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试卷科目:英语专升本考试英语专升本考试(习题卷7)PAGE"pagenumber"pagenumber/SECTIONPAGES"numberofpages"numberofpages英语专升本考试第1部分:单项选择题,共86题,每题只有一个正确答案,多选或少选均不得分。[单选题]1.Wegotthefirstplaceinthegameby5to3intheend.A)wonB)watchedC)lost答案:A解析:【分析】句意:我们最终以5比3的比分获得了比赛的第一名。A赢得比赛;B观看比赛;C输掉比赛,gotthefirstplaceinthegame?在比赛中获第一名?与wonthegame?赢得比赛?同义,故选A。像,介词后是名词性物主代词做宾语,故选C。[单选题]2.-Thewomanisreallypoorbecauseheronlychildlivesfarawayfromher.-ActuallynotThoughshelives______,sheneverfeels______becauseherdaughteroftenvisitsher.A)lonely,lonelyB)alone,aloneC)alone,lonely答案:C解析:【分析】句意:--这个女人真的很穷,因为她唯一的孩子住得离她很远。--事实上,虽然她独自生活,但她从来没有感到过孤独,因为她的女儿经常来看她。第一个空是副词修饰动词live,alone,是副词,独自地,feel系动词后是形容词,lonely,是形容词,孤独的,故选C。[单选题]3.Don'tmakesomuchnoise,___?A)willB)won'tC)shall答案:A解析:[单选题]4.Thissweaterdoesn?tsuitme.It?sabitsmall.Couldyougiveme______one?A)aB)aC)the答案:B解析:[单选题]5.-Canyoutellme?-It'sGina,Shehaschangedalot.A)whoB)whoC)how答案:B解析:【分析】句意:--你能告诉我她是谁吗?--她是Gina,她已经改变了很多。A.whoisshe她是谁,B.whosheis她是谁,C.howshechanged她如何改变。根据后文提到It'sGina,可知应该问了她是谁,结合此做tell的宾语,故倒装,故选B。[单选题]6.Tomisillathome,____hecannotcomehere.A)soB)ifC)because答案:A解析:[单选题]7.Heis()ahorse.A)strongerasB)asstrongerthanC)thestrongasD)strongerthan答案:D解析:比较级形容词前不加定冠词。[单选题]8.--Mostofthecomputersoftwareinourcompany____boughtinthisfactoryeveryyear.--Andwillyoucontinue________thesoftwarefromit?A)are;B)are;C)is;D)is;答案:C解析:【分析】句意:--我们公司的大部分电脑软件每年都在这家工厂购买的。--你会继续从那里购买软件吗?software是不可数名词,故谓语用单数is;continuedoing或continuetodosth继续做某事,故选C。[单选题]9.-Mr.Han,howistheweatherinChangshanow?-ItiscoolerthaninWuhan.A)thatB)thisC)ItD)these答案:A解析:【分析】句意:--韩先生,现在长沙的天气怎么样?--比武汉的天气凉爽。that相当于the+名词,指代同名异物;this不用来指代前面提到的名词;it用来指代同名同物。根据句意,空处的词和?长沙的天气?是同名异物,且为the+名词,故选A。[单选题]10.MoststudentslikechattingontheInternet.________________Mary.A)SoB)SoC)NeitherD)Neither答案:A解析:【分析】句意:大多数学生喜欢在网上聊天,玛丽也是。根据MoststudentslikechattingontheInternet,可知是肯定句,故是so+谓语+主语,倒装句的用法,neither+谓语+主语,是否定句的用法Mary是第三人称单数,故助动词是does,故选A。[单选题]11.-Whocandothevoluntarywork?-whoiswillingtohelpcandoit.A)NoB)AnyoneC)SomeoneD)Neither答案:B解析:[单选题]12.Scientistshavetoworkhardtokeep_____withmoderndiscoveriesanddevelopments.A)companyB)trackC)touchD)pace答案:D解析:[单选题]13.PassageFourHowcanwegetridofgarbage?Dowehaveenoughenergysourcestomeetourfutureenergyneeds?Thesearetwoimportantquestionsthatmanypeopleareaskingtoday.Somepeoplethinkthatmanmightbeabletosolvebothproblemsatthesametime,Theysuggestusinggarbageasanenergysource,andatthesametimeitcansavethelandtoholdgarbage.Foralongtime,peopleburiedgarbageordumpeditonemptyland.Now,emptylandisscarce.Butmoreandmoregarbageisproducedeachyear.However,garbagecanbeagoodfueltouse.Thethingsingarbagedonotlooklikecoal,petroleum,ornaturalgas;buttheyarechemicallysimilartothesefossilfuels.Asweuseupourfossil-fuelsupplies,wemightbeabletousegarbageasanenergysource.Burninggarbageisnotanewidea.SomecitiesinEuropeandtheUnitedStateshavebeenburninggarbageforyears.Theheatthatisproducedbyburninggarbageisusedtoboilwater.Thesteamthatisproducedisusedtomakeelectricityortoheatnearby,buildings.InParis,France,somepowerplantsburnalmost2millionmetrictonsofthecitiesgarbageeachyear.Theamountofenergyproducedisaboutthesameaswouldbeproducedbyburningalmostahalfmillionbarrelsofoil.Ourfossilfuelsuppliesarelimited.Burninggarbagemightbeonekindofenergysourcethatwecanusetohelpmeetourenergyneeds.Thismethodcouldalsoreducetheamountifgarbagepilingupontheearth.Accordingtothepassage,usinggarbageis______A)forheatinginFranceeachyearB)anewwayinamodernsocietyC)agoodwaytosolvetheproblemofenergyshortageD)tooexpensiveasanenergysource答案:C解析:[单选题]14.Look!ThereaphotoofourEnglishteacherintoday?snewspaper!A)isB)areC)haveD)has答案:A解析:选Atherebe...表示?有……?,后面的名词aphoto是单数形式,因此be动词用is。故选A项。[单选题]15.Thecar____atthepresentspeeduntilitreachesthefootofthemountainataboutnineo'clocktonight.A)wentB)isgoingC)goesD)willbegoing答案:C解析:[单选题]16.Thecouple_________theirnewflatsincetheendoflastmonth.Theyhaven'tfinishedyet.A)haveB)haveC)hasD)was答案:A解析:【分析】句意:这对夫妇从上个月末起就一直在装饰他们的新公寓。他们还没有完成。decorate装饰,动词;根据句意和sincetheendoflastmonth可知,此处表示动作从某一时间开始,一直持续到现在,所以应该用现在完成进行时,且此处主语是thecouple,且根据后句中的they可知,此处指的是夫妻两个人,所以表示名词复数,所以谓语动词用原形,故选A。[单选题]17.Stop(),boys!It'stimeforclass.A)talkingB)totalkC)talkD)beingtalk答案:A解析:stopdoingsth.表示?停止做某事?;stoptodosth.表示?停下来(开始)做某事?。[单选题]18.Theworkeragreedto_____thestrikeifthecompanywouldsatisfytheirdemands.A)callforB)callforthC)calloffD)callup答案:C解析:[单选题]19.______itistohaveChristmaspartieswithourfriends!A)HowB)WhatC)WhatD)What答案:A解析:【分析】句意:和我们的朋友举行圣诞聚会多么有趣啊!fun有趣的,形容词;funny有趣的,形容词;此处是感叹句,修饰形容词应该用how引导,故选A。[单选题]20.-Lastsummerholiday,Ididn'tgoanywhere.Howboring!-________.ButI'mgoingsomewhereforaholidaythissummer.A)NeitherIdidB)NeitherdidIC)SodidID)SoIdid答案:B解析:【分析】句意:--去年暑假,我哪儿也没去。多无聊啊!--我也没有,但今年夏天我要去某个地方度假。?Neither+助(系/情态)动词+主语?表示上文所述否定情况对另外的人或事物同样适用;?So+主语+助(系/情态)动词?表示对上文所述肯定情况的确认。根据句意??上一个暑假我没有去任何地方。真无聊!??我也是。但是我这个暑假将去某个地方度假??可推知回答者上一个暑假也没外出度假。故选B。[单选题]21.__yourhelpweweresuccessful.A)AccordingtoB)ButforC)OwingtoD)Asfor答案:C解析:accordingto是?根据,按照?的意思;butfor是?要不是?的意思;owingto表示?由于?;asfor表示?至于?。[单选题]22.She__intotearswhensheheardfromthehospitalthatherfatherdied.A)burstB)wentC)fellD)exploded答案:A解析:burstintotears表示?