八年级英语上册 Unit 2 How often do you rcise Section B（2a2e）教学课件 （新版）人教新目标版.ppt

period4sectionb 2a 2e unit2howoftendoyouexercise 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 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 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 i msorrytokeepyouwaiting 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 spend onsth 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 pay for 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 1 keyvocabulary percent online although through suchas not atall inone sfreetime2 sen