英語專升本考試(習題卷7)

試卷科目：英語專升本考試英語專升本考試(習題卷7)PAGE"pagenumber"pagenumber/SECTIONPAGES"numberofpages"numberofpages英語專升本考試第1部分：單項選擇題，共86題，每題只有一個正確答案,多選或少選均不得分。[單選題]1.Wegotthefirstplaceinthegameby5to3intheend.A)wonB)watchedC)lost答案:A解析:【分析】句意：我們最終以5比3的比分獲得了比賽的第一名。A贏得比賽；B觀看比賽；C輸掉比賽，gotthefirstplaceinthegame?在比賽中獲第一名?與wonthegame?贏得比賽?同義，故選A。像，介詞后是名詞性物主代詞做賓語，故選C。[單選題]2.-Thewomanisreallypoorbecauseheronlychildlivesfarawayfromher.-ActuallynotThoughshelives______,sheneverfeels______becauseherdaughteroftenvisitsher.A)lonely,lonelyB)alone,aloneC)alone,lonely答案:C解析:【分析】句意：--這個女人真的很窮，因為她唯一的孩子住得離她很遠。--事實上，雖然她獨自生活，但她從來沒有感到過孤獨，因為她的女兒經常來看她。第一個空是副詞修飾動詞live，alone，是副詞，獨自地，feel系動詞后是形容詞，lonely，是形容詞，孤獨的，故選C。[單選題]3.Don'tmakesomuchnoise,___?A)willB)won'tC)shall答案:A解析:[單選題]4.Thissweaterdoesn?tsuitme.It?sabitsmall.Couldyougiveme______one?A)aB)aC)the答案:B解析:[單選題]5.-Canyoutellme?-It'sGina,Shehaschangedalot.A)whoB)whoC)how答案:B解析:【分析】句意：--你能告訴我她是誰嗎？--她是Gina，她已經改變了很多。A.whoisshe她是誰，B.whosheis她是誰，C.howshechanged她如何改變。根據后文提到It'sGina，可知應該問了她是誰，結合此做tell的賓語，故倒裝，故選B。[單選題]6.Tomisillathome,____hecannotcomehere.A)soB)ifC)because答案:A解析:[單選題]7.Heis（）ahorse．A)strongerasB)asstrongerthanC)thestrongasD)strongerthan答案:D解析:比較級形容詞前不加定冠詞。[單選題]8.--Mostofthecomputersoftwareinourcompany____boughtinthisfactoryeveryyear.--Andwillyoucontinue________thesoftwarefromit?A)are;B)are;C)is;D)is;答案:C解析:【分析】句意：--我們公司的大部分電腦軟件每年都在這家工廠購買的。--你會繼續(xù)從那里購買軟件嗎？software是不可數名詞，故謂語用單數is；continuedoing或continuetodosth繼續(xù)做某事，故選C。[單選題]9.-Mr.Han,howistheweatherinChangshanow?-ItiscoolerthaninWuhan.A)thatB)thisC)ItD)these答案:A解析:【分析】句意：--韓先生，現在長沙的天氣怎么樣？--比武漢的天氣涼爽。that相當于the+名詞，指代同名異物；this不用來指代前面提到的名詞；it用來指代同名同物。根據句意，空處的詞和?長沙的天氣?是同名異物，且為the+名詞，故選A。[單選題]10.MoststudentslikechattingontheInternet.________________Mary.A)SoB)SoC)NeitherD)Neither答案:A解析:【分析】句意：大多數學生喜歡在網上聊天，瑪麗也是。根據MoststudentslikechattingontheInternet，可知是肯定句，故是so+謂語+主語，倒裝句的用法，neither+謂語+主語，是否定句的用法Mary是第三人稱單數，故助動詞是does，故選A。[單選題]11.-Whocandothevoluntarywork?-whoiswillingtohelpcandoit.A)NoB)AnyoneC)SomeoneD)Neither答案:B解析:[單選題]12.Scientistshavetoworkhardtokeep_____withmoderndiscoveriesanddevelopments.A)companyB)trackC)touchD)pace答案:D解析:[單選題]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:[單選題]14.Look!ThereaphotoofourEnglishteacherintoday?snewspaper!A)isB)areC)haveD)has答案:A解析:選Atherebe...