突然哭起来?,属于固定用法。[单选题]23.Physicsisnotsoeasy,_______Ilikeitverymuch.A)butB)orC)sinceD)because答案:A解析:[单选题]24.DoyouknowtheFrenchman?Yes.I______himfortwoyears.A)knowB)haveC)knewD)have答案:B解析:[单选题]25.Didyoufindthenotebook______Jimhadgivenmeformybirthday?A)whoB)whomC)whichD)whose答案:C解析:[单选题]26.Thegovernment'sstrongactiondemonstratedits_____tocrushtherebellion.A)energyB)resistanceC)courageD)determination答案:D解析:[单选题]27._______meanemailbeforeyoucometoHohhot,andI'llmeetyouatthetrainstation.A)SendB)SendingC)ToD)Sent答案:A解析:【分析】句意:你来呼和浩特之前给我发一封电子邮件,我在火车站等你。由句子结构可知,句子是祈使句,以动词原形开头。故选A。[单选题]28.-Canyoucometomybirthdaypartytonight?-Yes,I?dloveto.ButIhavetofinishmyEnglishhomeworkfirst.A)doingB)toC)doesD)did答案:A解析:选Afinishdoingsth.完成某事,finish后跟动词-ing形式作宾语。故选A项。[单选题]29.-Arethose___________keys,Jack?-No,theyaren?t.They?reUncle___________.A)yours;Sam?B)your;SamC)your;Sam?D)yours;Sam答案:C解析:【分析】根据题干可知说话人询问杰克这些钥匙是不是他的,第一空缺一个形容词修饰keys,则应填写形容词性物主代词your,表示你的。其次根据No可知这些钥匙是萨姆叔叔的,Sam和key是所属关系,则第二空应填写Sam?s.[单选题]30.Haveyouseentheman______planweweretalkingabout______yesterday?A)who,B)its,C)whose,/D)whose,答案:C解析:[单选题]31.选出读音不同的选项。()。A)newB)fewC)sewD)due答案:C解析:[单选题]32.Thelittleboydidn'tknow_______.A)whichB)whichC)whichD)which答案:C解析:【分析】句意:小男孩不知道哪顶帽子是他的。分析句意和句子结构,此处是which引导的宾语从句,用陈述语气,排除BD;且应该是一般过去时。故选C。[单选题]33.IntheUS,peoplepreferwaitingforatabletosittingwithpeopletheydon'tknow.Thismeansahostessmaynotseatasmallgroupuntilasmalltableisavailable,evenifalargeoneis.Ifyouaresittingatatablewithpeopleyoudon'tknow,itisimpolitetolightupacigarettewithoutfirstaskingifitwilldisturbthem.AtAmericanrestaurantsandcoffeeshopsyouareusuallyservedtapwaterbeforeyouorder.Youmayfindthebreadandbutterisfree,andifyouordercoffee,youmaygetafreerefill.Mostcitiesandtownshavenorolesaboutopeningandclosingtimesforstoresorrestaurants,thoughtheyusuallydomakerulesforbars.Especiallyinlargecities,storesmaybeopen24hoursaday.Servingsinrestaurantsareoftenlarge,toolargeformanypeople.Ifyoucan'tfinishyourmealbutwouldliketoenjoythefoodlater,askyourwaitressorwaiterfora"doggiebag".Itmayhaveapictureofadogonit,buteverybodyknowsyouaretakingfoodforyourself.Supperanddinnerarebothwordsfortheeveningmeal.Somepeoplehave"Sundaydinner".Thisisanespeciallybignoonmeal.Tipsarenotusuallyaddedtothecheck.Theyarenotincludedinthepriceofthemeal,either.Atipofabout15%isexpectedandyoushouldleaveitonthetablewhenyouleave.Insomerestaurants,acheckisbroughtonaplateandyouputyourmoneythere.Thenthewaiterorwaitressbringsyouyourchange.Whichstatementisnotmentionedinthepassage?A)TipsarenotusuallyincludedinthetotalchecB)A15percenttipinlargecitiesindicatessatisfactoryservicC)PeopletipwaitersandwaitresseD)Peoplealwaysputtipsonthetabl答案:B解析:参见最后一段。