• 2022-06-07 问题

    SectionBPassage1Questions11through13arebasedonthefollowingpassage:11. A: Theydon'ttrustothers. B: Itisexpensivetohirelabor. C: Theydon'tliketobehelped. D: Theycandobetterthanothers.

    SectionBPassage1Questions11through13arebasedonthefollowingpassage:11. A: Theydon'ttrustothers. B: Itisexpensivetohirelabor. C: Theydon'tliketobehelped. D: Theycandobetterthanothers.

  • 2022-06-06 问题

    Theydon’thave______newbooks.Theyonlyhavesomeoldones.[    ] A: some B: any C: many D: much

    Theydon’thave______newbooks.Theyonlyhavesomeoldones.[    ] A: some B: any C: many D: much

  • 2022-06-05 问题

    Kathy:DoesyourcompanydobusinessinMexico?Timothy:No,______.ButwedobusinessinCanada. A: itdoesn’t B: theydon’t C: wedon’t

    Kathy:DoesyourcompanydobusinessinMexico?Timothy:No,______.ButwedobusinessinCanada. A: itdoesn’t B: theydon’t C: wedon’t

  • 2021-04-14 问题

    (First-pricesealed-bidauction)Aliceissellingher2000chevroletcavaliertoherfriends,BobandCharles.BobattachesavalueofS$8,000toAlice'soldcar,whileCharles'svalueofthecarisS$10,000.(ThesevaluationsarecommonknowledgebetweenBobandCharles.)Alicedesignsthefollowingauctiontosellhercar:First,sheaskseachofthemtowritehisbidonapieceofpaper.ThenBobandCharlesgivetheirbids(nonnegativeintegers)toAlice.NoticethatwhenBobandCharleswritedowntheirbids,theydon'tknoweachother'sbid(socalled'sealedbid').AfterAlicereceivesthesealedbids,thebidsareshowntoeveryone,andthecarwillbesoldtothepersonwhohasthehigherbidatthepriceequaltohisownbid.Whenthereisatie(BobandCharlesbidthesameamount),thenAlicewouldflipafaircointodecidewhowillgetthecar. InthisgameBobbids7999andCharlesbids8000isaNashequilibrium.

    (First-pricesealed-bidauction)Aliceissellingher2000chevroletcavaliertoherfriends,BobandCharles.BobattachesavalueofS$8,000toAlice'soldcar,whileCharles'svalueofthecarisS$10,000.(ThesevaluationsarecommonknowledgebetweenBobandCharles.)Alicedesignsthefollowingauctiontosellhercar:First,sheaskseachofthemtowritehisbidonapieceofpaper.ThenBobandCharlesgivetheirbids(nonnegativeintegers)toAlice.NoticethatwhenBobandCharleswritedowntheirbids,theydon'tknoweachother'sbid(socalled'sealedbid').AfterAlicereceivesthesealedbids,thebidsareshowntoeveryone,andthecarwillbesoldtothepersonwhohasthehigherbidatthepriceequaltohisownbid.Whenthereisatie(BobandCharlesbidthesameamount),thenAlicewouldflipafaircointodecidewhowillgetthecar. InthisgameBobbids7999andCharlesbids8000isaNashequilibrium.

  • 2021-04-14 问题

    Americaisamobilesociety.FriendshipsbetweenAmericanscanbecloseandreal,yetdisappearsoonifsituationschange.Neithersidefeelshurtbythis.BothmayexchangeChristmasgreetingsforayearortwo,perhapsafewlettersforawhile—thennomore.Ifthesametwopeoplemeetagainbychance,evenyearslater,theypickupthefriendship.ThiscanbequitedifficultforusChinesetounderstand,becausefriendshipsbetweenusflowermoreslowlybutthenmaybecomelifelongfeelings,extending(延伸)sometimesdeeplyintobothfamilies.Americansarereadytoreceiveusforeignersattheirhomes,sharetheirholidays,andtheirhomelife.Theywillenjoywelcomingusandbepleasedifweaccepttheirhospitality(好客)easily.AnotherdifficultpointforusChinesetounderstandAmericansisthatalthoughtheyincludeuswarmlyintheirpersonaleverydaylives,theydon’tshowtheirpolitenesstousifitrequiresagreatdealoftime.Thisisusuallytheoppositeofthepracticeinourcountrywherewemaybegenerouswithourtime.Sometimes,we,ashosts,willappearatairportseveninthemiddleofthenighttomeetafriend.Wemaytakedaysofftoactasguidestoourforeignfriends.TheAmericans,however,expresstheirwelcomeusuallyathomes,buttrulycannotmanagethetimetodoagreatdealwithavisitoroutsidetheirdailyroutine.Theywillprobablyexpectustogetourselvesfromtheairporttoourownhotelbybus.Andtheyexpectthatwewillphonethemfromthere.Oncewearriveattheirhomes,thewelcomewillbefull,warmandreal.Wewillfindourselvestreatedhospitably.FortheAmericans,itisoftenconsideredmorefriendlytoinviteafriendtotheirhomesthantogotorestaurants,exceptforpurelybusinessmatters.Soaccepttheirhospitalityathome!1.Thewriterofthispassagemustbe______.A.anAmericanB.aChineseC.aprofessorD.astudent2.WhichofthefollowingstatementsisTRUEaccordingtothepassage?A.FriendshipsbetweenAmericansusuallyextenddeeplyintotheirfamilies.B.FriendshipsbetweenAmericansusuallylastforalltheirlives.C.Americansalwaysshowtheirwarmtheveniftheyareverybusy.D.Americanswillcontinuetheirfriendshipsagainevenafteralongbreak.3.FromthelasttwoparagraphswecanlearnthatwhenwearriveinAmericatovisitanAmericanfriend,wewillprobablybe______.A.warmlywelcomedattheairportB.offeredaridetohishomeC

