周末练习（徐英）

PAGEPAGE8第一单元检测2014/12/6 一．单项选择1.Iguesswe'vealreadytalkedaboutthisbeforebutI'llaskyouagainjust________.A．bynatureB．inreturnC．incaseD．bychance2.Hospitalstaffburstintocheersafterdoctorscompleteda20­houroperationtohave________one­year­oldtwinsatthehead.A．dismissedB．separatedC．dividedD．examined3.________thatthegovernmentcanleadthemoutofthefinancialcrisis，peopleareoptimisticaboutthefutureofthecountry.A．ConvincingB．ConvincedC．ToconvinceD．Havingconvinced4.Itisreportedthatthepolicewillsoon________thecaseofthetwomissingchildren.A．lookuponB．lookafterC．lookintoD．lookout5.Heisin______goodhealth，sothetoughtaskmaybein______chargeofhim.A．a；aB．a；theC．/；/D．/；the6.Thedriverstartedtospeedupto________forthehourhehadlostinthetrafficjam.A．keepupB．takeupC．makeupD．catchup7.Ourbodiesarestrengthenedbytakingexercise.________，ourmindsaredevelopedbylearning.A．ProbablyB．LikelyC．SimilarlyD．Generally8.Whenhewastoldthe________resultoftheresearch，therewasa________expressionappearingonhisface.A．puzzle；puzzlingB．puzzling；puzzlingC．puzzled；puzzledD．puzzling；puzzled9.Sheworkedhard________everythingcouldbereadybythetimehecameback.A．sinceB．sothatC．asifD．unless10.Thesportsmeeting，originally________beheldlastFriday，wasfinallyputoffbecauseofthebadweather.A．duetoB．thankstoC．owingtoD．accordingto11.Finally，afterweeksofpreparation，Iwould________allmyhardworkinadanceofperformance.A．takeoverB．showoffC．showupD．giveup12.Notuntilitwasdark______,whichmadehismotherworried.A.didheshowupB.heshowedupC.hehasshowedupD.hasheshowedup13．Itwillbealongtime____Frank____backfromabroad.A.since,hascomeB.before,comesC.when,cameD.after,hascome14．__________ my sister three times today but her line     was always busy．     A．I’d phoned     B．I’ve been phoning     C．I’ve phoned     D．I was phoning 15．I won’t tell the student the answer to the math problem until he______ on it for more than an hour．     A．has been working,     B．will have worked    C．will have been working     D．had worked16.Tom____someJapanesewhilehewasawayonbusinesstripinJapan.A.tookupB.madeupC.pickedupD.turnedup17.Whatdoyouthink___tothegirl?Sheisveryangrynow.A.hedidB.didhedoC.hashedoneD.doeshedo18._____Ireallydon’tlikeart,Ifindhisworkimpressive.A.SinceB.IfC.WhileD.As19.---Haven’tyougraduatedfromcollege?---Yes.I_____thereforfouryears.A.studyB.havestudiedC.studiedD.hadstudied20.Becauseofhisgoodperformance,Mikehasbeen____withascholarshiptostudyinOxford.A.sentB.awardedC.presentedD.left二．完形填空(共20小 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 ；每小题1分,满分20分)America’sBeautyIsinItsDiversityAmericaisbuiltontheideaoffreedom,andthereisnoexceptionforMuslimwomen.I21thefreedomofreligion（宗教）andspeech.Butmostly,Ibelieveit’sOKtobe22,andtostandupforwhoandwhatyouare.SoIbelieveinwearingthehijab.Thehijabisareligiousheadcovering,likeascarf.IamMuslim,andkeepingmyheadcoveredisa23ofmaturity(成熟)andrespecttowardmy24andtoAllah’swill.25,Ialsoliketowearittobedifferent.Idon’tusuallyliketodowhateveryoneelseisdoing.Iwanttobea(n)26,notjustpartofthecrowd.ButwhenIfirstworeit,Iwasalsoafraidofthe27thatI’dgetatschool.I28onmyownthatsixthgradewasthe29Ishouldstartwearingthehijab.Iwas30aboutwhatthekidswouldsayorevendotome.Ithoughttheymightmakefunofme,or31bescaredofmeand32myheadscarf.Kidsatthatageusuallyliketobeallthesame,andthere’slittleorno33ofdifferences.Onthefirstdayofschool,Iputallthose34thoughtsbehindmybackandwalkedinwithmyheadheldhigh.Iwasholdingmybreathalittle,but35IwasalsoproudtobeaMuslim,proudtobewearingthehijab,proudtobedifferent.Iwas36abouteverythingIthoughtthekidswouldsayorevendotome.Iactuallymetalotofpeoplebecauseofwearingmyheadcovering.Mostofthekidswouldcomeandaskmequestions37—aboutthehijabandwhyIworeit.Ididhearsomekidsweremakingfunofme,38therewasonegirl----shewasn’teveninmyclass,andweneverreallytalkedmuch---andshespoke39me,andIwasn’teventhere!Imadealotofnewfriendsthatyear,friendsthatIstillhaveuntilthisveryday,fiveyearslater.Yes,I’mdifferent,buteveryoneisdifferenthere,inonewayoranother.Thisisthe40ofAmerica.21.A.believeinB.sticktoC.carryoutD.pushfor22.A.dependentB.freeC.sensitiveD.different23.A.signalB.signC.reminderD.cause24.A.religionB.countryC.parentsD.status25.A.InawordB.IngeneralC.TobeexactD.Tobehonest26.A.princessB.teenagerC.individualD.adult27.A.praiseB.punishmentC.reactionD.reflection28.A.hopedB.expectedC.realizedD.decided29.A.timeB.chanceC.caseD.occasion30.A.disappointedB.frightenedC.enthusiasticD.angry31.A.stillB.alreadyC.evenD.ever32.A.showoffB.pulloffC.pickupD.putup33.A.refusalB.explanationC.awarenessD.acceptance34.A.negativeB.optimisticC.seriousD.strange35.A.oftenB.insideC.onlyD.outside36.A.concernedB.particularC.wrongD.convinced37.A.respectfullyB.cautiouslyC.angrilyD.worriedly38.A.andB.soC.butD.or39.A.inneedofB.infrontofC.inchargeofD.infavorof40.A.importanceB.beautyC.valueD.power三．阅读理解(共15小题；每小题2分,满分30分)        AHoldingacellphoneagainstyourearorstoringitinyourpocketmaybedangeroustoyourhealth.Thisexplainsawarningthatcellphonemanufacturersincludeinthesmallprintthatisoftenignoredwhenanewphoneisbought.Apple,forexample,doesn’twantiPhonestocomeclosertoyouthan1.5centimeters;ResearchInMotion,BlackBerry’smanufacturer,recommends2.5centimeters.Ifhealthissuesarisefromcellphoneuse,thepossibleeffectsarehuge.Voicecalls-Americanschatoncellphones2.26trillion(万亿)minutesannually-earn$109billionforthewirelesscarriers.DevraDavis,anexpertwhohasworkedfortheUniversityofPittsburgh,haspublishedabookaboutcellphoneradiation,“Disconnect.”Thebooksurveysscientificresearchandconcludesthequestionisnotsolved.BraincancerisaconcernthatMs.Davisexamines.Overall,therehasnotbeenanincreaseinitsincidencesincecellphonesarrived.Buttheaveragemasksanincreaseinbraincancerinthe20-to-29agegroupandadropfortheolderpopulation.“Mostcancershavevariouscauses,”shesays,butshepointstolaboratoryresearchthatsuggestslow-energyradiationcoulddamagecellsthatcouldpossiblyleadtocancer.Childrenaremorevulnerable（易受伤的）toradiationthanadults,Ms.Davisandotherscientistspointout.Radiationthatpenetratesonlyfivecentimetersintothebrainofanadultwillreachmuchdeeperintothebrainsofchildrenbecausetheirskullsarethinnerandtheirbrainscontainmoreabsorptivefluid（易吸收的液体）.Nostudieshaveyetbeencompletedoncellphoneradiationandchildren,shesays.HenryLai,aresearchprofessorinthebioengineeringdepartmentattheUniversityofWashington,beganlaboratoryradiationstudiesin1980andfoundthatratsexposedtoradiationhaddamagedDNAintheirbrains.Ms.Davisrecommendsusingwiredheadsetsorthephone’sspeaker.Childrenshouldtextratherthancall,shesaid,andpregnantwomenshouldkeepphonesawayfromtheabdomen（腹部）.41.AccordingtoMsDavis,braincancerincrease____.A.amongchildrenB.amongoldpeopleC.inthetwentiesD.amongpregnantwomen42.Whydochildreneasilybeaffectedbyradiation?A.Becausetheyhaven’tgrownup.B.Becausetheyaretooyoungtoprotectthemselves.C.Becausetheyusecellphonesmoreoftenthanadults.D.Becausetheirskullsarethinnerandtheirbrainsareeasilyhurt.43.Whatcanweconcludefromthelastparagraph?A.Pregnantwomenshouldkeepcellphonesaway.B.Peopleshouldusecellphonesinthecorrectway.C.Ifyouareachild,you’dbettertextthanmakephonecalls.D.Whenyouuseacellphone,useawiredheadsetorthephone’sspeaker.44.Whatdoesthepassagemainlytalkabout?A.RatsexposedtoradiationhavedamagedDNAintheirbrains.B.Don’tholdyourcellphoneagainstyourear.C.Becarefulwhenusingcellphones.D.Low-energyradiationcoulddamagecellsthatcouldleadtocancer.   B    ExpertshaveconfirmedyoungsterswhouseFacebook(美国一社交网站)doworseinexams.    Forthestudy,theresearchersquizzed219collegestudentsabouttheirstudyhabitsandthetimetheyspentonFacebook.Theyfoundthat65percentofFacebookusersusedthenetdaily,oftencheckingitseveraltimestoseeiftheyhadreceivednewmessages.Thestudysaidthat68percentofstudentswhousedFacebookdidn’tperformaswellasthosewhodidnotusethesite.    SurfingonFacebookcanswallowup(耗尽)hoursofstudytime.UniversitystudentDaisyJones,21,said:"Iwasinthelibrarytryingtowritea2,000-wordessaywhenInoticedmyFacebookhabithadgottenoutofhand.Icouldn’tresistgoingonline.Youdothat,thensomeone’sphotocatchesyoureyes.Beforeyouknowit,acoupleofminuteshaveturnedintoacoupleofhoursandyouhaven’twrittenathing."    WhiletheyfocusedonFacebook,thefindingsarealsothoughttoholdtrueforothersocialnetworkingsites.    AresearchbytheNationalLiteracyTrustrecentlyshowedthatoneinfiveyoungstersagedsevento15neverreadbooksoutsideschoolbecausewebsitesandblogsarebecomingtheirreadingmatterofchoice.Pupilsrankedsocialnetworkingsites,blogs,generalwebsitesandmagazinesabovebooksinasurveyoftheirreadinghabits.Researchhasalsoshownthatyoungstersarespendinguptosixhoursadayinfrontofascreen.    However,studentsappearedtoignoretheeffectofgoingonlineontheirstudyperformance.Themajoritydidnotfeelithadanimpactontheirwork.    AspokesmanforFacebooksaid:"ThereisalsoresearchthatshowsthebenefitsofserviceslikeFacebook.It’sinthehandsofstudents,withthehelpoftheirparents,todecidehowtheyspendtheirtime."45.What’sthemainideaofthispassage?   A.studyshowspupilswhospendtimeonFacebookdoworseinexams.B.PeoplewhospendmoretimeonFacebookspendlesstimereading.C.Websitesandblogsarebecomingstudent’sreadingmatterofchoice.D.TheusageofFacebookamongyoungerchildrenishighandgrowing.46.Thethirdparagraphisdevelopedby________instructure.A.exampleB.argumentC.descriptionD.analysis47.What’smoststudents’attitudetowardstheresultofthestudy?A.Contrary.B.Supportive. C.Understandable.D.Uninterested.48.AccordingtoFacebook’sspokesman,whichofthefollowingisTRUE?A.Facebookdoesn’taccepttheresultofthestudy.B.Theresultofthestudyisgoodforstudents.C.Studentsaretoblamefortheirpoorperformanceinstudy.D.It’sparentswhodecidewhetherstudentsshouldbeallowedtouseFacebook.        