[单选题]34.WorkinginthekitchenforyearsmadeTom____agoodcook.A)forB)intoC)ofD)as答案:B解析:[单选题]35.In1927BenjaminFranklinfoundedoneofthefirstadult-educationorganizations,____theJunto.A)hasbeencalledB)tocallC)agroupcalledD)whichgroupcalled答案:C解析:[单选题]36.I_____youcanfinishtheexamintwohours.A)doesB)doC)didD)do答案:B解析:【分析】句意:-我确实相信两个小时内能完成考试。这里用来强调,在谓语动词前加助动词do表示强调。句子的主语是第一人称,所以位于动词不能用单数,故排除A;did后用动词原形;Do后用动词原形,故选B。[单选题]37.--Hello,isthatMrs.Blackspeaking?--Yes,who'sthat?--Mary.A)I'mB)That'sC)She'sD)Thisis答案:D解析:打电话需用打电话的专门用语,如问对方是谁,不能用?Whoareyou?,而要用?Who'sthat?。回答时也不能用?I'm…?,而要用?Thisis…?。做这类题千万不能按汉语的表达方法去套用。[单选题]38.-Doyouprefertea________orangejuice?-No,I'dratherdrinkteawithnothinginit.A)toB)orC)inD)with答案:D解析:【分析】句意:你更喜欢放里桔子汁的茶吗?--不,我宁愿喝没有放东西的茶。根据I'dratherdrinkteawithnothinginit.可知上句是否更喜欢带有桔子汁的茶。此处用with,带有,介词,作后置定语。故选D。[单选题]39.Weforgavehisbadtemperbecauseweknewthathisson'sillnesshadputhimundergreat_____.A)emotionB)excitementC)crisisD)stress答案:D解析:[单选题]40.-I'llsorrytotroubleyou.-___________.A)Don'tsaysoB)OKC)Itdoesn'tmatterD)That'sfight答案:C解析:[单选题]41.Mary_______intheroom.She______aniceroom.A)is;B)are;C)is;D)are;答案:C解析:【分析】句意:玛丽在房间里。她有一个漂亮的房间。主语是第三人称单数Mary和she,故谓语动词是单三式,is是单三式,are是复数形式,has是单三式,故选C。[单选题]42.Itisdifficulttodistinguishonetwin__theother.A)toB)byC)forD)from答案:D解析:distinguish...from...表示?使……区别于?。[单选题]43.I'llgiveherthegift______shearrives.A)soB)beforeC)assoonasD)since答案:C解析:[单选题]44.Itisrequestedthatallthestudents__presentatthemeetingtomorrow.A)wereB)areC)willbeD)be答案:D解析:在?Itis+表示提议、要求、命令等含义的动词过去分词+that分句?这一结构中,从句谓语动词用?动词原形?或?should+动词原形?表示虚拟语气。[单选题]45.Iapologize__beinglatebutImissedthebus.A)toB)byC)forD)of答案:C解析:apologizefor表示?因……道歉?;apologizetosb.表示?向某人道歉?。[单选题]46.-WhereisLucy?Ican'tfindhernow.She___________Shanghaionbusiness.-She___________backinthreedays.A)hasbeento;comesB)hasbeento;willcomeC)hasgoneto;comesD)hasgoneto;willcome答案:D解析:【分析】句意:--露西在哪里?我现在找不到她。她去上海出差了。--她三天后回来。havebeento,去过某处,havegoneto,去了某处,(未归),根据Ican'tfindhernow可知,还没回来,故排除A和B选项,inthreedays是一般将来时的标志,故选D。[单选题]47.-WhenwillWuxiMetroLine3open?-_______nextyear.Only10%______beenbuilt.A)Until;B)Until;C)NotD)Not答案:C解析:【分析】句意:-无锡地铁3号线何时开放?-到明年才开放。只有10%已经建成。Not…until直到……才。Only10%作主语,谓语动词该用第三人称单数形式。所以选C。[单选题]48.Thefilmstartsatsevenandnowitisonlyfive.Wehave______timetogetthere.A)manyB)aC)aD)plenty答案:D解析:【分析】句意:电影七点开始,现在才五点。我们有足够的时间到达那里。many许多,后接可数名词的复数;alagenumberof大量,后接可数名词的复数;afew一点点,后接可数名词的复数;Plentyof大量,后接不可数名词。time是不可数名词,故选D。