结论：take“花费(时间)”；主语为物。Ittakessb.sometimetodosth.“花费某人时间来做某事”。spend“花费(时间/金钱)”主语为人；spendonsth.“买某物花了钱”；spend+time+(in)doing“花费多少时间来做某事”；可以与ittakessb.sometimetodosth.转换。pay“付款”；主语为人；payfor“花钱买某物”,Accordingtothearticleandthepiecharts,writesentenceswiththepercentagesusingalways,usuallyorsometimes.,1.90%:_2.85%:_3.45%:_4.10%:_5.13%:_6.2%:_,NinetypercentofthestudentsalwaysusetheInternet.,Eighty-fivepercentofthestudentsalwayswatchTV.,Forty-fivepercentofthestudentsusuallyexercise.,TenpercentofthestudentsoftenusetheInternet.,ThirteenpercentofthestudentsusuallywatchTV.,TwopercentofthestudentssometimeswatchTV.,Chooseoneofthesefreetimeactivitiesorthinkofyourown.Thenaskyourclassmateshowoftentheydothisactivityandmakeapiechart.Showthepiecharttoyourclass.,playcomputergamesreadbooksgoshoppingdrawpicturesplaysports,1Keyvocabulary：percent，online，although，through，suchas，not.atall，inonesfreetime2Sen