表示?有……?,后面的名詞aphoto是單數形式,因此be動詞用is。故選A項。[單選題]15.Thecar____atthepresentspeeduntilitreachesthefootofthemountainataboutnineo'clocktonight.A)wentB)isgoingC)goesD)willbegoing答案:C解析:[單選題]16.Thecouple_________theirnewflatsincetheendoflastmonth.Theyhaven'tfinishedyet.A)haveB)haveC)hasD)was答案:A解析:【分析】句意：這對夫婦從上個月末起就一直在裝飾他們的新公寓。他們還沒有完成。decorate裝飾，動詞；根據句意和sincetheendoflastmonth可知，此處表示動作從某一時間開始，一直持續(xù)到現在，所以應該用現在完成進行時，且此處主語是thecouple，且根據后句中的they可知，此處指的是夫妻兩個人，所以表示名詞復數，所以謂語動詞用原形，故選A。[單選題]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?停下來(開始)做某事?。[單選題]18.Theworkeragreedto_____thestrikeifthecompanywouldsatisfytheirdemands.A)callforB)callforthC)calloffD)callup答案:C解析:[單選題]19.______itistohaveChristmaspartieswithourfriends!A)HowB)WhatC)WhatD)What答案:A解析:【分析】句意：和我們的朋友舉行圣誕聚會多么有趣??！fun有趣的，形容詞；funny有趣的，形容詞；此處是感嘆句，修飾形容詞應該用how引導，故選A。[單選題]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，我哪兒也沒去。多無聊?。?-我也沒有，但今年夏天我要去某個地方度假。?Neither＋助(系/情態(tài))動詞＋主語?表示上文所述否定情況對另外的人或事物同樣適用；?So＋主語＋助(系/情態(tài))動詞?表示對上文所述肯定情況的確認。根據句意??上一個暑假我沒有去任何地方。真無聊！??我也是。但是我這個暑假將去某個地方度假??可推知回答者上一個暑假也沒外出度假。故選B。[單選題]21.__yourhelpweweresuccessful.A)AccordingtoB)ButforC)OwingtoD)Asfor答案:C解析:accordingto是?根據，按照?的意思；butfor是?要不是?的意思；owingto表示?由于?；asfor表示?至于?。[單選題]22.She__intotearswhensheheardfromthehospitalthatherfatherdied.A)burstB)wentC)fellD)exploded答案:A解析:burstintotears表示?突然哭起來?，屬于固定用法。[單選題]23.Physicsisnotsoeasy,_______Ilikeitverymuch.A)butB)orC)sinceD)because答案:A解析:[單選題]24.DoyouknowtheFrenchman?Yes.I______himfortwoyears.A)knowB)haveC)knewD)have答案:B解析:[單選題]25.Didyoufindthenotebook______Jimhadgivenmeformybirthday?A)whoB)whomC)whichD)whose答案:C解析:[單選題]26.Thegovernment'sstrongactiondemonstratedits_____tocrushtherebellion.A)energyB)resistanceC)courageD)determination答案:D解析:[單選題]27._______meanemailbeforeyoucometoHohhot,andI'llmeetyouatthetrainstation.A)SendB)SendingC)ToD)Sent答案:A解析:【分析】句意：你來呼和浩特之前給我發(fā)一封電子郵件，我在火車站等你。由句子結構可知，句子是祈使句，以動詞原形開頭。故選A。[單選題]28.-Canyoucometomybirthdaypartytonight?-Yes,I?dloveto.ButIhavetofinishmyEnglishhomeworkfirst.A)doingB)toC)doesD)did答案:A解析:選Afinishdoingsth.完成某事,finish后跟動詞-ing形式作賓語。故選A項。[單選題]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】根據題干可知說話人詢問杰克這些鑰匙是不是他的，第一空缺一個形容詞修飾keys，則應填寫形容詞性物主代詞your，表示你的。