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PassageFour Mr.AndMrs.Smithhadalwaysspent theirsummerholidaysinNewJerseyinthepaststayinginasmallinnatthe footofahill.OneyearhoweverMr.Smithmadealotofmoneyinhis businesssotheydecidedtogotoLondonandstayatareallygoodhotelwhile theywenttouringaroundthatfamouscity.TheyflewtoLondon andarrivedattheirhotellateoneevening.Theyexpectedthattheywouldhave togotobedhungrybecauseinthatsmallinninNewJerseynomealswere servedafterseven.Theywerethereforesurprisedwhenthemanwhoreceivedthem inthehallaskedwhethertheywouldaskdinnertherethatnight. AreyoustillservingdinneraskedMr.Smith.Yes certainlysiransweredtheman.Weserveituntilhalfpastnine. WhatarethetimesofmealsthenaskedMr.Smith. WellSiransweredthemanWeservebreakfastfromseventohalfpast eleveninthemorninglunchfromtwelvetothreeintheafternoonteafrom fourtofiveanddinnerfromsixtohalfpastnine.Butthat hardlyleavesanytimeforustoseethesightsofLondon.SaidMrs. Smith.WhenthemantoldthemthetimesofmealsatthehotelMrs.Smithfelt______.
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 25
Itwasinthewinterof1951______aheavyfogmovedintoLondon.
WillitraintomorrowIhope______.
PassageThree Tousitseemssonaturaltoputupan umbrellatokeepthewateroffwhenitrains.Butactuallytheumbrellawasnot inventedasprotectionagainstrain.Itsfirstusewasasashadeagainstthe sun.Nobodyknowswhofirstinventeditbuttheumbrellawas usedinveryancienttimes.ProbablythefirsttouseitweretheChineseway backintheeleventhcenturyB.C.Weknowthattheumbrellawas usedinancientEgyptandBabylonasasunshade.Andtherewasastrangething connectedwithitsuse:itbecameasymbolofhonorandauthority.IntheFar Eastinancienttimestheumbrellawasallowedtobeusedonlybyroyaltyorby thoseinhighoffice.InEuropetheGreekswerethefirstto usetheumbrellaasasunshade.Andtheumbrellawasincommonuseinancient Greece.ButitisbelievedthatthefirstpersonsinEuropetousetheumbrella asprotectionagainsttherainweretheancientRomans.During theMiddleAgestheuseoftheumbrellapracticallydisappeared.Thenit appearedagaininItalyinthelatesixteenthcentury.Andagainitwas consideredasymbolofpowerandauthority.By1680Theumbrellaappearedin FranceandlateroninEngland.Bytheeighteenthcenturythe umbrellawasusedagainstrainthroughoutmostofEurope.Umbrellashavenot changedmuchinstyleduringallthistimethoughtheyhavebecomemuchlighter inweight.Itwasn’tuntilthetwentiethcenturythatwomen’sumbrellasbeganto bemadeinawholevarietyofcolors.AccordingtothepassagewhichofthefollowingisNOTtrue
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 31
A．friend B．legal C．feature D．receive
Twohundreddollars______alargesumofmoneytotheoldman.
Bobis______rudethateveryonedislikeshim.
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 21
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 29
A．couple B．mother C．money D．cough
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 35
Directions:PickoutfiveappropriateexpressionsfromtheeightchoicesbelowandcompletethefollowingdialoguebyblackeningthecorrespondingletterontheAnswerSheet. A.HelloB.I’mafraid C.ExcusemeD.Couldyoutellme E.ThankyouF.SureMiss G.DomeafavorpleaseH.WhatcanIdoforyou Customer:56butcouldyouhelpme Clerk:Withpleasure.57 Customer:58whereIcanfindMr.Zhang Clerk:59.MrZhangisupstairs. Customer:60verymuch. Clerk:NotatallMiss. 60
A.HelloB.I’mafraid C.ExcusemeD.Couldyoutellme E.ThankyouF.SureMiss G.DomeafavorpleaseH.WhatcanIdoforyou Customer:56butcouldyouhelpme Clerk:Withpleasure.57 Customer:58whereIcanfindMr.Zhang Clerk:59.MrZhangisupstairs. Customer:60verymuch. Clerk:NotatallMiss. 56
Thedeskoverthere______hardwood.
