Unit2基礎(chǔ)知識點(diǎn)講解練習(xí)人教版英語八年級上冊

Unit2Howoftendoyouexercise?你多久鍛煉一次?1.._____________在周末2goonline______________3helpwithhousework幫忙做家務(wù)4hardlyever._____________5goshopping去購物6howoften多久一次7onceaweek一周一次8usetheInternet使用互聯(lián)網(wǎng)9stayuplate._______________10atleast._____________11gotobedearly早點(diǎn)上床睡覺13begoodfor______________14inone'sfreetime._____________15not...atall._____________17themostpopular最受歡迎的18suchas._____________19gotothedentist_____________20theanswerto...______________________21morethan.________lessthan.__________22havea/an...lesson=have...lessons上·······課23asksb.aboutsth.向某人詢問某事24thebestwaytodosth..______________________單元知識詳解SectionA考向1頻度副詞的種類①不表示具體次數(shù)的頻度副詞(按頻率從高到低排列)always總是→almostalways幾乎總是→usually通?！鷒ften經(jīng)常→sometimes有時(shí)→hardlyever(seldom)幾乎從不(很少)→never從不②表示具體的頻率、次數(shù)時(shí),通常用once一次、twice兩次、threetimes三次,三次以上用基數(shù)詞+times?IusetheInternettwiceaweek.我一周使用兩次互聯(lián)網(wǎng).典例1(2022·天津中考)Althoughhefailedmanytimes,he_______gaveuphisdream.A.nearlyB.neverC.oftenD.always考向2頻度副詞的位置頻度副詞一般放在實(shí)義動詞之前,be動詞、助動詞、情態(tài)動詞之后.有時(shí)為了強(qiáng)調(diào),頻度副詞也可位于句首.?She_____________gotoschoolbybus.她并不總是乘公共汽車去上學(xué).?I_________________happytoseeher.我見到她總是很開心.?_________wehavelunchatschool.我們通常在學(xué)校吃午飯.考向3對頻度副詞的提問對頻度副詞進(jìn)行提問常用howoften,表示＂多久一次＂.?Howoftendoesheehere?他多久來一次這里?Onceaweek.一周一次.典例2(2022·重慶中考B卷)TheyhaveP.E.fourtimesaweeknow.(對畫線部分提問)_______________dotheyhaveP.E.now?helpwithhousework幫忙做家務(wù)(教材P91a)①helpwith幫助講helpwith+表示事物的名詞?Mysisterisonlysix,butshecanalreadyhelpwithsomehousework.我的妹妹只有6歲,但她已經(jīng)可以幫忙做一些家務(wù)了.拓help作動詞,helpsb.withsth.=helpsb.(to)dosth.幫助某人做某事help作名詞，withone’shelp在某人的幫助下典例1根據(jù)漢語意思完成句子,每空一詞.(懷化中考改編)我經(jīng)常在星期天幫助父母做家務(wù).Ioften_______myparents_________houseworkonSundays.hardlyever幾乎從不(教材P91b)⑤hardly/'ha:(r)dli/adv.幾乎不;幾乎沒有［副詞］表示否定含義.辨hardly與hardhardly副詞＂幾乎不＂,表示否定含義.hard副詞努力地;猛烈地形容詞困難的;堅(jiān)硬的語境串記Ican_______believeheispracticinghardintheyard.It'shardtoexerciseoutsidewhenitblows_______.我?guī)缀醪荒芟嘈潘谠鹤永锱τ?xùn)練.當(dāng)風(fēng)刮得很猛烈的時(shí)候,在戶外訓(xùn)練是很困難的.HowoftendoyouwatchTV?你多久看一次電視?Twiceaweek.一周兩次.(教材P102a)拓由how構(gòu)成的其他疑問短語的用法:短語含義用法答語howfar多遠(yuǎn)提問距離5meters、10minutes'walk等表示距離的詞語howlong多長時(shí)間提問時(shí)間for+時(shí)間段多長提問物體長度10meters等表示長度的詞語howsoon多久以后提問時(shí)間in+時(shí)間段howold多大提問年齡12yearsold等表示年齡的詞語howmuch多少錢提問價(jià)格5dollars、2yuanakilo等表示價(jià)格的詞語多少提問不可數(shù)名詞的量alotof、3glasses(of)等用于表示不可數(shù)名詞的量的詞語howmany多少提問可數(shù)名詞的數(shù)量100等具體的基數(shù)詞或several等修飾可數(shù)名詞的詞語howmanytimes多少次提問次數(shù)once、twice、threetimes等表示具體次數(shù)的詞或短語典例3(2022·連云港中考)________doyouplayvolleyball,Amy?Threedaysaweek.A.HowlongB.HowsoonC.HowoftenD.HowmuchHi,Claire,areyoufreenextweek?嗨,克萊爾,下周你有空嗎?(教材P102d)⑨freeadj.空閑的講［形容詞］空閑的反義詞為busy"忙碌的＂.inone'sfreetime在某人的空閑時(shí)間?AreyoufreeinJuly?你七月份有空嗎?拓［形容詞］自由的;免費(fèi)的?Youarefreetomakeyourownchoice.你可以自由做出自己的選擇.Igotothemoviesmaybeonceamonth.我可能一個(gè)月去看一次電影.