其次根據No可知這些鑰匙是薩姆叔叔的，Sam和key是所屬關系，則第二空應填寫Sam?s.[單選題]30.Haveyouseentheman______planweweretalkingabout______yesterday?A)who,B)its,C)whose,/D)whose,答案:C解析:[單選題]31.選出讀音不同的選項。()。A)newB)fewC)sewD)due答案:C解析:[單選題]32.Thelittleboydidn'tknow_______.A)whichB)whichC)whichD)which答案:C解析:【分析】句意：小男孩不知道哪頂帽子是他的。分析句意和句子結構，此處是which引導的賓語從句，用陳述語氣，排除BD；且應該是一般過去時。故選C。[單選題]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:參見最后一段。[單選題]34.WorkinginthekitchenforyearsmadeTom____agoodcook.A)forB)intoC)ofD)as答案:B解析:[單選題]35.In1927BenjaminFranklinfoundedoneofthefirstadult-educationorganizations,____theJunto.A)hasbeencalledB)tocallC)agroupcalledD)whichgroupcalled答案:C解析:[單選題]36.I_____youcanfinishtheexamintwohours.A)doesB)doC)didD)do答案:B解析:【分析】句意：-我確實相信兩個小時內能完成考試。這里用來強調，在謂語動詞前加助動詞do表示強調。句子的主語是第一人稱，所以位于動詞不能用單數，故排除A；did后用動詞原形；Do后用動詞原形，故選B。[單選題]37.--Hello,isthatMrs．Blackspeaking?--Yes,who'sthat?--Mary．A)I'mB)That'sC)She'sD)Thisis答案:D解析:打電話需用打電話的專門用語，如問對方是誰，不能用?Whoareyou?，而要用?Who'sthat?。回答時也不能用?I'm…?，而要用?Thisis…?。做這類題千萬不能按漢語的表達方法去套用。[單選題]38.-Doyouprefertea________orangejuice?-No,I'dratherdrinkteawithnothinginit.A)toB)orC)inD)with答案:D解析:【分析】句意：你更喜歡放里桔子汁的茶嗎？--不，我寧愿喝沒有放東西的茶。根據I'dratherdrinkteawithnothinginit.可知上句是否更喜歡帶有桔子汁的茶。此處用with，帶有，介詞，作后置定語。故選D。[單選題]39.Weforgavehisbadtemperbecauseweknewthathisson'sillnesshadputhimundergreat_____.A)emotionB)excitementC)crisisD)stress答案:D解析:[單選題]40.-I'llsorrytotroubleyou.-___________.A)Don'tsaysoB)OKC)Itdoesn'tmatterD)That'sfight答案:C解析:[單選題]41.Mary_______intheroom.She______aniceroom.A)is;B)are;C)is;D)are;答案:C解析:【分析】句意：瑪麗在房間里。她有一個漂亮的房間。主語是第三人稱單數Mary和she，故謂語動詞是單三式，is是單三式，are是復數形式，has是單三式，故選C。[單選題]42.Itisdifficulttodistinguishonetwin__theother.A)toB)byC)forD)from答案:D解析:distinguish...from...表示?使……區(qū)別于?。[單選題]43.I'llgiveherthegift______shearrives.A)soB)beforeC)assoonasD)since答案:C解析:[單選題]44.Itisrequestedthatallthestudents__presentatthemeetingtomorrow．A)wereB)areC)willbeD)be答案:D解析:在?Itis+表示提議、要求、命令等含義的動詞過去分詞+that分句?這一結構中，從句謂語動詞用?動詞原形?或?should+動詞原形?表示虛擬語氣。[單選題]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?。[單選題]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？我現在找不到她。她去上海出差了。--她三天后回來。havebeento，去過某處，havegoneto，去了某處，（未歸），根據Ican'tfindhernow可知，還沒回來，故排除A和B選項，inthreedays是一般將來時的標志，故選D。