    Americaisamobilesociety.FriendshipsbetweenAmericanscanbecloseandreal,yetdisappearsoonifsituationschange.Neithersidefeelshurtbythis.BothmayexchangeChristmasgreetingsforayearortwo,perhapsafewlettersforawhile—thennomore.Ifthesametwopeoplemeetagainbychance,evenyearslater,theypickupthefriendship.ThiscanbequitedifficultforusChinesetounderstand,becausefriendshipsbetweenusflowermoreslowlybutthenmaybecomelifelongfeelings,extending(延伸)sometimesdeeplyintobothfamilies.Americansarereadytoreceiveusforeignersattheirhomes,sharetheirholidays,andtheirhomelife.Theywillenjoywelcomingusandbepleasedifweaccepttheirhospitality(好客)easily.AnotherdifficultpointforusChinesetounderstandAmericansisthatalthoughtheyincludeuswarmlyintheirpersonaleverydaylives,theydon’tshowtheirpolitenesstousifitrequiresagreatdealoftime.Thisisusuallytheoppositeofthepracticeinourcountrywherewemaybegenerouswithourtime.Sometimes,we,ashosts,willappearatairportseveninthemiddleofthenighttomeetafriend.Wemaytakedaysofftoactasguidestoourforeignfriends.TheAmericans,however,expresstheirwelcomeusuallyathomes,buttrulycannotmanagethetimetodoagreatdealwithavisitoroutsidetheirdailyroutine.Theywillprobablyexpectustogetourselvesfromtheairporttoourownhotelbybus.Andtheyexpectthatwewillphonethemfromthere.Oncewearriveattheirhomes,thewelcomewillbefull,warmandreal.Wewillfindourselvestreatedhospitably.FortheAmericans,itisoftenconsideredmorefriendlytoinviteafriendtotheirhomesthantogotorestaurants,exceptforpurelybusinessmatters.Soaccepttheirhospitalityathome!1.Thewriterofthispassagemustbe______.A.anAmericanB.aChineseC.aprofessorD.astudent2.WhichofthefollowingstatementsisTRUEaccordingtothepassage?A.FriendshipsbetweenAmericansusuallyextenddeeplyintotheirfamilies.B.FriendshipsbetweenAmericansusuallylastforalltheirlives.C.Americansalwaysshowtheirwarmtheveniftheyareverybusy.D.Americanswillcontinuetheirfriendshipsagainevenafteralongbreak.3.FromthelasttwoparagraphswecanlearnthatwhenwearriveinAmericatovisitanAmericanfriend,wewillprobablybe______.A.warmlywelcomedattheairportB.offeredaridetohishomeC