(教材P11GrammarFocus)?maybe/'meibi/adv.大概;或許;可能辨maybe與maybemaybe副詞,常位于句首作狀語,意為＂大概;或許;可能＂,相當(dāng)于perhaps.maybe為＂情態(tài)動詞＋動詞原形”結(jié)構(gòu),在句中作謂語,意為＂可能是＂._________sheisadoctor.＝She________adoctor.她可能是一名醫(yī)生.SectionBShesaysit'sgoodformyhealth.她說那對我的健康有益.(教材P121b)①begoodfor對······有益講后接名詞、代詞或動詞ing形式,其反義短語為bebadfor"對······有害＂.拓其他常見的由＂begood+介詞”構(gòu)成的短語:begoodto對······友好相當(dāng)于befriendly/kindto,后面一般接sb..begoodat擅長······后跟名詞、代詞或動詞ing形式作賓語,同義短語為dowellin.begoodwith善于應(yīng)付·····;對······有辦法后接sb.或sth..?Tomisverygood_______tellingstories.湯姆很擅長講故事.?He'sverygood_______children.他對孩子很有一套.典例1(濱州中考改編)Ithinkwashinghandseverydayisgood________ourhealth.Yes,Iagreewithyou.A.toB.withC.forD.at②health/hel0/n.健康;人的身體(或精神)狀態(tài)講［不可數(shù)名詞］beingood/poorhealth身體好／差?Mygrandmais______________________.我祖母身體很好.⑤percent/p?(r)'sent/n.百分之······單復(fù)數(shù)同形,如:?onepercent百分之一?thirtypercent百分之三十拓＂基數(shù)詞＋percent+of＋(限定詞＋)名詞／代詞＂結(jié)構(gòu)作主語時(shí),謂語動詞的單復(fù)數(shù)由of后名詞或代詞的單復(fù)數(shù)決定.?Twentypercentofthestudentsagreewithyou.百分之二十的學(xué)生贊同你的看法.典例3用括號中所給詞的適當(dāng)形式填空.Almostfiftypercentofthestudentsinourclass________(be)bornin2010.Thirtypercentofthetime_______(have)passed.百分之三十的時(shí)間已經(jīng)過去了.Andtwentypercentdonotexerciseatall!另外20%的學(xué)生根本不鍛煉！(教材P132b)⑥not.,.atall根本不;一點(diǎn)兒也不講表示強(qiáng)烈的否定,not常位于連系動詞be、助動詞或情態(tài)動詞之后,atall通常位于句尾.?We______knoweachother______________,butthebrightsmilesbringuscloser.我們根本不認(rèn)識彼此,但是燦爛的笑容讓我們更加親密.拓notatall不用謝;沒關(guān)系,一點(diǎn)也不介意常用來回答道歉或感謝.?Thankyouforyourkindness.非常感謝你的好意.Notatall.不客氣.Itishealthyforthemindandthebody.它對身心健康有益.(教材P132b)?spendv.度過;花費(fèi)講［及物動詞］度過(此處用法)還可表示＂花費(fèi)(金錢)＂.常用于以下結(jié)構(gòu):spendtimewithsb.和某人共度時(shí)光sb.spendstime/moneyonsth.某人在某物上花費(fèi)時(shí)間／金錢sb.spendstime/moneydoingsth.某人花費(fèi)時(shí)間／金錢做某事?Iliketospendtime_______myfriendsonweekends.我喜歡周末和朋友待在一起.?It'sclearthatourstudentsspendalotoftime________screens.很明顯,我們的學(xué)生在屏幕上花了很多時(shí)間.?Theyoungplayerspendsfourhours________（practice)volleyballeveryday.這位年輕的運(yùn)動員每天花四個(gè)小時(shí)練習(xí)排球.Janeisa16yearoldhighschoolstudentintheUnitedStates.簡是一名16歲的美國中學(xué)生.(教材P153a)?復(fù)合形容詞講由兩個(gè)或兩個(gè)以上的單詞構(gòu)成,詞與詞之間常加連字符＂＂.此處,16yearold是由＂基數(shù)詞可數(shù)名詞單數(shù)形容詞＂構(gòu)成的復(fù)合形容詞,意為“十六歲的”,常用在名詞前作定語,而16yearsold常用作表語.?Ihavea16yearoldsister.我有一個(gè)16歲的姐姐.?Mysisteris16yearsold.我姐姐16歲了.典例8(綏化中考)LiuYu,a________boyfromShandong,isarunningstar.A.fifteenyearsoldB.fifteenyearsoldC.fifteenyearold單項(xiàng)選擇5.Peter,_______doyouwatchsportsshows?Onceaweek.IusuallywatchthemwithmydadonSaturdays.A.howfarB.howlongC.howmuchD.howoften6.Wemuststudyhardtogetintoagoodhighschool.Exactly!Happinessisachieved(實(shí)現(xiàn),取得)_______hardwork.A.withB.acrossC.alongD.through7.Idomorningexerciseseveryday.Itworksmywholebody.It'sagoodhabit.Ithelpsyoukeepingood_______.A.timeB.touchC.healthD.silence8.Markisagreat_______,Ifyouhaveproblemswithyourteeth,youcanaskhimforhelp.A.dentistB.