[单选题]49.MrWangisgoingtoteachyoumaths______oneyear.A)withB)onC)forD)to答案:C解析:[单选题]50.WithsufficientscientificinformationamannedtriptoMarsshouldbe_____.A)obtainableB)potentialC)considerableD)feasible答案:D解析:[单选题]51.-Thankyouforyourgreatdinner.Ireallyenjoyedit.-__________youenjoyedit.A)I'msogladB)I'msorryC)WhatapityD)Surprisingly答案:A解析:[单选题]52.Themagicianpickedseveralpersonsfromtheaudienceandaskedthemtohelphimwiththeperformance.A)byaccidentB)onoccasionC)atrandomD)onanaverage答案:C解析:[单选题]53.Hardly()whentheyrantowardit.A)hadtheplanelandedB)didtheplanelandC)theplanehadlandedD)theplanelanded答案:A解析:表示否定意义的词hardly放在句首,句子倒装。hardly所在的句子中要用过去完成时态,与when引导的状语从句中的过去时配合。[单选题]54.Despitealltheevidencetothecontrary,thewitness_____thathisstorywastrue.A)stuckoutB)stoodoutC)keptdownD)heldup答案:A解析:[单选题]55.TheChineseSkyeyeandHigh-speedTraininterestpeoplealotbecauseofthemareleadingtheworldinscienceandtechnology.A)bothB)eachC)eitherD)neither答案:A解析:[单选题]56.Itwaslate.Shewashedherface______wenttobed.A)orB)andC)soD)but答案:B解析:[单选题]57.Allthe()ofthecitywenttothemeetinglastSaturday.A)mathematicteachersB)mathematicsteacherC)mathematicsteachersD)mathematic'steacher答案:C解析:名词做定语时,该名词往往用单数形式。mathematics是单数形式。[单选题]58.Workhard,you?llhaveabigsuccess.A)orB)butC)andD)yet答案:C解析:选C句意:努力学习,然后你将会获得巨大的成功。根据句意可知两者为顺承关系,应用and连接。故选C项。[单选题]59.-ThankGod.It'sFridayagain.Aniceweekend!-______.A)MetooB)Yes,I'llbefreethenC)That'sallrightD)Thesametoyou答案:D解析:[单选题]60.JamesThornhillfeltthatthe______hewasfromthepictures,the______theywere.A)nearer…morebeautifulB)farther…moreuglyC)farther…morebeautifulD)higherabove…moregood-looking答案:C解析:[单选题]61.Herparents________lunchathome.A)doesn'tB)haven'tC)aren'tD)don't答案:D解析:【分析】句意;她的父母不在家吃午饭。结合语境可知本句描述的是客观性动作,故用一般现在时态。句子主语Herparents是复数形式,助动词用do,选D。[单选题]62.Laurawasmarriedfor6months.Herhusbandwasusingdrugs.Shedidn'twanthersonorherunbornbabytolivethatway,butshewasafraidtoaskherhusbandtoleave.Shelefthimanoteinstead.Afterreadingthenote,Laura'shusbandwaitedforhertocomehomeandthenbeatherandherson.Laurahadlittleeducationandsheneverhadagoodpayingjob.Shewasashamedtoaskforhelpfromthepolice,courtsorwomen'sshelters.Sometimesherhusbandwasverynicetoher.Shedecidedtotryhardersoherchildrencouldhaveahomeandafather.Laurajoinedachurchandtoldapriestaboutherproblem.Butherhusbandkeptusingdrugsandhurtingthefamily.Finally,shetoldherhusbandshelovedhim,buttheyshouldliveapartforawhile.Hebeatheragain.Thepriestcameovertotalktoher.Heaskedthehusbandtogooutforawhile.Laurapackedupherthingsandlefthomewithherson.Thenextdayshelostthebaby.Herhusbandwenttojail.Lauragotalotofhelpfromgroupsthathelpwomenwhohavebeenbeaten.Nowsheisincollege,hasherownapartmentandworksonspecialprojectsatawomen'sshelter."Wegotout,anditchangedlifeformeandmychild.Youcandoit.Youcanbreakthecycle,"Laurasaid.Lauradidn'tgotothepoliceorcourtsbecause__.A)shewasafraidofbeinglaughedatB)thepriestaskedhernottodosoC)herhusbandwasaniceguyD)shewasnotwell-educated答案:A解析:从第二段可知,她没有受过什么教育,也从来没有过像样的工作。