CProfessorReasonrecentlypersuaded35peopletokeepadiaryofalltheirabsent-mindedactionsfortwoweeks.Whenhecametoanalyzetheirembarrassingerrors,hewassurprisedtofindthatnearlyallofthemfellintoafewgroups.Oneofthewomen,forinstance,onleavingherhouseforworkonemorningthrewherpetdogherearringsandtriedtofixadogbiscuitonherear.“Theexplanationforthisisthatthebrainislikeacomputer,”explainstheprofessor.“Peopleprogrammethemselvestodocertainactivitiesregularly.”Itwasthewoman’scustomeverymorningtothrowherdogtwobiscuitsandthenputonherearrings.“Butsomehowtheactiongotreversed（颠倒）intheprogramme.”Aboutoneintwentyoftheincidentsthevolunteersreportedwerethese“programmeassemblyfailures.”Twentypercentofallerrorswere“testfailures”—mainlyduetonotverifyingtheprogressofwhatthebodywasdoing.Amanabouttogethiscaroutofthegaragepassedthroughthebackyardwherehisgardenjacketandbootswerekept,putthemon—muchtohissurprise.Awomanreported,“Igotintothebathwithmysockson.”Thecommonestproblemwasinformation“storagefailures”.Peopleforgotthenamesofpeoplewhosefacestheyknew,wentintoaroomandforgotwhytheywerethere,mislaidsomething,orsmokedacigarettewithoutrealizingit.Theresearchsofarsuggeststhatwhilethecentralprocessorofthebrainisliberatedfromsecond-to-secondcontrolofawell-practicedroutine,itmustrepeatedlyswitchbackitsattentionatimportantdecisionpointstocheckthattheactiongoesonasintended.Otherwisetheactivitymaybegottenbyanotherfrequentlyandrecentlyusedprogramme,resultinginembarrassingerrors.49.Thepurposeoftheprofessor’sresearchisto__________.A.showthedifferencebetweenmenandwomenB.sortandexplainsomeerrorsinhumanactionsC.findthecauseswhichleadtocomputerfailuresD.comparecomputerfunctionswithbrainworking50.Whichofthefollowingmightbegroupedunder“programmeassemblyfailures”?A.Awomanwenttoashopandforgotwhattobuy.B.Amanreturninghomeafterworklefthiskeyinthelock.C.Aladyfellasshewaspayingattentiontoeachstepherfeetweretaking.D.Anoldman,withhisshoeson,wastryingtoputonhissocks.51.Theunderlinedword“verifying”(inparagraph3)canbereplacedby“_______”.A.improvingB.changingC.checkingD.stopping52.Accordingtothepassage,theinformation“storagefailure”refersto“_______”.A.informationcollectingsystembeingdestroyedB.one’stotalmemorybeingremovedC.thelossofpartofone’smemoryforatimeD.theseparationofone’sactionfromwordsDImadeapledge(发誓)tomyselfonthewaydowntothevacationbeachcottage.FortwoweeksIwouldtrytobealovinghusbandandfather.Totallyloving.Noifs,andsorbuts.TheideahadcometomeasIlistenedtoatalkonmycarradio.ThespeakerwasquotingaBiblical(圣经)passageabouthusbandsbeingthoughtfuloftheirwives.Thenhewentontosay,“Loveisanactofwill.Apersoncanchoosetolove.”Tomyself,IhadtoadmitthatIhadbeenaselfishhusband.Well,fortwoweeksthatwouldchange.Anditdid.RightfromthemomentIkissedEvelynatthedoorandsaid,“Thatnewyellowsweaterlooksgreatonyou.”“Oh,Tom,younoticed,”shesaid,surprisedandpleased.Maybealittlepuzzled.Afterthelongdrive,Iwantedtositandread.Evelynsuggestedawalkonthebeach.Istartedtorefuse,butthenIthought,“Evelyn’sbeenaloneherewiththekidsallweekandnowshewantstobealonewithme.”Wewalkedonthebeachwhilethechildrenflewtheirkites.Soitwent.TwoweeksofnotcallingtheWallStreetfirmwhereIamadirector;avisittotheshellmuseumthoughIusuallyhatemuseums.Relaxedandhappy,that’showthewholevacationpassed.Imadeanewpledgetokeeponrememberingtochooselove.Therewasonethingthatwentwrongwithmyexperiment,however.EvelynandIstilllaughaboutittoday.Onthelastnightatourcottage,preparingforbed,Evelynstaredatmewithsaddestexpression.