Unit2基础知识点讲解练习人教版英语八年级上册

Unit2Howoftendoyouexercise?你多久锻炼一次?1.._____________在周末2goonline______________3helpwithhousework帮忙做家务4hardlyever._____________5goshopping去购物6howoften多久一次7onceaweek一周一次8usetheInternet使用互联网9stayuplate._______________10atleast._____________11gotobedearly早点上床睡觉13begoodfor______________14inone'sfreetime._____________15not...atall._____________17themostpopular最受欢迎的18suchas._____________19gotothedentist_____________20theanswerto...______________________21morethan.________lessthan.__________22havea/an...lesson=have...lessons上·······课23asksb.aboutsth.向某人询问某事24thebestwaytodosth..______________________单元知识详解SectionA考向1频度副词的种类①不表示具体次数的频度副词(按频率从高到低排列)always总是→almostalways几乎总是→usually通常→often经常→sometimes有时→hardlyever(seldom)几乎从不(很少)→never从不②表示具体的频率、次数时,通常用once一次、twice两次、threetimes三次,三次以上用基数词+times»IusetheInternettwiceaweek.我一周使用两次互联网.典例1(2022·天津中考)Althoughhefailedmanytimes,he_______gaveuphisdream.A.nearlyB.neverC.oftenD.always考向2频度副词的位置频度副词一般放在实义动词之前,be动词、助动词、情态动词之后.有时为了强调,频度副词也可位于句首.»She_____________gotoschoolbybus.她并不总是乘公共汽车去上学.»I_________________happytoseeher.我见到她总是很开心.»_________wehavelunchatschool.我们通常在学校吃午饭.考向3对频度副词的提问对频度副词进行提问常用howoften,表示＂多久一次＂.»Howoftendoesheehere?他多久来一次这里?Onceaweek.一周一次.典例2(2022·重庆中考B卷)TheyhaveP.E.fourtimesaweeknow.(对画线部分提问)_______________dotheyhaveP.E.now?helpwithhousework帮忙做家务(教材P91a)①helpwith帮助讲helpwith+表示事物的名词»Mysisterisonlysix,butshecanalreadyhelpwithsomehousework.我的妹妹只有6岁,但她已经可以帮忙做一些家务了.拓help作动词,helpsb.withsth.=helpsb.(to)dosth.帮助某人做某事help作名词，withone’shelp在某人的帮助下典例1根据汉语意思完成句子,每空一词.(怀化中考改编)我经常在星期天帮助父母做家务.Ioften_______myparents_________houseworkonSundays.hardlyever几乎从不(教材P91b)⑤hardly/'ha:(r)dli/adv.几乎不;几乎没有［副词］表示否定含义.辨hardly与hardhardly副词＂几乎不＂,表示否定含义.hard副词努力地;猛烈地形容词困难的;坚硬的语境串记Ican_______believeheispracticinghardintheyard.It'shardtoexerciseoutsidewhenitblows_______.我几乎不能相信他正在院子里努力训练.当风刮得很猛烈的时候,在户外训练是很困难的.HowoftendoyouwatchTV?你多久看一次电视?Twiceaweek.一周两次.(教材P102a)拓由how构成的其他疑问短语的用法:短语含义用法答语howfar多远提问距离5meters、10minutes'walk等表示距离的词语howlong多长时间提问时间for+时间段多长提问物体长度10meters等表示长度的词语howsoon多久以后提问时间in+时间段howold多大提问年龄12yearsold等表示年龄的词语howmuch多少钱提问价格5dollars、2yuanakilo等表示价格的词语多少提问不可数名词的量alotof、3glasses(of)等用于表示不可数名词的量的词语howmany多少提问可数名词的数量100等具体的基数词或several等修饰可数名词的词语howmanytimes多少次提问次数once、twice、threetimes等表示具体次数的词或短语典例3(2022·连云港中考)________doyouplayvolleyball,Amy?Threedaysaweek.A.HowlongB.HowsoonC.HowoftenD.HowmuchHi,Claire,areyoufreenextweek?嗨,克莱尔,下周你有空吗?(教材P102d)⑨freeadj.空闲的讲［形容词］空闲的反义词为busy"忙碌的＂.inone'sfreetime在某人的空闲时间»AreyoufreeinJuly?你七月份有空吗?拓［形容词］自由的;免费的»Youarefreetomakeyourownchoice.你可以自由做出自己的选择.Igotothemoviesmaybeonceamonth.