PassageFour Mr.AndMrs.Smithhadalwaysspent theirsummerholidaysinNewJerseyinthepaststayinginasmallinnatthe footofahill.OneyearhoweverMr.Smithmadealotofmoneyinhis businesssotheydecidedtogotoLondonandstayatareallygoodhotelwhile theywenttouringaroundthatfamouscity.TheyflewtoLondon andarrivedattheirhotellateoneevening.Theyexpectedthattheywouldhave togotobedhungrybecauseinthatsmallinninNewJerseynomealswere servedafterseven.Theywerethereforesurprisedwhenthemanwhoreceivedthem inthehallaskedwhethertheywouldaskdinnertherethatnight. AreyoustillservingdinneraskedMr.Smith.Yes certainlysiransweredtheman.Weserveituntilhalfpastnine. WhatarethetimesofmealsthenaskedMr.Smith. WellSiransweredthemanWeservebreakfastfromseventohalfpast eleveninthemorninglunchfromtwelvetothreeintheafternoonteafrom fourtofiveanddinnerfromsixtohalfpastnine.Butthat hardlyleavesanytimeforustoseethesightsofLondon.SaidMrs. Smith.Mr.andMrs.Smith______inthepast.
A．value B．busy C．continue D．music
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 33
PassageFive JapanbombedPearlHarborin1941.The UnitedStateswasmadattheJapanesesotheymademanyJapanese-Americansleave theirhomes.Theywereputincampswithbarbedwirearoundtheoutsideofthe camps.ManyJapanese-Americanyoungmenwerecalledintothe army.SomeofthemjoinedtheUSMilitaryIntelligenceServiceorMIS.TheMIS wasasecretgroupthatfoughttheJapanesesoldiers.Thissecretgroup translatedimportantmapsandpapers.TheyquestionedJapaneseprisoners. AnothertasktheydidwastotranslatediarieswritteninJapanese. SometimesJapanesesoldiershidincavestohidefromtheAmericans.The MISwouldtrytogetthescaredsoldierstoleavethecaves.Thiswasknownas caveflushing.Someofthesoldierswouldgiveupandleavethe caves.OtherJapanesewouldjumptotheirdeaths. TheMISnevergotawardsfortheireffortsuntiltheyear2000.Thenthey wererewardedfortheirbraveactsinWorldWarII.Ittookalmostsixtyyears forthemtobehonored.GayleYamadahasmadeafilmaboutthe braveJapanese-AmericanMIS.ThefilmiscalledUncommonCourageandisatrue story.HopefullyYamada’sfilmandthemoviePearlHarborwillnotcause peopletohateJapanese-Americansoranyother race.ThelettersMISstoodfor______.
Directions:PickoutfiveappropriateexpressionsfromtheeightchoicesbelowandcompletethefollowingdialoguebyblackeningthecorrespondingletterontheAnswerSheet. A.HelloB.I’mafraid C.ExcusemeD.Couldyoutellme E.ThankyouF.SureMiss G.DomeafavorpleaseH.WhatcanIdoforyou Customer:56butcouldyouhelpme Clerk:Withpleasure.57 Customer:58whereIcanfindMr.Zhang Clerk:59.MrZhangisupstairs. Customer:60verymuch. Clerk:NotatallMiss. 58
PassageFive JapanbombedPearlHarborin1941.The UnitedStateswasmadattheJapanesesotheymademanyJapanese-Americansleave theirhomes.Theywereputincampswithbarbedwirearoundtheoutsideofthe camps.ManyJapanese-Americanyoungmenwerecalledintothe army.SomeofthemjoinedtheUSMilitaryIntelligenceServiceorMIS.TheMIS wasasecretgroupthatfoughttheJapanesesoldiers.Thissecretgroup translatedimportantmapsandpapers.TheyquestionedJapaneseprisoners. AnothertasktheydidwastotranslatediarieswritteninJapanese. SometimesJapanesesoldiershidincavestohidefromtheAmericans.The MISwouldtrytogetthescaredsoldierstoleavethecaves.Thiswasknownas caveflushing.Someofthesoldierswouldgiveupandleavethe caves.OtherJapanesewouldjumptotheirdeaths. TheMISnevergotawardsfortheireffortsuntiltheyear2000.Thenthey wererewardedfortheirbraveactsinWorldWarII.Ittookalmostsixtyyears forthemtobehonored.GayleYamadahasmadeafilmaboutthe braveJapanese-AmericanMIS.ThefilmiscalledUncommonCourageandisatrue story.HopefullyYamada’sfilmandthemoviePearlHarborwillnotcause peopletohateJapanese-Americansoranyother race.GayleYamada’snewfilmisentitled______.
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 27
Thesalaryofanengineerismuchhigher______.
--I'dmethermanytimesbeforeyesterday.--So______.
PassageTwo Socialcustomsandwaysofbehaving change.Thingswhichwereconsideredimpolitemanyyearsagoarenowacceptable. Justafewyearsagoitwasconsideredimpolitebehaviourforamantosmokeon thestreet.Nomanwhothoughtofhimselfasbeingagentlemanwouldmakeafool ofhimselfbysmokingwhenaladywasinaroom.Customsare alsodifferentfromcountrytocountry.Doesamanwalkontheleftortheright ofawomaninyourcountryOrdoesn’titmatterWhatabouttablemanner ShouldyouusebothhandswhenyouareeatingTheAmericansand theBritishnotonlyspeakthesamelanguagebutalsosharealargenumberof socialcustoms.ForexampleinbothAmericaandEnglandpeopleshakehandswhen theymeeteachotherforthefirsttime.AlsomostEnglishmenwillopenadoor forawomanoroffertheirseattoawomanandsowillmostAmericans. PromptnessisimportantbothinEnglandandinAmerica.Thatisifadinner invitationisfor7o’clockthedinnerguesteitherarrivesclosetothattime orcallsuptoexplainhisdelay.Theimportantthingto rememberaboutsocialcustomsisnottodoanythingthatmightmakeother peoplefeeluncomfortable—especiallyiftheyareyourguests.Thereisanold storyaboutamanwhogaveadinnerparty.Whenthefoodwasservedoneofthe guestsstartedtoeathispeaswithaknife.Theotherguestswereamusedor shockedbutthehostcalmlypickeduphisknifeandbeganeatinginthesame way.Itwouldhavebeenbadmannerstomakehisguestfeelfoolishor uncomfortable.Accordingtothetextthebesthost______.
