人教版英语八年级上册 Unit 2 How often do you exercise- 知识点总结

八年级上册Unit2知识点总结SectionA（1a-2e）exercisen./v.锻炼锻炼不可数dosomeexercise做练习/操可数domorningexercise做早操Howoften多久一次Onweekends=ontheweekend在周末Gotothemovies去看电影Helpwithsth帮着做Goshopping去购物gofishing去钓鱼gohiking去徒步gocamping去野营goswimming去游泳Onceaweek一周一次twiceamonth一个月两次threetimesayear一年三次Befree空闲Iamfulltoday我今天很忙Howcome？怎么会呢Havepianolessons上钢琴课Howabout=whatabout=whynotdo=whydon'tsbdo....怎么样？How/whataboutgoingshopping？=whynotgoshopping？=whydon'tyougoshopping？stayuplate（todo）熬夜（做某事）Gotobedearly早睡getupearly早起Playsports做运动Eatahealthybreakfast吃一顿健康的早饭Bebusywithsth/bebusydoingsth忙于做......SectionB（1a-2e）junkfood垃圾食品fastfood快餐Acupofcoffee一杯咖啡It'sgoodformyhealth对我的健康有好处begoodat=dowellin=bestrongin擅长begoodwith善于应付Health---healthyadj.健康的keephealthy保持健康Goodhabits好习惯Inthecountry在农村Asksbabout询问某人关于......asksbforsth向某人寻求...asksbtodo要求某人走某事UsetheInternet上网goonline上网useoftheInternet网络的使用Asaresult结果是分数/百分数+可数名词复数作主语，be/v用复数形式；分数/百分数+可名单/不可名作主语，be/v用三单fourtosixtimesaweek一周四到六次onetothreetimesaweek一周一到三次Forfun为了娱乐Theanswertoourquestions我们问题的答案thekeytosth....的关键thesolutiontosth...的解决办法Thirteenpercent13%Although虽然...但是有although无butItisgoodtodosth做....是很好的ByusingtheInternet通过使用网络bydoingsth通过做....的方式提问词用howThebestwaytodosth做....最好的方式Throughexercise通过锻炼Suchas比如+短语词组forexample+句子suchasdoingsth比如做....人+spendtimewithspendtimeonspendtimeindoingsthIttakes/tooksb+时间+todosth花费某人多长时间做某事（it没有意义，做形式主语）物+cost某物花费某人...Iboughtabook.Itcostme20yuan.这里的it指代abook所以用cost不能用take。人+payfor为...付款remembertodo记得去做某事rememberdoing记得做过某事Oldhabitsdiehard旧习难改Beforeit'stoolate趁早/在一切已太晚之前Notatall一点也不Idon'tlikeapplesatall.我一点也不喜欢苹果Drawpictures画画单元语法：频度副词、howoften频度词：表示在一定范围内事情发生的频率的词。频度副词：always总是（100%）Usually通常（80%）Often经常（60%）Sometimes有时（40%）Hardlyever几乎不（20%）Never从不（0%）频率的表达：onceaweek一周一次Twiceamonth一月两次Threetimesaday一天三次当次数大于等于3次时：基数词+times+范围Everyday每天Howoften：对频率进行提问ShewatchesTVonceaweek.------HowoftendoesshewatchTV?Howmanytimes：对次数进行提问ShewatchesTVonceaweek.------HowmanytimesdoesshewatchTV？Howlong：对时间段进行提问（for+一段时间）Ittakesme20minutestogettoschool.------Howlongdoesittakeyoutogettoschool?Howfar：对距离提问Itis20minutes'busride/20minutesbybus.------Howfarisit？Howsoon：多久以后（in+一段时间）Mymotherwillbebackintwodays.------Howsoonwillyourmotherbeback?Howmuch：对不可数名词的数提问/对钱提问