单元规范训练BOOK4Unit2Workingtheland新人教版必修4高中英

1Unit2WorkingthelandⅠ.单项填空1．Theboylayonhisback，histeeth________andhisglaringeyes________.A．set；lookedB．set；lookingC．setting；lookedD．setting；looking2．Peoplearestruggling________pollution.A．forB．againstC．toD．on3．Itisoftensaidthat________teachershave________veryeasylife.A．/；/B．/；aC．the；/D．the；a4．—MayIopenthewindowtoletinsomefreshair?—________A．Comeon.B．Takecare.C．Goahead!D．Holdon!5．Heexpanded________hisnewtheory.A．inB．intoC．aboutD．on6．Susanwantedtobeindependentfromherparents.Shetried________alone，butshedidn’tlikeitandmovedbackhome.A．livingB．toliveC．tobelivingD．havinglived7.—Youwerebraveenoughtoraiseobjectionsatthemeeting.—Well，nowIregret________that.A．todoB．tobedoingC．tohavebeendoneD．havingdone8．—Anythingtosayaboutthelatesttalkbetweenthetwocountries?—________A．Nocomment!B．Nothingtosay.C．Ibegyourpardon?D．Goahead.9．Thefactoryisequipped________modernmachineryand________themostrecenttechniques.A．with；usesB．on；usingC．by；useD．into；touse10．It’sacknowledgedthatthetrafficaccidentwaslargely________thedriver’scarelessness.A．becauseofB．duetoC．thankstoD．witharesultof11．ForalltheseyearsIhavebeenworkingforothers.I’mhopingI’ll________myownbusinesssomeday.A．turnupB．fixupC．setupD．makeup212．Somestudiesevensuggestthatplayingmore________biggerbrainsthatare________atreasoningandlearning.A．refersto；goodB．turnsto；betterC．sticksto；goodD．leadsto；better13．Ifyourwagesaresmall，you’llbefree________incometax.A．withB．aboutC．toD．of14．________inyourclass?A．WhomdoyouthinkisthetalleststudentB．DoyouthinkwhoisthetalleststudentC．WhodoyouthinkisthetalleststudentD．Whoyouthinkisthetalleststudent15．—Hewillcometomorrow.—ButI’dratherhe________thedayaftertomorrow.A．willcomeB．iscomingC．cameD．hadcomeⅡ.阅读理解ATwoyearsago，theFunkfamilyofsuburbanChicagoadoptedaChinesebabygirlwhohadbeenabandonedonasidewalknearatextilefactoryinYangzhou.Lastyear，theRamirezfamilyofsuburbanMiamiadoptedagirlwhohadbeenabandonedaweeklateronthesamespot.BothfamiliesnamedtheirdaughtersMia.Itturnsout，afirstnameandChineseheritagearen’ttheonlythingsthethree­year­oldshaveincommon.Thegirls’mothers—HollyFunkandDianaRamirez—metonawebsiteforparentswhohadgonethroughinternationaladoptions.Afteralotofemailscomparingphotographsandbiographicaldetails，DNAtestingprovedthefamilies’suspicions:Thegirlsareprobablyfraternaltwins.“Iwasinshock，”saidRamirez，wholiveswithherhusbandCarlosinPembrokePines，Florida.“Well，nowthisisforreal.”TheInternetandWebgroupsrevolvingaroundinternationalorphanagesareincreasinglybeingusedtolinkadoptedchildrenwithbiologicalkin(亲属)．ThesitethatFunksandRamirezesusedhasamembershipof137people，with15setsoftwinsand7setsofsiblingswhoserelationshipshavebeenconfirmed.3AtareunionatChicago’sO’HareInternationalAirport，MiaDiamondFunkandMiaHanyingRamirezshylysurveyedeachother，andthenreachedforeachother’shand.DNAtestsestablishan85percentprobabilitythatthegirlsareatleasthalf­sisters.Scientistsdonothaveabiologicalparenttotestandreachagreatercertainty，butgiventheiragesandphysicalsimilarities，expertssayitislikelytheyarefraternaltwins.DouglasandHollyFunkhopetobringtheirMiatoMiamiinOctober.Bothsetsofparentssaytheyarecommittedtostayingintouchandoftenletthetwosisterstalktoeachotheronthephone.16．Boththeadoptedgirlssharedafirstname________.A．becausetheybothcamefromChinaB．becauseoftheirphysicalsimilaritiesC．becausetheirUSparentssuspectedtheyweretwinsD．fornogoodreason17．Whydidthegirls’mothersmeetontheInternet?A．Tocomparephotographsofthetwogirls.B．Tofindthegirls’biologicalkin.C．Totesttheirsuspicions.D．Toknowhowtoadoptchildren.18．Expertsarestillnot100percentsurethatthetwogirlsarefraternaltwinsbecause________.A．DNAtestsarestillnotaccurateenoughB．thetwogirlswerebornintwodifferentfamiliesC．theDNAofabiologicalparentisstillmissingD．onegirlwasbornaweeklaterthantheother19．WhatRamirezsaidinParagraph4suggeststhatshe________.A．didn’tbelievewhathadhappenedB．wassurprisedatwhathadhappenedC．didn’twanttoacceptthefactD．waspleasedwithwhattheyhaddone20．Whatwouldbethebesttitleforthepassage?A．AdoptedSistersAreReunitedB．AdoptedSistersLiveHappilyintheUSC．SuspicionTurnedintoRealityD．TheStoriesofTwoFamilies4BTheearth，moon，sunandallvisiblestarsintheskymakeuplessthanonepercentoftheuniverse.Almostalltherestisdarkmatteranddarkenergy，unknownforcesthatpuzzleastronomers.Observationsinrecentyearshavechangedthebasicunderstandingofhowtheuniverseevolvedandhaveindicatedhowlittleisknownaboutthemajorforcesandsubstancesthatshapedourworld.Astronomersnowknowthatluminous(发光的)matter—stars，planetsandhotgas...accountsforonlyabout0.4percentoftheuniverse.Non­luminouscomponents，suchasblackholesandintergalactic(星系间的)gas，makeup3.6percent.Therestisdarkmatter，about23percent，anddarkenergy，about73percent.Darkmatter，sometimescalled“colddarkmatter”，hasbeenknownforsometime.Onlyrecentlyhaveresearcherscometounderstandthekeyroleitplayedintheformationofstars，planetsandevenpeople.“Weoweourveryexistencetodarkmatter，”saidphysicistPaulSteinhardt.“Darkmatterdominatedthestructureformationintheearlyuniverse，”Steinhardtsaid.“Forthefirstfewbillionyearsdarkmattercontainedmostofthemass