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Unit3Ahealthylife
一、阅读理解Ifyouwanttoslowagingyoumightwanttoeatless.Thisfindingisgoodnews---ifyouwereamouse.Theresearchersstudiedmicenotpeople.JohnPriceandotherresearchersstudiedtwogroupsofmice.Onegroupwasabletoeatasmuchasitwanted.Theresearcherslimitedwhatthemiceintheothergroupate.Theirdiethad35percentfewercaloriesthanthefirstgroupofmice.Pricesaysthemicewiththedietrestrictionswere“moreenergeticandsufferedfewerdisease.”Theywerenotjustlivinglongerbutseemedtostayyoungerforalongerperiodoftime.Theresearchersfoundthatfewercaloriesslowdownanaturalmechanismincellscalledribosomes.Priceexplainsthatribosomesareresponsibleformakingimportantproteinsinthecells.Butwithfewercaloriestheyslowdown.Thisgivesthecellsmoretimetorepairthemselves.Theresearcherssayribosomesusefrom10to20percentofthecell’senergytomakethoseproteins.Pricewrotethat“becauseofthisitisimpracticaltodestroyanentireribosome”whenitstartstobreakdown.However“repairingindividualpartsoftheribosomeonaregularbasisenablesribosomestocontinueproducinghighqualityproteinsforlongerthantheywouldotherwise.Thistopqualityproductioninturnkeepscellsandtheentirebodyfunctioningwell.”Pricesaid“ribosomeisaveryplexmachinelikeacar.”Theyneed“maintenancetoreplacethepartsthatwearoutthefastest.Whentireswearout”heexplained“youdon’tthrowthewholecarawayandbuyanewone.Itcostslesstoreplacetheoldtires.”“Food”hesaid“isn’tjustmaterialtobeburned---it’sasignalthattellsourbodyandcellshowtorespond.”Pricesaidthefindingshelptoexplainhowexactlyourbodiesage.Andthismay“helpusmakemoreeducateddecisionsaboutwhatweeat.”
1.WhatcanweknowaboutthemicewithlimitedcaloriesfromthestudyA.TheycankeephealthyeasilyB.TheyneedmoreenergytobeactiveC.TheycanlookyoungerthantheyareD.Theywilllivealongerlifelikehumans
2.WhatwillhappentoribosomesiftherearefewercaloriesA.TheywillpletelybreakdownB.TheymakeproteinsinthecellsslowlyC.TheywillproducehighqualityproteinsmoreD.Theymayneedmoretimetorepairthemselves
3.Priceexplainedtheribosomes’roleofrepairingthemselvesby_________.A.tellingastoryB.listingbasicdataC.makingparisonsD.experimentingonmice
4.WhatdoesthetextmainlydealwithA.FooddecideshowlongyouliveB.CanyouslowdownyouragingprocessC.EatinglessmayhelpyoulivelongerD.Shouldyourdietbereducedforyourhealth【文章大意】本文是一篇说明文通过研究实验发现吃的少会使你长寿
1.A【解析】细节理解题根据第二段中Theresearcherslimitedwhatthemiceintheothergroupate.Theirdiethad35percentfewercaloriesthanthefirstgroupofmice.的提示可知他们能够很容易保持健康,故选A
2.B【解析】细节理解题根据第四段中Theresearchersfoundthatfewercaloriesslowdownanaturalmechanismincellscalledribosomes.的提示可知它们会在细胞中缓慢地产生蛋白质,故选B
4.C【解析】主旨大意题根据第一段首句Ifyouwanttoslowagingyoumightwanttoeatless.Thisfindingisgoodnews的提示可知这片名文章的主旨是吃的少会使你长寿,故选C
二、单句语法填空1.Nomatterhowbusyheishemakesitarule___________readatleast20minutesaday.答案toread2.Weforgavehisbadtemperbecauseweknewthathisson’sillnesshadputhimundergreat___________stressful.答案stress3.Thenewsurveyshowsthatthenumberofstudents___________addicttoputergameshasbeenontheincreaseinrecentyears.答案addicted4.___________spiteofwhathasrecentlybeendonetoprovidemorebusesforthepeople,ashortageofpublicvehiclesremainsaproblem.答案In5.Theyoungcouplehadmeanttotravelabroadbuttheycancelledthetripdue___________thetoughbudget.答案to6.江西卷I’vegot___________thehabitofcallinginonmygrandparentsonmywayhomefromschool.答案into7.ThenumberofpeopleinfectedwithHIVmayreach50millionby2020unless___________effectmeasuresaretakentopreventthespreadofthedisease.答案effective8.Afterdecadesofeffortthecityisstilltryingtofigureouthowtoban___________smokeinpublicplaces.答案smoking9.Itwillbealongtimebeforeyouare___________accustomtothelocalfood.答案accustomed10.Itisonlywhenwecannotseeperfectly___________werealizehowimportantoureyesare.答案that