Directions:ForeachblankinthefollowingpassagetherearefourchoicesmarkedABCandD.ChoosetheonethatismostsuitableandmarkyouranswerbyblackeningthecorrespondingletterontheAnswerSheet. AirportbaggagescreenersintheUSAdisplayingseizedchainsawsmachetesandknives21travelerstochecktheirluggageforoffensiveobjectsbeforeboardinga22. OfficialsoftheTransportSecurityAdministrationTSA23thatsinceFebruary2002morethan7.5million24itemshadbeenseized.Theyincluded50000boxcutters--a25saidtobeusedbytheSept.112001hijackers--and1437firearmsas26as2.3millionknives. TheTSAofficialstoldanewsconferencemostpeoplewith27itemsintheirbagsintendednomalicebutadvised28toconsultthewebsitewww.tsatraveltips.usaforadviceonwhattoleavebehindwhen29atrip. SincetheSept.11attacksscreenershaveconfiscatedseemingly30itemslikenailclippersandcigarettelighters31passengers. Butsomecarrymoreobviously32items.Chainsawsaweedcuttingmachinehandsawsandmachetessteakknivesbottlesofcampingstovefuelandperfumebottlesshapedlikehandgrenadeswereamongitems33asasampleofobjectsseizedatNewYork’sJohnF.KennedyInternationalAirport. Whilesomecarry-onitemsmayhavebeen34--ahockeystickorachild’splasticsword--other35byTSAhaveyieldedrazorbladesintennisshoesandabayonethiddeninahollowed-outartificialleg. 23
PassageThree Tousitseemssonaturaltoputupan umbrellatokeepthewateroffwhenitrains.Butactuallytheumbrellawasnot inventedasprotectionagainstrain.Itsfirstusewasasashadeagainstthe sun.Nobodyknowswhofirstinventeditbuttheumbrellawas usedinveryancienttimes.ProbablythefirsttouseitweretheChineseway backintheeleventhcenturyB.C.Weknowthattheumbrellawas usedinancientEgyptandBabylonasasunshade.Andtherewasastrangething connectedwithitsuse:itbecameasymbolofhonorandauthority.IntheFar Eastinancienttimestheumbrellawasallowedtobeusedonlybyroyaltyorby thoseinhighoffice.InEuropetheGreekswerethefirstto usetheumbrellaasasunshade.Andtheumbrellawasincommonuseinancient Greece.ButitisbelievedthatthefirstpersonsinEuropetousetheumbrella asprotectionagainsttherainweretheancientRomans.During theMiddleAgestheuseoftheumbrellapracticallydisappeared.Thenit appearedagaininItalyinthelatesixteenthcentury.Andagainitwas consideredasymbolofpowerandauthority.By1680Theumbrellaappearedin FranceandlateroninEngland.Bytheeighteenthcenturythe umbrellawasusedagainstrainthroughoutmostofEurope.Umbrellashavenot changedmuchinstyleduringallthistimethoughtheyhavebecomemuchlighter inweight.Itwasn’tuntilthetwentiethcenturythatwomen’sumbrellasbeganto bemadeinawholevarietyofcolors.Thefirstuseofumbrellawasas______.
Directions:Therearefivereadingpassagesinthispart.Eachpassageis followedbyfourquestions.Foreachquestiontherearefoursuggestedanswers markedABCandD.Choosethebestanswerandblackenthecorresponding letterontheAnswerSheet.PassageOne Manyanimalshaveanexcellentsenseof smellwhichtheyuseinhunting.Ontheotherhandtheireyesightmaybepoor. Dogsforexamplehavepooreyesightandnocolorvision.Theyseeonlyshades ofgray.Butthedog’ssenseofsmellisextraordinaryThekind ofdogknownasAlsatianhas220millionolfactory嗅觉cells.Manhasfive million.ScientistsbelievethattheAlsatianisonemilliontimesbetterthan maninfindingoutodors.Thehumansenseofsmellhoweveris reallyquitegood.Theaveragehumanbeingcandistinguishmorethan10000 differentodors.Thebesttitleofthepassageis______.
Directions:Therearefivereadingpassagesinthispart.Eachpassageis followedbyfourquestions.Foreachquestiontherearefoursuggestedanswers markedABCandD.Choosethebestanswerandblackenthecorresponding letterontheAnswerSheet.PassageOne Manyanimalshaveanexcellentsenseof smellwhichtheyuseinhunting.Ontheotherhandtheireyesightmaybepoor. Dogsforexamplehavepooreyesightandnocolorvision.Theyseeonlyshades ofgray.Butthedog’ssenseofsmellisextraordinaryThekind ofdogknownasAlsatianhas220millionolfactory嗅觉cells.Manhasfive million.ScientistsbelievethattheAlsatianisonemilliontimesbetterthan maninfindingoutodors.Thehumansenseofsmellhoweveris reallyquitegood.Theaveragehumanbeingcandistinguishmorethan10000 differentodors.TheAlsatian’solfactorycellsare______timesasmanyasman’s.
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