单元规范训练BOOK3Unit3TheMillionPoundBankNote新

1Unit3TheMillionPoundBankNoteⅠ.单项填空1．________isknowntoeverybody，themoontravelsaroundtheearthonceeverymonth.A．ItB．AsC．ThatD．What2．—IsMr.Smithrich?—Yes，veryrich.Whenheworkedin________town，heearnedalot.Nowhehasabigfarmin________country.A．a；theB．/；/C．/；theD．the；/3．WhilewatchingTitanic，mostpeoplecouldn’thelpcryingwhenitcametothescene________Jacksavesthegirl’slifebutdiesinicywaterhimself.A．whichB．asC．whyD．where4．—Comein，please.Makeyourselfathome.—________—I’mgladyoulikeit.A．Thanks.Youhaveaniceplacehere.B．Oh，thispictureissobeautiful.C．Thanks.Whatnicefoodyou’veprepared!D．OK.Letmelookaroundyournewhouse.5．Itissaidthattheprisonerswere________totaketwohours’exerciseaday.A．supposedB．permittedC．forbiddenD．persuaded6．WangWeigaveusavivid________ofhertripdowntheriver.A．explanationB．ideaC．imaginationD．account7．Heisaheavysmoker，whichmakesallofus________.A．comfortableB．illC．pleasantD．sick8．AprilFool’sDayiscoming.Becarefulnottobe________whenothersplaytricksonyou.A．broughtinB．caughtinC．takeninD．madein29．Wouldyouplease________thisformformetoseeifI’vefilleditinright？A．takeoffB．lookafterC．giveupD．goover10．—Ibelieveyoulikethejob.—________，Iamtiredofit.A．OnthecontraryB．OncontraryC．OntheotherhandD．Onotherhand11．________anyuntrainedactor，gettinginfrontofthecameracanbedifficult.A．AsfarasB．AswellasC．AslongasD．Aswith12．Isuddenlyfoundmyself________downthestreetwhenIfoundtwopolicemeninfrontofme.A．runB．runningC．runsD．ran13．________youprefer，I’llgiveittoyou，butwehaven’tanyothermodelsforyoutochoosefrom.A．WhateverB．WheneverC．HoweverD．Whichever14．Whytheexplosionoccurredwas________thelaboratoryattendanthadbeencareless.A．forB．becauseC．sinceD．that15．Excuseme，wouldyoupleasetellme________？A．whenthesportsmeetingistakenplaceB．whenisthesportsmeetinggoingtobeheldC．whenisthesportsmeetingtobeginD．whenthesportsmeetingistotakeplaceⅡ.阅读理解Ahugecloudofdustroseandanoverpassdisappeared.ThiswasthesceneinZhuzhou，HunanProvinceonMay17.Ninepeoplewerekilledand16injured.ThingsweresimilarlastyearintheSichuanearthquake.Thousandsofpeoplewereburiedintheruinsandlosttheirlives.Whatifwecouldhavewarnedthem?Peoplearealwaysracking_their_brainstofindawayofpreventingbuildings’collapse.Bettermaterialsandtechnologyhelp，buttheyarenotasolution.3Justlikehumans，abuildinghasitsownlifecyclefrom“birth”to“death”．Ifweknowwhenabuildingisgoingtocollapse，wecanrepairitinadvanceorgetoutofitbeforeitfalls.Now，scientistsattheUniversityofIllinoishavedevelopedamaterialthatturnsredbeforeitbreaks.Theinventioncouldbeusedinthingslikeclimbingropesorbridgesupports.TheresearchwasledbyNancySottos，aprofessorattheuniversity’sBeckmanInstitute，andDouglasDavis，agraduateresearchassistant.Thesecretbehindthecolor­changingmaterialisatypeofmolecule(分子)．Amoleculeisagroupofatomsheldtogetherbychemicalbonds.Imagineyouandyourfriendsstandinginacircle，holdinghands.Eachpersonstandsforoneatom，yourhandsrepresentthebonds，andtheentirecirclerepresentsamolecule.Ifonepersonletsgoofhisorherhands，themoleculechangescolor.Theresearchteamputthemoleculeintoasoftmaterial.Whentheresearchersstretchedthematerial，itturnedbrightredforafewsecondsbeforeitbrokeintotwopieces.Whentheyrepeatedlystretchedandrelaxedthematerial，withoutbreakingit，itonlyturnedalittlered.Themajorproblemisthatlightcangetridoftheredcolor.Whentheteamshonebrightlightonthemolecule，thebrokenbondwasfixed，andthecolordisappeared.Ifthebrightlightkeepstheredcolorfromappearing，thematerial’swarningsystemwillbeuseless.Scientistsstillhavealotofworktodobeforethecolor­changingmoleculescanbeusedoutsidethelab.16．Whatdoesthepassagemainlyintroduce?A．ThecollapseofanoverpassinZhuzhou，HunanProvince.B．TheSichuanearthquakelastyear.C．Amaterialthatturnsredbeforeitbreaks.D．Awayofpreventingbuildingfromcollapsing.17．Theunderlinedwords“rackingtheirbrains”inthethirdparagraphmean________.A．sufferingalotB．collectingbeyondimaginationC．losingalotD．thinkingveryhard18．WhichofthefollowingisaWRONGstatement?A．ThousandsofpeoplediedfromthecollapseofbuildingsintheSichuanearthquakebecausetheyhadn’tbeenwarned.B．Thereisnobuildingthatwillnevercollapse.C．Anewmaterialhasbeenappliedtobuildingstowarnpeopleofcollapse.D．Acolor­changingmaterialcanturnredbeforeitbreaks.419．Whatisthemajorproblemintheresearchofthecolor­changingmaterial?A．Brightlightcangetridoftheredcolor.B．Whenthematerialisrelaxed，thecolordisappears.C．Thematerial’swarningsystemisuseless.D．Themoleculesonlychangecolorinthelab.20．Whatcanweinferfromthepassage?A．Thecolor­changingmoleculesarecertaintobeusedoutsidethelab.B．Therewillbenocollapsewiththehelpofthecolor­changingmaterial.C．Thereisalongwaytogobeforethematerialcanbeapplied.D．Theproblemcausedbybrightlightwillbesolvedbyscientists.Ⅲ.任务型读写Attentiondeficit(不足)hyperactivity(活动过度)disorderisknownbythelettersA．D.H.D.ChildrenwithA．D.H.D.mighthavetroublepayingattention.Theymightnotseemtolistenandmightforgetthings.Theymightnotbeabletostayseatedorplayquietly.Theymighttalktoomuch，actandspeakwithoutthinkingabouttheresultsoftheirbehavior.TheseareamongthesignsnamedonthewebsiteofAmerica’sCentersforDiseaseControlandPrevention.Doctor