  • 2021-04-14 问题

    PartIIReadingComprehension(60points,2pointseach)Directions:Thereare6passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoice.PassageOneQuestions21to25arebasedonthefollowingpassage.Theunderseaworldisverybeautiful.Nowmoreandmorepeoplewanttodiveinthewatertofindthesecretthere.Scubadivingisanewsporttoday.Itcantakeyouintoawonderfulunderseaworld.Youwillfindmanystrangeanimalsinthesea.Someareaslargeasaschoolbus.Manyseaanimalsgiveoutlightinthedarkandsomehavesharpteeth.Duringtheday,thereisenoughlight.Here,underthesea,everythingisblueandgreen.Whenfishswimnearby,youcancatchthemwithyourhands.Whenyouhavebottlesofaironyourback,youcanstayindeepwaterforalongtime.However,youcan’tdivetoodeep.Andyoumustbeverycarefulwhenyoudiveindeepwater.Thedeepseaisnotaneasyplacetolivein.It’scold,andit’sdark,too.Thedeeperitis,thelesssunlightthereis.Atabout3,000feet,thereisnolightatall.Itisverydarkinthesea.Manyfisheshavenoeyes.Somehavebigeyes.Afewhaveeyesononeside.Besidesthecoldandthedarkness,deep-seaanimalsfaceathirddanger—otheranimals.Animalseat!Theymustfindfoodtoeat.Manyanimalseatplants.However,someanimalseatmeat.Thismeanstheseseaanimalshavetwobigjobs.Theyneedtofindanimalsasfood,andtheyhavetotrynottobecomeotheranimals’meal.21.Whydopeoplewanttodiveinthesea?Because__________.A.theywanttocatchfishB.theywanttofindthesecretsoftheunderseaworldC.theseaisdeepD.thereareallkindsofplantsinthesea22.Inthedaytime,whenyoudiveinthesea,you__________.A.canseeeverythinggreenandblueB.can’tbeindangerC.cancatchnothingD.can’tseeanythingclearly23.Howmanydangerswillanimalsmeetinthedeepsea?A.OneB.Two.C.ThreeD.Four24.WhichofthefollowingisNOTtrue?A.Oneanimalfindssomethingtoeat,anditmaybeeatenbyothers.B.Atthedepthof3,000feetunderthesea,manyanimalscanfindtheirwaybyhearingandfeeling.C.Thedeepertheseais,thedarkerandcolderitis.D.Atthedepthof3,000feetunderthesea,allanimalscanfindtheirwaybyseeing.25.Allthedeep-seaanimalseatplants,don’tthey?__________A.Yes,theydo.B.No,theydon’t.

    PartIIReadingComprehension(60points,2pointseach)Directions:Thereare6passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoice.PassageOneQuestions21to25arebasedonthefollowingpassage.Theunderseaworldisverybeautiful.Nowmoreandmorepeoplewanttodiveinthewatertofindthesecretthere.Scubadivingisanewsporttoday.Itcantakeyouintoawonderfulunderseaworld.Youwillfindmanystrangeanimalsinthesea.Someareaslargeasaschoolbus.Manyseaanimalsgiveoutlightinthedarkandsomehavesharpteeth.Duringtheday,thereisenoughlight.Here,underthesea,everythingisblueandgreen.Whenfishswimnearby,youcancatchthemwithyourhands.Whenyouhavebottlesofaironyourback,youcanstayindeepwaterforalongtime.However,youcan’tdivetoodeep.Andyoumustbeverycarefulwhenyoudiveindeepwater.Thedeepseaisnotaneasyplacetolivein.It’scold,andit’sdark,too.Thedeeperitis,thelesssunlightthereis.Atabout3,000feet,thereisnolightatall.Itisverydarkinthesea.Manyfisheshavenoeyes.Somehavebigeyes.Afewhaveeyesononeside.Besidesthecoldandthedarkness,deep-seaanimalsfaceathirddanger—otheranimals.Animalseat!Theymustfindfoodtoeat.Manyanimalseatplants.However,someanimalseatmeat.Thismeanstheseseaanimalshavetwobigjobs.Theyneedtofindanimalsasfood,andtheyhavetotrynottobecomeotheranimals’meal.21.Whydopeoplewanttodiveinthesea?Because__________.A.theywanttocatchfishB.theywanttofindthesecretsoftheunderseaworldC.theseaisdeepD.thereareallkindsofplantsinthesea22.Inthedaytime,whenyoudiveinthesea,you__________.A.canseeeverythinggreenandblueB.can’tbeindangerC.cancatchnothingD.can’tseeanythingclearly23.Howmanydangerswillanimalsmeetinthedeepsea?A.OneB.Two.C.ThreeD.Four24.WhichofthefollowingisNOTtrue?A.Oneanimalfindssomethingtoeat,anditmaybeeatenbyothers.B.Atthedepthof3,000feetunderthesea,manyanimalscanfindtheirwaybyhearingandfeeling.C.Thedeepertheseais,thedarkerandcolderitis.D.Atthedepthof3,000feetunderthesea,allanimalscanfindtheirwaybyseeing.25.Allthedeep-seaanimalseatplants,don’tthey?__________A.Yes,theydo.B.No,theydon’t.

  • 2022-06-01 问题

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

  • 2021-04-14 问题

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

  • 2022-06-01 问题

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

  • 2022-10-25 问题

    下列哪个码片序列不能用于CDMA通信 A: ( -1 -1 -1 +1 +1 -1 +1 +1 ) B: ( -1 -1 +1 -1 +1 +1 +1 -1 ) C: ( -1 +1 -1 +1 +1 -1 -1 -1 ) D: ( -1 +1 -1 -1 -1 -1 +1 -1 )

    下列哪个码片序列不能用于CDMA通信 A: ( -1 -1 -1 +1 +1 -1 +1 +1 ) B: ( -1 -1 +1 -1 +1 +1 +1 -1 ) C: ( -1 +1 -1 +1 +1 -1 -1 -1 ) D: ( -1 +1 -1 -1 -1 -1 +1 -1 )

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