三、完形填空Fallingoffaboxcarandlandingonmyhead,IlostmysightwhenIwasfouryearsold.NowIamthirtytwo.Ican1rememberthebrightnessofsunshine.Itwouldbewonderfultoseeagain,2atragedycandostrangethingstopeople.It3tomethatImightnothaveetolovelifeasIdonowifIhadn’tbeenblind.Myparentsandmyteachersawsomething4meandtheymademewantto5againstblindness.Thehardest6Ihadtolearnwastobelieveinmyself.IfIhadn’tbeenabletodothatIwouldhave7downfortherestofmylife.WhenIsay8inmyselfIamnottalkingabout9thekindofselfconfidencethat10medownanunfamiliarstaircase楼梯alone.ButImeansomethingbiggerthanthat:theassurancethatIamarealpositiveperson11imperfections.Ittookmeyearstoobtainthis
12.Ithadtostartwiththe
13.Onceamangavemeanindoor14.“Ican’tusethis,”Isaid.“Takeitwithyou,”he15me,“androllitaround.”The16stuckinmyhead.“Rollitaround!”ByrollingtheballIcouldhearwhereitwent.ThisgavemeanideahowtoachieveagoalIhadthought17.AttheschoolfortheblindI18anewkindofbaseballcalledthe“groundball”.AllmylifeIhavesetaseriesofgoalsandthentriedtoreachthem,oneatatime.Ihadtolearnmy
19.IwouldfailsometimesanywaybutontheaverageImade20.【解题导语】 本文是一篇夹叙夹议文文章主要讲述了“我”在四岁的时候失去了视力,但通过一件小事,“我”学会了自信,并逐渐取得进步的过程1.A.randomly B.abruptlyC.roughlyD.pletelyC 解析“我”四岁时失去视力,现在已经三十二岁了由此可推知,此处表示“我”粗略地记得,故选Croughly“粗略地,大致上”2.A.so B.but C.thus D.andB 解析根据语境可知,上下文之间是转折关系,故选B3.A.occurredB.referredC.broughtD.turnedA 解析“我”想到如果“我”没有失明,“我”可能不会像现在这样热爱生活Itoccurstosb.that...为固定句型,意为“某人想到……”4.A.ofB.forC.toD.inD 解析“我”父母以及老师看到了“我”内在的一些东西,他们让“我”想要与失明作斗争根据语境可知,此处应选D5.A.getB.fightC.findD.dropB 解析参见上题解析fightagainst...“与……作斗争”6.A.methodB.experienceC.lessonD.mannerC 解析“我”学到的最困难的一课lesson就是要相信“我”自己7.A.brokenB.putC.settledD.layA 解析如果“我”做不到那样的话,“我”可能已经精神崩溃了breakdown“在健康或精神等方面垮掉”8.A.courageB.ambitionC.beliefD.powerC 解析根据上文中的“tobelieveinmyself”可知,此处应选C项与上文相照应9.A.firmlyB.simplyC.fairlyD.slightlyB 解析“我”说的信心并不仅仅simply指帮助helps“我”走下陌生楼梯的自信10.A.stopsB.helpsC.findsD.givesB 解析参见上题解析11.A.despiteB.besidesC.withoutD.unlikeA 解析尽管“我”是一个不完美的人,但是“我”是一个积极的人despite“尽管”,符合语境12.A.descriptionB.existenceC.accusationD.recognitionD 解析“我”花了很多年才认识到这一点A项意为“描述”;B项意为“存在”;C项意为“控告”;D项意为“认识”13.A.intelligenceB.incidentC.troubleD.determinationB 解析这得从一件小事开始A项意为“智慧”,B项意为“小事”;C项意为“麻烦”;D项意为“决心”14.A.chairB.baseballC.gameD.designB 解析根据下文中的“anewkindofbaseball”可知,此处指棒球15.A.urgedB.blamedC.greetedD.teasedA 解析根据语境可知,此处指他一直在敦促“我”urge“强烈要求,敦促”16.A.goalsB.wordsC.imagesD.ideasB 解析他所说的话words印在“我”的脑海中,故选B17.A.valuableB.reasonableC.impossibleD.unbearableC 解析这给了“我”一个如何实现“我”认为不可能impossible的目标的想法A项意为“有价值的”;B项意为“合情理的”;C项意为“不可能的”;D项意为“无法容忍的”18.A.discoveredB.equippedC.formedD.inventedD 解析在盲人学校“我”发明invented了一种新的被称为“地滚球”的棒球A项意为“发现”;B项意为“配备”;C项意为“形成”;D项意为“发明”19.A.limitationsB.advantagesC.puzzlesD.personalitiesA 解析“我”不得不了解自己的不足之处limitation“某人或某物的局限性,不足之处”20.A.senseB.progressC.mistakesD.decisionsB 解析“我”有时会失败,但一般说来“我”取得了进步makeprogress“取得进步”
四、单句改错1.2018·湖南省重点中学联考Whenwedoesmakeamistakewemustcorrectitfullyopenlyandasquicklyaspossible.___________答案does→do2.Theconferencehasbeenheldtodiscusstheeffectsoftourismtothewildlifeinthearea.___________答案第二个to→on/upon3.AccustomingtolivinginTianjinforquiteafewyearsMr.ParkhadlittledifficultyunderstandingChinese.___________答案Accustoming→Accustomed或Accustoming后加himself4.I’mnotalittletiredtodayaftergivingtheroomathoroughcleaningandIhaveneverhadasmoretiringadayastoday.___________答案去掉more5.ExpertsareconcernedthatBritain’syoutharepreparedtotakeriskwiththeirhealth.___________答案risk→risks或在risk前加a
五、单元语法——it的用法1.2018·陕西西安83中阶段考试—Ithink___________possiblethathehasgottheticketfortonight’sconcert.—SodoI.Heseemedveryhappyforthewholeafternoon.答案it2.2018·安徽江南十校联考___________wasonlywhenIwatchedthefilmasecondtimethatIhadabetterunderstandingofwhatitwastalkingabout.答案It3.Youmaydependon___________thattheywilllookafteryourdaughterwhenyouareaway.答案it4.Fromtheteacher’spatientexplanationIhavelearntwhatabigresponsibility___________istoeducateus.答案it5.2015·广东卷It’sawasteoftimeplayinggamesand___________willhaveabadeffectontheirstudy.答案it。