“What’sthematter?”Iaskedher.“Tom,”shesaidinavoicefilledwithdistress,“doyouknowsomethingIdon’t?”“Whatdoyoumean?”“Well…thatcheckupIhadseveralweeksago…ourdoctor…didhetellyousomethingaboutme?Tom,you’vebeensogoodtome…amIdying?”Ittookamomentforitalltosinkin.ThenIburstoutlaughing.“No,honey,”Isaid,wrappingherinmyarms.“You’renotdying;I’mjuststartingtolive.”53.FromthestorywemayinferthatTomdrovetothebeachcottage________.A.aloneB.withhisfamilyC.withEvelynD.withhischildren54.Duringthetwoweeksonthebeach,Tomshowedmorelovetohiswifebecause________.A.shelookedlovelyinhernewclothesB.shewasseriouslyillC.hewasdeterminedtobeagoodhusbandD.hehadmadealotofmoneyinWallStreet55.Bysaying“I’mjuststartingtolive,”Tommeansthat________.A.heisbeginningtofeelregretforwhathedidtohiswifebeforeB.helivedanunhappylifebeforeandisnowstartingtochangeC.heisjustbeginningtounderstandtherealmeaningoflifeD.heisjustbeginningtoenjoylifeasalovinghusband.   四.任务型阅读(共10小题；每小题1分,满分10分)    Goodcommunicationisvitalinmodernsociety.Weknowthatmuchofthecommunicationisunspoken.Consciouslyorunconsciously,weshowourtruefeelingswithoureyes,faces,bodiesandattitudes.Yourgoodqualitiescanmakegoodcommunication.Thepersonalqualitiesinclude:physicalappearance,energy,rateofspeech,pitchandtoneofvoice,gestures,expressivenessofeyes,andtheabilitytoholdtheinterestofothers.Whatshouldwedosothatourcommunicationwillbeeffective?Herearemysuggestions.Firstly,youshouldbeyourself.Thetrickistobeconsistentlyyou,atyourbest.Themosteffectivepeopleneverchangecharacterfromonesituationtoanother.They’rethesamewhetherthey’rehavingaconversationwiththeirclosefriends,addressingtheirgardencluborbeinginterviewedforajob.Theycommunicatewiththeirwholebeing.     Secondly,whetheryou’retalkingtoonepersonoronehundred,alwaysremembertolookatthem.Don’tbreakeyecontactwhiletalking.Asyouenteraroom,moveyoureyescomfortably,thenlookdirectlyatthoseintheroomandsmile.Thisshowsclearlythatyouareatease.Smilingisimportant.Thebesttypeofsmileandeyecontactisgentleandcomfortable,notforced.Youshouldalsoabsorbotherpeoplebeforeshowingyourself.Youcan’tlearnanythingwhenyoutalk.Whenyouattendameeting,apartyoraninterview,don’timmediatelystartthrowingyouropinions.Stopforasecond.Absorbwhat’sgoingon.What’sthemoodoftheothers—aretheydown,up,happy,expectant?Aretheyeagertolearnfromyou,ordotheyshowresistance?Ifyoucansensewhat’shappeningwithothers,youwillbebetterabletoreachthem.So,listenbeforeyoutalk.Thefourthsuggestionisthatyoufocusyourenergy.Howdoyougetyourenergyup? Beforethemeeting,collectyourthoughtsaboutthegoalofthemeeting—yoursandtheother’s.Onceyougothroughthedoorway,nolongerthinkaboutyourself.Focusonthepersonyouaremeetingtofindoutwhatheisinterestedin. Properlycollectedenergycomesacrosswhenwesincerelybelievesomething.Whenyouspeakwithenergy,youareinvolvedwithyouraudienceandyourmessage.Youcreateanairofcertainty.Theaudiencemaydisagreewithyou,buttheycan’tquestionyourbelief.Lastly,Iwouldliketoremindyouthatyoushouldlightenup.Takeagoodhardlookatyourself.Doyousay“I”toooften?Areyouonlyconcentratedonyourownproblems?Doyoucomplainfrequently?Ifyouansweredyestoevenoneofthesequestions,youneedtobemorerelaxed. Howtocommunicate(71) ▲ SuggestionsDosDon’tsBeyourselfAlwaysbethesameandcommunicatewithyourwholebeing.Changecharacterin(72) ▲  situations.UseyoureyesandsmileMakedirecteyecontact.Presentagentleandcomfortable  (73)  ▲ .Breakeyecontact.