Unit 3Could you please clean your room- 课后练习 （含答案）人教版八年级下册

Unit3课后练习一、词形转换1.finger(n.)→ (n.pl)复数 2.depend(v.)→ adj.独立的→ n.独立 3.fair(adj)→ n.公正性→ adj.不公正的 4.ill(adj)→ n.疾病 5.develop(v.)→ n.发展 二.翻译短语1.倒垃圾2.频繁3.一...就4.目的是;为了5.依靠6.照顾三、用所给单词的适当形式填空1.Canyoufinish____(read)thisnoveltomorrowafternoon?2.Areyouas__(outgoing)asyoursister?3.WanYinginvitesus(go)campingwithher.4.The_(hard)youwork,themoreprogressyou'llmakelateron.5.Wouldyoumind(open)thewindows?6.It'simportant___(stay)healthyforeveryone.四、单项选择1.Idon'tlikemaking_________bed,butIlikemaking__________tea.A./;the B.the;the C.the;/ D./;/2.Asteenagers，we'reoldenough___________withhousework.Wecanhelpsetthetable,washthedishesandcleanourownrooms.A.tohelp B.helping C.helped D.help 3.MayIhavearest?Ialreadyfinished____________thereport.A.write B.writing C.towrite D.written 4.-Ioftenhavehamburgersforlunch.--You'dbetternot.It'sbadforyou_____toomuchjunkfood.A.eat B.toeat C.eating D.ate 5.Themoreyousmile,theyouwillfeel.A.happier B.happy C.happily D.morehappily6.Ithinkit'sreallyhardworkformetofinishjobintwentyminutes.A.a;the B./;a C.the;/ D./;the7.We'llhaveapartyforJackifhe___________thisprojectontime.A.finishesB.willfinishC.finishedD.wouldfinish8.Yourroomisinmessnow.Whynotcleanitupeverymorning?A.a B.an C.the D./五、阅读理解Beautysleepisarealthing.Studiesshowthatpeoplewithenoughsleeplookmoreattractive(有魅力的)toothers.Afewbadnightsisenoughtomakeapersonlock“especially”moreugly,theirsleepexperimentsshow.Theresearchersasked25universitystudentstojoinintheirsleepexperiment.Theyaskedthestudentstogetagoodnight’ssleepfortwonights.Aweeklater,theyaskedthestudentstosleepforonlyfourhourseverynightfortwonights.Theresearcherstookmakeupfee(素颜)photosofthestudentsafterboththegoodandthebadsleep.Nexttheyasked122strangerstohavealookatthephotosandjudge(评价)themonattractiveness,health,andsleepiness,aswellasaskingthem:“Howmuchwouldyouliketomakefriendswiththispersoninthepicture?”Thestrangersweregoodatjudgingifthepersontheywerelookingatwastired,and,iftheyweresleepy,theirattractivenessscorewaslow.Thestrangersalsosaidtheywouldn’twanttosocializewiththetiredstudents.Dr.Brewer,anexpertattheUniversityofLiverpoolsaid“Judgementofattractivenessisoftenunconscious(无意识的),butwealldoit,andweareabletojudgeonevensomethingsmalllikewhethersomeonelookstiredorunhealthy.Thisstudyisagoodreminderofhowimportantsleepistous.”1.Whendidtheresearcherstakemake-upfreephotos?A.Aftertwonights’goodsleep.B.Aftertwonights’badsleep.C.Beforetheexperiment.D.Afterbothtwonights’goodsleepandtwonights’badsleep.2.Theresearchersaskedthestrangerstodothefollowingexcept______.A.tellingwholookedhealthierB.tellingwhodidn’thavemanyfriendsC.tellingwhomissedalotofsleepD.tellingwhowasattractive3.Whatkindoffriendsdidthestrangersliketomake?A.Thepeoplewhoweretired.B.Thepeoplewhoweresleepy.C.Thepeoplewhowereunhealthy.D.Thepeoplewhowereattractiveandenergetic.4.Whatdoestheunderlinedword"socialize"meaninChinese?A.合伙B.玩耍C.交往D.共事5.Accordingtothepassage,whichofthefollowingisthebesttitle?A.Beautysleep,MoreattractiveB.Moresleep,MoreFriendsC.Lesssleep,FewerfriendsD.Noattractiveness,Nofriends一、词形转换

fingers

“finger”是规则可数名词，其复数形式直接在词尾加-s，即“fingers”。independent;independence

“depend”是动词“依靠；依赖”，其形容词“独立的”是“independent”；名词“独立”是“independence”。fairness;unfair

“fair”是形容词“公平的”，其名词“公正性”是“fairness”；形容词“不公正的”是“unfair”，是在“fair”前加否定前缀“un-”。illness

“ill”是形容词“生病的”，其名词“疾病”是“illness”。development

“develop”是动词“发展”，其名词“发展”是“development”。二。翻译短语

takeouttherubbish

“倒垃圾”常见的英文表达是“takeouttherubbish”。allthetime

“频繁；一直”可以用“allthetime”来表示。assoonas

“一……就……”用“assoonas”引导时间状语从句。inorderto

“目的是；为了”常用“inorderto”，后接动词原形。dependon

“依靠；依赖”是“dependon”。takecareof/carefor

“照顾”可以表达为“takecareof”或者“carefor”。三、用所给单词的适当形式填空

reading

“finishdoingsth.”是固定用法，表示“完成做某事”，所以“read”要用动名词形式“reading”。outgoing

“as+形容词/副词原级+as”表示“和……一样……”，这里是比较性格，用形容词“outgoing”的原级，所以填“outgoing”。togo

“invitesb.todosth.”表示“邀请某人做某事”，所以“go”要用不定式形式“togo”。harder

“The+比较级，the+比较级”表示“越……，就越……”，这里表示“你工作越努力，以后取得的进步就越大”，“hard”的比较级是“harder”，所以填“harder”。opening

“Wouldyouminddoingsth.”表示“你介意做某事吗”，所以“open”要用动名词形式“opening”。tostay

“Itis+形容词+todosth.”是固定句型，其中it是形式主语，真正的主语是后面的动词不定式，所以“stay”要用不定式形式“tostay”。四、单项选择

C

“makethebed”是固定短语，表示“整理床铺”；“maketea”表示“泡茶”，中间不需要加冠词，所以选C。A

“be+形容词+enough+todosth.”表示“足够……去做某事”，这里表示“我们足够大可以帮忙做家务了”，所以用动词不定式“tohelp”，选A。B

“finishdoingsth.”表示“完成做某事”，所以“write”要用动名词形式“writing”，选B。B

“Itis+形容词+forsb.+todosth.”表示“做某事对某人来说是……的”，这里表示“吃太多垃圾食品对你不好”，所以用动词不定式“toeat”，选B。A

“The+比较级，the+比较级”表示“越……，就越……”，这里“feel”是系动词，后面接形容词，“happy”的比较级是“happier”，所以选A。D

“work”是不可数名词，前面不需要加不定冠词；“job”在这里是特指“在二十分钟内要完成的工作”，用定冠词“the”，所以选D。A

在if引导的条件状语从句中，遵循“主将从现”的原则，即主句用一般将来时，从句用一般现在时，从句主语“he”是第三人称单数，动词“finish”要用第三人称单数形式“finishes”，所以选A。A

“inamess”是固定短语，表示“杂乱；混乱”，所以选A。五、阅读理解

D

根据“Theresearcherstookmake-upfree(素颜)photosofth