[單選題]47.-WhenwillWuxiMetroLine3open?-_______nextyear.Only10%______beenbuilt.A)Until；B)Until；C)NotD)Not答案:C解析:【分析】句意：-無錫地鐵3號線何時開放？-到明年才開放。只有10%已經建成。Not…until直到……才。Only10%作主語，謂語動詞該用第三人稱單數形式。所以選C。[單選題]48.Thefilmstartsatsevenandnowitisonlyfive.Wehave______timetogetthere.A)manyB)aC)aD)plenty答案:D解析:【分析】句意：電影七點開始，現在才五點。我們有足夠的時間到達那里。many許多，后接可數名詞的復數；alagenumberof大量，后接可數名詞的復數；afew一點點，后接可數名詞的復數；Plentyof大量，后接不可數名詞。time是不可數名詞，故選D。[單選題]49.MrWangisgoingtoteachyoumaths______oneyear.A)withB)onC)forD)to答案:C解析:[單選題]50.WithsufficientscientificinformationamannedtriptoMarsshouldbe_____.A)obtainableB)potentialC)considerableD)feasible答案:D解析:[單選題]51.-Thankyouforyourgreatdinner.Ireallyenjoyedit.-__________youenjoyedit.A)I'msogladB)I'msorryC)WhatapityD)Surprisingly答案:A解析:[單選題]52.Themagicianpickedseveralpersonsfromtheaudienceandaskedthemtohelphimwiththeperformance.A)byaccidentB)onoccasionC)atrandomD)onanaverage答案:C解析:[單選題]53.Hardly()whentheyrantowardit.A)hadtheplanelandedB)didtheplanelandC)theplanehadlandedD)theplanelanded答案:A解析:表示否定意義的詞hardly放在句首,句子倒裝。hardly所在的句子中要用過去完成時態(tài),與when引導的狀語從句中的過去時配合。[單選題]54.Despitealltheevidencetothecontrary,thewitness_____thathisstorywastrue.A)stuckoutB)stoodoutC)keptdownD)heldup答案:A解析:[單選題]55.TheChineseSkyeyeandHigh-speedTraininterestpeoplealotbecauseofthemareleadingtheworldinscienceandtechnology.A)bothB)eachC)eitherD)neither答案:A解析:[單選題]56.Itwaslate.Shewashedherface______wenttobed.A)orB)andC)soD)but答案:B解析:[單選題]57.Allthe()ofthecitywenttothemeetinglastSaturday.A)mathematicteachersB)mathematicsteacherC)mathematicsteachersD)mathematic'steacher答案:C解析:名詞做定語時,該名詞往往用單數形式。mathematics是單數形式。[單選題]58.Workhard,you?llhaveabigsuccess.A)orB)butC)andD)yet答案:C解析:選C句意:努力學習,然后你將會獲得巨大的成功。根據句意可知兩者為順承關系,應用and連接。故選C項。[單選題]59.-ThankGod.It'sFridayagain.Aniceweekend!-______.A)MetooB)Yes,I'llbefreethenC)That'sallrightD)Thesametoyou答案:D解析:[單選題]60.JamesThornhillfeltthatthe______hewasfromthepictures,the______theywere.A)nearer…morebeautifulB)farther…moreuglyC)farther…morebeautifulD)higherabove…moregood-looking答案:C解析:[單選題]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飯。結合語境可知本句描述的是客觀性動作，故用一般現在時態(tài)。句子主語Herparents是復數形式，助動詞用do，選D。