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Unit2howoftendoyouexercise?一、同步知识梳理重点单词1.家务事2.几乎不3.曾经4.一次5.两次6.因特网7.节目8.满的9.秋千10.大概11.最小12.咖啡13.健康14.结果15.百分之..16.在线17.电视节目18.即使19.穿过20.头脑21.身体22.这样的23.在一起24.死亡25.作家26.牙科医生27.杂志28.然而29.比30.几乎31.毫无32.较小33.得分重点词组1.几乎不2.摇摆舞3.至少4.垃圾食品5.例如6.多于7.少于重点句型1.Whatdoyouusuallydoonweekends?Ialwaysexercise.2.Whatdoesshedoonweekends?Shesometimesgoesshopping.3.Howoftendoyouyougotothemovies?Igotomoviesmaybeonceamonth.SectionA1.Howoftendoyouexercise?你多久做一次运动？【解析1】howoften/howlong/howfar/howsoon辨析howoften多久一次对次数和频率提问，如：always,usually,often.hardlyever,never,sometimes,everyday(week,month,year...),onceaweek,twiceamonth等表示频度的副词或短语提问howlong多长时间对“for+一段时间”或”,②“since+时间段+ago”等时间短语提问howfar多远对距离提问howsoon多久对“in+一段时间“提问【解析2】exercisev锻炼=dosports=playsports【短语】take/have/doexercise做运动domorningexercise做早操doeyeexercise做眼保健操2.Whatdoyouusuallydoonweekends?你在周末做什么？【解析1】频度副词意思频度always总是，一直100%usually通常，经常90%often常常，经常70%sometimes=attimes有时，不时40%hardly几乎不5%almost不never从不，绝不0%【注】：频度副词表示多长时间做某事一次，用在实义动词之前，系动词、助动词、情态动词之后。Weoftencleantheclassroomeveryday.【拓展】sometime/sometime/sometimes/sometimes【口诀】：分开是一段，合起是某时；分开s是倍次，合起s是某时(1)sometime一段时间，做时间状语Ittakessb.sometimetodosth.做某事花费某人多长时间(2)sometimeadv.在某个时候，IhopetovisittheUSA_____inthefuture.A.sometimesB.sometimesC.sometimeD.sometime(3)sometimes名词词组，“几次，几倍”sometimes=attimes有时（一般现在时的标志词）【解析2】weekend/weekday辨析单词意思范围weekend周末周六、周日weekday工作日周一至周五【解析】onweekends=onSaturdayandSunday在周末onweekdays=fromMondaytoFriday在工作日3.Hardlyever几乎从不【解析】hard(1)adv努力地，猛烈地workhard努力工作studyhard努力学习(2)adj.困难的，艰难的=difficult◆It’shard/difficultforsb.todosth.做某事对某人来说是困难的It’shardforus____________(finish)theworkwithoutother’shelp.【拓展】hardlyadv“几乎不，从来不”，表否定意义，常与can,any,ever连用。Icanhardlybelieveit.【注】形容雨雪下的大用hard/heavy4.Twiceaweek一周两次【拓展】once=onetime一次twice=twotimes两次【注】：三次或三次以上用：“基数词+times”threetimes三次fourtimes四次threeorfourtimes三到四次①Ichatwithmyfriendsonline________________(一两次)aweek.②Mr.GreenusuallywatchesTVtwiceaday.A.alotB.alittleC.twohoursD.twotimes5.Doeshegoshopping?他去购物吗？【解析】shop①n商店=store②v购物goshopping去购物dosomeshopping购物—It’safineday.Howabout______?—Soundsgreat!A.gohikingB.gotohikeC.goinghikingD.togotohike6.Igotothemoviesmaybeonceamonth.我大慨一个月去看一次电影。【解析1】gotothemovies=gotothecinema=seethefilm去看电影【解析2】maybe/maybe辨析：（1）maybe=perhapsadv也许，可能，表示推测，通常用于句首，在句中作状语。______LiHuawantstobeanastronautlikeYangLiwei.A.MaybeB.MayC.AlsoD.Maybe（2）maybe是“情态动词may+动词原形be”,或许，可能是，也表示推测，在句中作谓语。可以和maybe互换。Tom’spenmaybeinhisbackpack.=MaybeTom’spenisinhisbackpack7.Heplaysatleasttwiceaweek.