(74) ▲  yourselftosmile.Listenbefore(75) ▲ Stopforashorttimetoknowtheothers’moodandwhatishappeningwiththem.Beginyourtalkimmediately.Focusyour(76) ▲ Remain(77) ▲  andthinkclearlyandcarefullybeforethemeeting.Focusonthepersonyou’remeeting.Thinkaboutyourself.LightenupTrytobe(78) ▲ .Say“I”toooften.Concentrateonyourownproblems.Maketoo(79) ▲  complaint.ConclusionGoodcommunication(80) ▲  ongoodpersonalqualities.五．单词拼写Itissaidthatthecouplearetheonlyw_________tothetrafficaccident,whichcausedtwodeathsandseveralinjuries.Ithinkyourclothesare_______(适合的)foraformalwedding.Althoughhissuggestionwasgood,itwasd__________atthemeetingbyboard,whichdiscouragedhim.WhobuilttheStonehengeinEnglandandforwhatpurpose?Thisisstillaquestionthatremains_________(不能解释的)eventoday.Itisgenerally___________(假定，认为)thattoomuchworkandstresscanleadtoillnesslikehighbloodpressure.Myfriendis________(对。。。充满热情)abouttravelling.Hiss_________hadalmostgivenoutbythetimetheyfoundhiminthedersert.Thewingsofthemodelplanearemorethantwicethel________ofitsbody.Sofar,notenoughe________hasbeenfoundtoprovethatthegirlhasstolenthediamondnecklace.Lionsandhousecatsevolvedfromthesame_________(祖先)六．用所给词的适当形式填空1．Chrisdoesnotbelieveinthe________(exist)ofFatherChristmas.2．Anartistdrewapictureofthestrangeflyingobjectaccordingtoour_______(describe)．3．Listen!Thecouple________(quarrel)inthenextroom.4．Withalotofdifficultproblems_____(settle)，thenewlyelectedpresidentishavingabadtime.5．Wefinallymanagedtomakethecustomers________(convince)ofthequalityofcars.6．Heworkedsohardthathegothispay_______(raise)．7．_______(compare)withtheoldone，thenewbuildinglooksmorebeautiful.8．She_______(learn)someEnglishbeforeshecametothisuniversity.9．It_______(occur)tohimthatheforgottolockthedoor.10.WhenJohnrealizedhewasgoingtobelate,he______(step)uphispace.七．完成句子1.我拉开窗帘看见一个巨大的宇宙飞船在外面飞。I_____________thecurtainsandsawalargespaceship_________outside.2.当被问及Justin被外星人绑架的可能性时，侦探Peterson告诉记者：“人们有时候编造出这类离奇的故事。”When_____aboutthe___________Juatinwastakenbyaliens,DetectiveSamPetersontoldthejournalists,‘sometimespeoplemakeupsuchamazingstories.’3.那些外星人将我劫持到飞船上，以便对我进行研究。ThealienstookmeaboardtheUFOsothattheycould_________________me.4.里面站着许多白皮肤，眼睛又黑又大的奇怪生物。________insidewerelotsofstrange____________whiteskinandlargeblackeyes.5.事实上并没有确凿的证据 证明 住所证明下载场所使用证明下载诊断证明下载住所证明下载爱问住所证明下载爱问 是外星人劫持了他。There’sreallyno_________________alienstookhim.6.几个世纪以来，不断有人 报告 软件系统测试报告下载sgs报告如何下载关于路面塌陷情况报告535n,sgs报告怎么下载竣工报告下载 说看到一种被称为雪人的野生动物。Forcenturies,peoplehave_____________awildcreature_____Yeti.7.一群 工程 路基工程安全技术交底工程项目施工成本控制工程量增项单年度零星工程技术标正投影法基本原理 师追赶这种以惊人的速度和力量移动的生物。Agroupofengineers__________thecreature,whichmoved_____amazingspeedandstrength.8.雪人有时下山攻击村民。Yetissometimes__________frommountainsto______villagers.9.他们复制了这些脚印，并让美国的科学家进行研究。They_________ofthesetracksandhadthem________byascientistintheUSA.10.一旦你进入自然保护区就不应该吸烟。Youmustnotsmoke______youenterthe____________.