我可能一个月去看一次电影.(教材P11GrammarFocus)⑭maybe/'meibi/adv.大概;或许;可能辨maybe与maybemaybe副词,常位于句首作状语,意为＂大概;或许;可能＂,相当于perhaps.maybe为＂情态动词＋动词原形”结构,在句中作谓语,意为＂可能是＂._________sheisadoctor.＝She________adoctor.她可能是一名医生.SectionBShesaysit'sgoodformyhealth.她说那对我的健康有益.(教材P121b)①begoodfor对······有益讲后接名词、代词或动词ing形式,其反义短语为bebadfor"对······有害＂.拓其他常见的由＂begood+介词”构成的短语:begoodto对······友好相当于befriendly/kindto,后面一般接sb..begoodat擅长······后跟名词、代词或动词ing形式作宾语,同义短语为dowellin.begoodwith善于应付·····;对······有办法后接sb.或sth..»Tomisverygood_______tellingstories.汤姆很擅长讲故事.»He'sverygood_______children.他对孩子很有一套.典例1(滨州中考改编)Ithinkwashinghandseverydayisgood________ourhealth.Yes,Iagreewithyou.A.toB.withC.forD.at②health/hel0/n.健康;人的身体(或精神)状态讲［不可数名词］beingood/poorhealth身体好／差»Mygrandmais______________________.我祖母身体很好.⑤percent/pə(r)'sent/n.百分之······单复数同形,如:»onepercent百分之一»thirtypercent百分之三十拓＂基数词＋percent+of＋(限定词＋)名词／代词＂结构作主语时,谓语动词的单复数由of后名词或代词的单复数决定.»Twentypercentofthestudentsagreewithyou.百分之二十的学生赞同你的看法.典例3用括号中所给词的适当形式填空.Almostfiftypercentofthestudentsinourclass________(be)bornin2010.Thirtypercentofthetime_______(have)passed.百分之三十的时间已经过去了.Andtwentypercentdonotexerciseatall!另外20%的学生根本不锻炼！(教材P132b)⑥not.,.atall根本不;一点儿也不讲表示强烈的否定,not常位于连系动词be、助动词或情态动词之后,atall通常位于句尾.»We______knoweachother______________,butthebrightsmilesbringuscloser.我们根本不认识彼此,但是灿烂的笑容让我们更加亲密.拓notatall不用谢;没关系,一点也不介意常用来回答道歉或感谢.»Thankyouforyourkindness.非常感谢你的好意.Notatall.不客气.Itishealthyforthemindandthebody.它对身心健康有益.(教材P132b)⑯spendv.度过;花费讲［及物动词］度过(此处用法)还可表示＂花费(金钱)＂.常用于以下结构:spendtimewithsb.和某人共度时光sb.spendstime/moneyonsth.某人在某物上花费时间／金钱sb.spendstime/moneydoingsth.某人花费时间／金钱做某事»Iliketospendtime_______myfriendsonweekends.我喜欢周末和朋友待在一起.»It'sclearthatourstudentsspendalotoftime________screens.很明显,我们的学生在屏幕上花了很多时间.»Theyoungplayerspendsfourhours________（practice)volleyballeveryday.这位年轻的运动员每天花四个小时练习排球.Janeisa16yearoldhighschoolstudentintheUnitedStates.简是一名16岁的美国中学生.(教材P153a)⑳复合形容词讲由两个或两个以上的单词构成,词与词之间常加连字符＂＂.此处,16yearold是由＂基数词可数名词单数形容词＂构成的复合形容词,意为“十六岁的”,常用在名词前作定语,而16yearsold常用作表语.»Ihavea16yearoldsister.我有一个16岁的姐姐.»Mysisteris16yearsold.我姐姐16岁了.典例8(绥化中考)LiuYu,a________boyfromShandong,isarunningstar.A.fifteenyearsoldB.fifteenyearsoldC.fifteenyearold单项选择5.Peter,_______doyouwatchsportsshows?Onceaweek.IusuallywatchthemwithmydadonSaturdays.A.howfarB.howlongC.howmuchD.howoften6.Wemuststudyhardtogetintoagoodhighschool.Exactly!Happinessisachieved(实现,取得)_______hardwork.A.withB.acrossC.alongD.through7.Idomorningexerciseseveryday.Itworksmywholebody.It'sagoodhabit.Ithelpsyoukeepingood_______.A.timeB.touchC.healthD.silence8.Markisagreat_______,Ifyouhaveproblemswithyourteeth,youcanaskhimforhelp.A.dentistB.