他至少一周踢两次（足球）【解析】leastadv.最小，最少atleast=notlessthan至少；不少于Mikeplaysatleasttwiceaweek.A.lessthanB.notlessC.nolessthanD.alittle8.usetheInternet上网9.—What’syourfavoriteprogram?你最喜欢的节目是什么？—AnimalWorld.动物世界》【解析】favoriteadj.最喜欢的=like..bestone’sfavorite+名词某人最喜欢的_____________(I)favoritesubjectisEnglish.10.IwatchTVeveryday我每天都看电视【解析】(1)everyday每天=eachday做状语，放在句末，对其提问用howoftenHeexerciseseveryday.(2)everyday=dailyadj.每天的，作定语，修饰名词，放在名词之前everydayEnglish日常英语asfor至于，关于，后接名词或代词，多用于句首，表示强调。11.Theyoftenhelpwithhousework.他们经常帮忙做家务。【解析】helpv帮助→helpfuladj有帮助的helpsb.(to)dosth=helpsb.withsth帮助某人做某事【2014山东德州】21.Ican’tfindmyEnglishbook.Couldyouhelp____findit?A.herB.himC.meD.themhelpsb.withsth.在某方面帮助某人Ioftenhelpmymotherwithhouseworkonweekends.helptodosth.帮助某人做某事Shewascomingtohelpcleanthemachine.helpsb.(to)dosth.帮某人做某事Mr.Wanghelpedme(to)repairmybike.①Mymomhelpsme_______(do)myhomework.=Mymomhelpsmewithmyhomework.②Myteacher’swordsare________(help)tome.③Alotofvegetablescanhelpus____ingood____.A.keep;healthB.tokeep;healthyC.keepinghealthD.keeps;health12.Areyoufreenextweek?下周有空吗？【解析】free①adj.空闲的befree=havetime有时间②adj.自由的，免费的befreetodosth.随心所欲的做某事Youarefree____________(come)andgoasyoulike.【2014云南昆明】35.------_______freebreakfasts_______inallschoolsinChina?------No,notyet.Onlyintheruralareas.A.Are;madeB.Do;serveC.Are;servedD.Do;make13.Nextweekisquitefullforme,Jack.杰克，下周我很忙。【解析】fulladj.忙的=busyadj.满的；充满的befullof=befilledwith充满Thisshelfisfullof/filledwithbooks.13.—Whatkindofdanceareyoulearning?你在学什么舞？—Swingdance摇摆舞【解析1】kind(1)n种类kindof+adj.有点，有几分，kindofcold有点冷akindof一种的，某种的allkindsof各种各样的differentkindsof不同种类的Whatkindof...哪种(2)adj.友好的bekindtosb.=begoodtosb.=befriendlytosb.对某人友好【解析2】swingn秋千Thereisakidplayingontheswing.v.摆动，荡秋千swingdance摇摆舞15.OnWednesdayandFriday.在周三和周五【解析】介词at/in/on/for表示时间：1).表示某一具体时间点，某一时刻/年龄atsixo’clockatnoonatthattimeatthemomentattheageofatnight2)in表示时间段,一天的三个时间段以及月份,年,季节,世纪,人生的某个时期(某人几十岁时)inthemorning/afternoon/eveninginspring/in2007/inMarchinthetwenty-firstcenturyinhisfifties3)on表示星期几/某一具体的日子/具体某天的上午/下午/晚上,表示一天中的三个时间段名词前有修饰语或后有修饰语时.OnMondayonNewYear’sDayonSundaymorningonarainynight.15.HowaboutTuesday?那么周二呢？【解析】Howabout=whatabout......怎么样？（用来询问对方的情况或征求意见）Howaboutdoingsth.=whataboutdoingsth.?①Howabout_______________(go)swimming?【2012贵州黔西南】—Whatabout____arest?—OK!Let’sgoforawalk.A.tohaveB.hadC.haveD.having16.Howoftendotheystayuplate?他们多久熬一次夜？【解析】stayup熬夜=situpstayathome呆在家里stayawayfrom远离SectionB1.Howoftendoyoueatjunkfood?你多久吃一次垃圾食品？【解析】junkfood垃圾食品greenfood绿色食品naturalfood天然食品healthyfood健康食品2.Butmymo