她的思想还是比较封闭的。因此她认为向警察、法院以及妇女避难所寻求帮助是件羞耻的事。[单选题]63.Itis______________usefulbook,what'smore,notanexpensiveone.A)aB)anC)theD)/答案:A解析:【分析】句意:它是一本有用的书,而且,不是一本贵的。a/an表示数量是一,泛指;the表示特指。它是一本有用的书,表示泛指,useful以辅音音素开头,所以用A,故选A。[单选题]64.I______abighouseformyfamilyifIalotofmoney.A)wouldB)wouldC)willD)will答案:B解析:【分析】句意:如果我有很多钱,我要给家人买个大大的房子。句子用虚拟语气,所以动词用过去式,would,had,故答案为B。[单选题]65.Motherisill,_____Fathercookedforusinstead.A)butB)orC)soD)and答案:C解析:[单选题]66.It__________JohnandKatewhohelpedmetheotherday.A)isB)wasC)areD)were答案:B解析:Itwas/is。。。who/whom/that。。。:强调句(本由qq123提供)[单选题]67.Theboy___________wonthefirstprizeisa___________boy.A)that;B)who;C)who;D)which;答案:C解析:【分析】句意:获得一等奖的那个男孩是个15岁的男孩。定语从句中缺少主语,先行词boy,指代人,故关系代词是who,基数词-名词单数-形容词,是复合形容词,故选C。[单选题]68.Thankyouforsendingus____freshvegetablesofmanykinds.Youhavedoneus____agreatservice.A)不填;aB)the;aC)不填;不填D)the;不填答案:A解析:[单选题]69.Beforethewarbrokeout,manypeople____possessionstheycouldnottakewiththem.A)threwawayB)putawayC)gaveawayD)carriedaway答案:B解析:[单选题]70.Thepopulationoftheworldhasgrownveryfast()fourhundredyears.A)forpassB)inthepassC)inthepastD)forpast答案:C解析:inthepast意为?在过去的大约某一段时间内?。for表示的是现在完成时态中的时间,强调的是完成时态。因此,此句用forthepast也是正确的。但选项中没有。[单选题]71.Theresultmademe__.ItwasnothalfsogoodasIhadexpected.A)disappointingB)disappointedC)disappointD)bedisappointed答案:B解析:disappointed在句中做宾语补足语。[单选题]72.Thenumberofthestudentsinthisschoolhasdropped________300thisyear.A)aboveB)underC)overD)below答案:D解析:【分析】句意:这所学校的学生人数今年已降到300人以下。A.在上面;B.在正下面;C.在正上方;D.在下面、低于。thenumberof的数量;drop下降,所以是学生数量下降到300人以下,所以用below,故选D。[单选题]73._____elephantis______usefulanimal.A)An;B)An;C)The;D)A;答案:B解析:【分析】句意:大象是一种有用的动物。the在单数名词前表示一类人或物;不定冠词,表示泛指;不定冠词a用在以辅音音素开头的单词前,而an用在以元音音素开头的单词前;elephant,大象,以元音音素[e]开头,因此用an;useful,有用的,以辅音音素[j]开头,故前面用A,故排除A,故选B。[单选题]74.-TheyhavebeentoAustralia.-So_____I.A)doB)haveC)didD)have答案:D解析:【分析】句意:--他们去过澳大利亚。--我也是。由于上句话中用了现在完成时,所以在so的倒装中直接用助动词have。故选D。