[單選題]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:從第二段可知，她沒有受過什么教育，也從來沒有過像樣的工作。她的思想還是比較封閉的。因此她認為向警察、法院以及婦女避難所尋求幫助是件羞恥的事。[單選題]63.Itis______________usefulbook,what'smore,notanexpensiveone.A)aB)anC)theD)/答案:A解析:【分析】句意：它是一本有用的書，而且，不是一本貴的。a/an表示數量是一，泛指；the表示特指。它是一本有用的書，表示泛指，useful以輔音音素開頭，所以用A，故選A。[單選題]64.I______abighouseformyfamilyifIalotofmoney.A)wouldB)wouldC)willD)will答案:B解析:【分析】句意：如果我有很多錢，我要給家人買個大大的房子。句子用虛擬語氣，所以動詞用過去式，would，had，故答案為B。[單選題]65.Motherisill,_____Fathercookedforusinstead.A)butB)orC)soD)and答案:C解析:[單選題]66.It__________JohnandKatewhohelpedmetheotherday．A)isB)wasC)areD)were答案:B解析:Itwas/is。。。who/whom/that。。。：強調句（本由qq123提供）[單選題]67.Theboy___________wonthefirstprizeisa___________boy.A)that;B)who;C)who;D)which;答案:C解析:【分析】句意：獲得一等獎的那個男孩是個15歲的男孩。定語從句中缺少主語，先行詞boy，指代人，故關系代詞是who，基數詞-名詞單數-形容詞，是復合形容詞，故選C。[單選題]68.Thankyouforsendingus____freshvegetablesofmanykinds.Youhavedoneus____agreatservice.A)不填；aB)the；aC)不填；不填D)the；不填答案:A解析:[單選題]69.Beforethewarbrokeout,manypeople____possessionstheycouldnottakewiththem.A)threwawayB)putawayC)gaveawayD)carriedaway答案:B解析:[單選題]70.Thepopulationoftheworldhasgrownveryfast()fourhundredyears.A)forpassB)inthepassC)inthepastD)forpast答案:C解析:inthepast意為?在過去的大約某一段時間內?。for表示的是現在完成時態(tài)中的時間,強調的是完成時態(tài)。因此,此句用forthepast也是正確的。但選項中沒有。[單選題]71.Theresultmademe__．ItwasnothalfsogoodasIhadexpected.A)disappointingB)disappointedC)disappointD)bedisappointed答案:B解析:disappointed在句中做賓語補足語。[單選題]72.Thenumberofthestudentsinthisschoolhasdropped________300thisyear.A)aboveB)underC)overD)below答案:D解析:【分析】句意：這所學校的學生人數今年已降到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的數量；drop下降，所以是學生數量下降到300人以下，所以用below，故選D。[單選題]73._____elephantis______usefulanimal.A)An;B)An;C)The;D)A;答案:B解析:【分析】句意：大象是一種有用的動物。the在單數名詞前表示一類人或物；不定冠詞，表示泛指；不定冠詞a用在以輔音音素開頭的單詞前，而an用在以元音音素開頭的單詞前；elephant，大象，以元音音素[e]開頭，因此用an；useful，有用的，以輔音音素[j]開頭，故前面用A，故排除A，故選B。[單選題]74.-TheyhavebeentoAustralia.-So_____I.A)doB)haveC)didD)have答案:D解析:【分析】句意：--他們去過澳大利亞。--我也是。由于上句話中用了現在完成時，所以在so的倒裝中直接用助動詞have。故選D。[單選題]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。燃燒木材，排放出煙。煙中存有肉眼看不見的顆粒。這些顆粒是有害的化學物質。燃燒越多的木材，產生的煙就越多，釋放的有害化學物質的顆粒也就越多。所以，燃燒過多的木材是危險的。[單選題]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:本文介紹了一位教授對大腦萎縮的研究。從第一、二段可知，Faulkner教授做了一項研究，其結果是人的大腦沒有得到充分的運動，因