八年级（上）SectionB(2a-2e)Unit2Howoftendoyouexercise?学练优八年级英语上（RJ）教学课件学习目标Keywords&phrases:result，percent，online，television，although…playcomputergames，usetheInternet，gocamping，goonline…Keysentences:1.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.2.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.3.It'sgoodtorelaxbyusingtheInternet…4.Howmanystudentsdonotexerciseatall?Newwordsandphrasesresultn.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…?LeadinHowoftendoyou…?Isleepeighthourseverynight.Howmanyhoursdoyousleepeverynight?begoodforourhealthbebadforourhealth2aRanktheseactivitiesaccordingtohowoftenyouthinkyourclassmatesdothem(1=mostoften,6=leastoften).watchTVgotothemoviesplaycomputergamesexerciseorplaysportsusetheInternetgocampinginthecountryPre-reading154timesaweek8590202021310452bReadthearticleandcompletethepiechartsonthenextpage.While-reading2cReadthearticleagainandanswerthequestions.1.Howmanypercentofthestudentsdonotexerciseatall?2.HowmanypercentofthestudentsusetheInterneteveryday?Twentypercentofthestudentsdonotexerciseatall.NinetypercentofthestudentsusetheInterneteveryday.Post-reading3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?MoststudentswatchTVeveryday.Theyusuallywatchgameshows.Thewriterthinksexerciseisthebestwaytorelaxbecauseit’shealthyforthemindandbody,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.1.not…atall用于否定句，意为“根本不、一点也不”。如：Itwasn’tdifficultatall.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：Heisn’ttiredatall./He’snotatalltired.他一...