[单选题]75.Manypeopleusewoodstovesandfireplacestoheattheirhomes.Scientistshavebecomeworriedaboutthesmokethattheygiveoff.Harmfulchemicalsareinthesmoke.Thesmokeiscausingairpollution.Thepiecesofpollution,calledsoot,arefloatingintheair.Theyaretootinytosee.Scientistsmustuseamicroscopetoseethem.Smallamountsofsootaresafe,butlargeamountscanbedangerous.Thegovenmentwantstolimitthiskindofpollution.Itmaystoppeoplefromusingtheirfireplaces.Theairistestedeveryday.Whensootlevelsarehigh,morethan65microgramsofsootpercubicmeter,factoriesmuststopmakingsmoke.Thegovernmentthinksthatlimitshouldbemuchlower.Factoriesproducethemostsmokeandsoot.Butthegovernmentthinksthatalltypesofburningshouldbelimited.Thesootlevelsfromfactoriesandhomescouldbelimited.Homeownersmayhavetoinstallnewwoodstovesthattheycomplywiththenewlaw.Or,theymaynotbeabletobumondayswhentheairqualityisbad.Residentsofsometownsarefinediftheyviolatetheburningban.Scientistshopethesenewregulationswillmaketheaircleanerandlessharmfultobreathe.Whyisitdangeroustoburntoomuchwood?A)ThefirecouldburnyoB)It'snothealthytobetoowarC)HarmfulchemicalsarereleasedinthesoD)Thesmokeisfilledwithunseeabletinypiece答案:C解析:第一段。燃烧木材,排放出烟。烟中存有肉眼看不见的颗粒。这些颗粒是有害的化学物质。燃烧越多的木材,产生的烟就越多,释放的有害化学物质的颗粒也就越多。所以,燃烧过多的木材是危险的。[单选题]76.Ifyouwanttostayyoung,sitdownandhaveagoodthink.ThisistheresearchresultofprofessorFaulkner,whosaysthatmostofourbrainsarenotgettingenoughexerciseandasaresult,weareageingunnecessarilysoon.ProfessorFaulknerwantedtofindoutwhyhealthyfarmersinnorthernJapanappearedtobelosingtheirabilitytothinkandtoreasonatarelativelyearlyage,andhowtheprocessofageingcouldbesloweddown.Hesetaboutmeasuringbrainvolumesofathousandpeopleofdifferentagesandoccupations.Computertechnologyenabledhimtoobtainprecisemeasurementsofthevolumeofthefrontandsidesectionsofthebrain,whichrelatetointelligenceandemotion,anddeterminethehumancharacter.Contractionoffrontandsideparts--ascellsdieoff--wasobservedinsomesubjectsintheirthirties,butitwasstillnotevidentinsomesixty-andseventy-year-olds.Faulknerconcludedfromhisteststhatthereisasimplewaytoslowthecontraction-usingthehead.Thefindingsshowthatcontractionofthebrainbeginssoonerinpeopleinthecountrythaninthetowns.Thoseleastatrisk,saysFaulkner,arelawyers,followedbyuniversityprofessorsanddoctors.White--collarworkersdoingroutineworkare,however,aslikelytohaveshrinkingbrainsasthefarmworker,busdriverandshopassistant.Faulkner'sfindingsshowthatthinkingcanpreventthebrainfromshrinking.Bloodmustcirculateproperlyintheheadtosupplythefreshoxygenthebraincellsneed."Thebestwaytomaintaingoodbloodcirculationisthroughusingthebrain,"hesays."Thinkhardandengageinconversation.Don'trelyonpocketcalculators."ProfessorFaulknerwantedtofindout__.A)howpeople'sbrainsshrinkB)thewayofmakingpeoplelivelongerC)thesizeofcertainpeople'sbrainsD)whycertainpeopleagedsoonerthanothers答案:D解析:本文介绍了一位教授对大脑萎缩的研究。从第一、二段可知,Faulkner教授做了一项研究,其结果是人的大脑没有得到充分的运动,因

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