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新目标英语八年级上第1单元知识讲解及练习含答案Unit1Howoftendoyouexercise?【重要词汇概览】◆everadv.曾经◆onceadv.一次◆twiceadv.两次◆internetn.互联网◆programn.节目单，（电脑）程序◆hilltopn.山顶◆resultn.结果，成果◆keyn.提醒，提示，线索，答案◆translatev.翻译◆songn.歌曲◆junkn.垃圾，破烂物，废弃的旧物◆milkn.牛奶◆interviewern.采访者◆habitn.习惯，习性◆differencen.不同，差异，区别◆graden.分数，成绩，年级◆althoughconj.虽然，即使，纵然◆unhealthyadj.不健康的，不益健康的◆skateboardingn.溜滑板运动【重要词组概览】◆howoften多久一次◆asfor至于，关于◆junkfood垃圾食品◆eatinghabit饮食习惯◆ofcourse当然◆lookafter照顾，照看◆startwith以……开始◆makeadifference使得结果不同，有重要性◆goshopping去购物◆haveaparty聚会◆gotothemovie去看电影◆onceaweek每周一次◆hardlyever很少◆twiceaweek每周两次◆threetimesaweek每周三次◆watchTV看电视◆onweekend在周末◆dohomework做作业◆alotof许多◆trytodo试图（努力）做某事◆helpsb(to)dosth.帮助某人做某事◆thesameas和……相同◆keepingoodhealth保持身体健康【语法知识聚焦】一般现在时TheSimplePresentTense一般现在时表示现在的状态Heistwelve.他十二岁。Theyareathome.他们在家。表示经常性或习惯性的动作Igotoschoolatseveneveryday.HeplayssocceronSundays.表示主语具备的性格和能力等Shelikesapples.TheyspeakJapanese.Sheismediumbuild.肯定式Iamacleaner.Youareright.He/She/Itishere.We/You/Theyareoutgoing否定式Iamnota…Youarenot…He/She/Itisnot…We/You/Theyarenot…否定式和疑问式Wegotoschoolatseveneveryday.Wedon’tgotoschoolatseven.Doyougotoschoolatseven?Yes,wedo.（No,wedon’t.）否定式和疑问式Hegoestoschoolatseveneveryday.Hedoesn’tgotoschoolatseven.Doeshegotoschoolatseven?Yes,hedoes.(No,hedoesn’t.)一般现在时常和表示时间频度的副词连用。如：often,usually,sometimes,always,never,hardlyever等。1.Ioftenreadbooksintheevening2.Dotheyusuallygotoschoolbybike?3.Hedoesn’tlikemilk.Heneverdrinksit.4.Sometimesmymothergetsbackatfive.一般现在时常和以下时间表达法连用。如：inthemorning,intheafternoon,intheevening,atnoon,atnight,everyday,onSunday(s),atseven等。Dotheyhavemathinthemorning?Shesleepsninehourseverynight.Ittakesmetwohourstodomyhomeworkeveryday.Theydon’thaveclassesonSundays.动词第三人称单数的构成：1、直接加--slook—looksread—readsplay—playsstop—stops2.在字母s,x,ch,sh,o后加--esmiss—missesfix—fixeswatch—watcheswash—washesgo—goesdo--does3.辅音字母加y结尾的动词去y为i，再加--escarry–carriesstudy–studieshurry–hurriescry–cries4.特殊的have--has【语法练习】选择填空()1.A:Howoften______sheexercise?B:Twiceaweek.A.doB.doesC.doingD.did()2.I______liketodrinkmilk.A.notB.doesn’tC.don’tD.no()3.Goodfoodandexercise______metostudybettter.A.helpB.helpsC.helpingD.tohelp()4.Isherlifestylethesame______yoursordifferent?A.asB.inC.atD.to()5.Ilike____forbreakfast.A.abookB.arulerC.aneggD.asofa()6.The____are$21.A.glassesB.shoeC.tableD.bike()7.Tennis____myfavouritesport.A.areB.isC.amD.be()8.IhaveatennisandmyfriendJim____twotennisrackets.A.haveB.playC.playsD.has()9.“Let’splaycomputergames.”“That____interesting.”A.looksB.soundsC.listensD.reads()10.Myfatherlikesfootball.Buthe____it.Heonly____footballmatchesonTV!A.plays,watchesB.play,watchC.doesn’tplay,watchesD.plays,doesn’twatch【参考答案与解题思路】【参考答案】1.B2.C3.A4.A5.C6.A7.B8.D9.B10.C【解题思路】1.本题考查助动词do和does的用法。在疑问句或否定句中，当主语为第三人称单数时，主动词用does,因此，答案为B.2.本题考查助动词do和does的用法。因为I不是第三人称单数形式，因此，答案为C.3.此题为判断和理解型试题,Goodfoodandexercise是两项事物，因此主语不是第三人称单数形式，因此，答案为A.4.本题考查固定短语thesameas的用法，答案为A.5.本题考查辨认食品类单词,只有egg是食品,故答案为C.6.本题考查动词be的用法,但考察方法与前面第３小题不同．根据题中的are来判定应该用名词复数．故答案为A.7.本题考查动词be的用法,虽然tennis是以-s结尾，但是，它是单数名词，因此，答案为B.8.本题考查动词have,has的用法，由于Jim是第三人称单数，所以，答案为D.9.本题考查交际用语“Thatsoundsinteresting.”的使用，因此，答案为B.10.本题考查一般现在时的用法，首先根据题中Myfatherlikesfootball.和But的提示,判定第一个空应选择doesn’tplay,又根据onTV而得到答案watches,故答案为C.【综合能力检测】一．根椐题意和所给的字母提示，填入正确的单词。1.Hamburgerisakindofj______food.Ihardlyevereathamburgers.2.Isurfthein____________everyday.3.Look!Theoldpeopleareonthehill______.Theyclimbthehillsonceaweek.4.TomstudiesEnglishbestinourclass.Hehasabigv__c__b__l__r__.5.Mygrandparentsexercisetwiceaweektost____healthy.6.SomestudentswatchTVthreeorfourt________aweek.7.Doesitm______abigdifferenceifyoueatfruiteveryday?8.It'sveryimportanttohaveagoodeatingh________.9.Inevergoshopping.Ican'tst______shopping.10.Sheofteng______tothemoviesonweekends.二.连词成句1.what,usually,youdo,on,doweekends?________________________________________?2.howoften,yourbrother,does,take,a,shower?_________________________________________?3.I,nine,hours,sleep,every,night._____________________________________.4.Betty,milk,drinks,every,morning.____________________________________.5.some,students,once,watch,TV,or,twice,a,week._______________________________________________.三.方框选词hardly,cleaning,take,gave,try,toplay,visiting,exercises,went,goes1.I_______ashowereverynight.2.Myfather________everwatchesTVintheevening.3.Thanksfor________me.4.Maryoften_________tothemoviesonweekends.5.Grandmaisprettyhealthybecauseshe___________everyday.6.Youmust________toeatlessmeat.7.Ilike__________basketball.8.Whatdidyoudoinsummerholidays?I________toHongkongwithmyparents.9.Mymother_______meanewbikeonmybirthday.10.Whatareyoudoing?Weare__________ourroom.四.根椐括号中所给提示词语，回答问题。1.Whatdoyouusuallydoonweekends?(climbthehill)_____________________________________________.2.Howoftendoyougotothemovies?(onceayear)______________________________________________3.Howoftendoesyourbrotherplaysoccer?(threeorfourtimesaweek)____________________________________________________4.Whatdoesyourmotherdoathome?(watchTV)____________________________________________5.Areyouhealthy?(yes)__________