2016-2023年包头职业技术学院高职单招（英语／数学／语文）笔试历年参考题库含答案解析

2016-2023年包头职业技术学院高职单招（英语／数学／语文）笔试历年参考题库含答案解析（图片大小可任意调节）第1卷一.数学单项选择题(共15题)1.已知椭圆的长轴长与短轴长的比为3∶4，则其离心率为（）

A.见图A

B.见图B

C.见图C

D.见图D

2.在正方体ABCD－A1B1C1D1中，E，F分别为AD1D1D的中点，则直线EF与BD1所成角的正弦值是（）

A.见图A

B.见图B

C.见图C

D.见图D

3.设a，b，C为实数，且a>b，则（）

A.a-c>b-c

B.｜a｜>｜b｜

C.a2>b2

D.ac>bc

4.已知点则点P的坐标为()

A.(2，7/2)

B.(0，4)

C.(8，2)

D.(2，1)

5.函数的最小正周期为（）

A.见图A

B.见图B

C.见图C

D.见图D

6.若函数f（x）的定义域为实数集且满足f（2x）＝2x，则f（x）＝（）

A.见图A

B.见图B

C.见图C

D.见图D

7.设全集（）

A.见图A

B.见图B

C.见图C

D.见图D

8.直线的交点在χ轴上，且则l1在y轴的截距是()

A.-4

B.-8/3

C.4

D.8/3

9.若等比数列{an}的公比为3，a4＝9，则a1＝（）

A.见图A

B.见图B

C.见图C

D.见图D

10.下列函数中，为偶函数的是（）

A.见图A

B.见图B

C.见图C

D.见图D

11.圆x2＋y2＝25上的点到直线5x＋12y－169＝0的距离的最小值是（）

A.9

B.8

C.7

D.6

12.在点x＝0处的导数等于零的函数是（）

A.y＝sinx

B.y＝x－1

C.y＝ex－x

D.y＝x2－x

13.四面体S-ABC中，各个侧面都是边长为a的正三角形，E，F分别是SC和AB的中点，则异面直线EF与SA所成的角等于（）

A.90°

B.60°

C.45°

D.30°

14.甲、乙两人独立的破译一个密码，设两人能破译的概率分别为P1，P2，则恰有一人能破译的概率为

A.见图A

B.见图B

C.见图C

D.见图D

15.抛物线x2＝4y上一点A的纵坐标为4，则点A与抛物线焦点的距离为（）

A.2

B.3

C.4

D.5

二.数学问答题(共3题)1.展开式中，χ4的系数是__________.

2.已知椭圆，问实数m在什么范围内，过点(0，m)存在两条互相垂直的直线都与椭圆有公共点．

3.已知函数f（x）＝x3＋ax2＋b在x＝1处取得极值－1，求

（1）a，b；

（2）f（x）的单调区间，并指出f（x）在各个单调区间的单调性.

三.英语单项选择题(共25题)1.Itwasafterhegotwhathehaddesired_______herealizeditwasnotsoimportant．

A.that

B.when

C.since

D.As

2.通读下面的短文，掌握其大意。然后每小题的四个选项中选出可填入相应空白处的最佳选项。

Enoughsleepisimportanttohealth.Theamountofsleep21dependsontheageofthepersonandtheconditionsinwhichsleep22.Theyoungmayneedmoresleepthantheold,butgenerallyeighthoursareenoughforthehealthofgrown-ups.Somecan23withlessthanthisamountbut24mayneedmore.Everypersonknowshisownneed．Itisthenamatterofhowto25it.Sleepshouldalwaysbeenoughtomakeonerelaxed（松弛）andreadyfor26work.

Freshairis27tosoundsleep（酣睡）.Itisnotwithoutreasonforsomepeopleto28thatitispracticaltosleepintheopenair.29apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthebody30completerelaxation.

Abilitytosleepislargelyahabit.Theconditionsreferredtoonlyleadtosleep.Out-of-door31,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand32areallhelpfultosoundsleep.Suchfactorsarelargelywithinthecontrolofanyperson.Abathat33,neitherhotnorcoldbutof34temperature,maybehelpfultosleep.Sleepingpillsshouldneverbetakenexceptwhensuggestedby35.

（）

A.hoped

B.urged

C.needed

D.required

3.Thenexttimeyoutryforahigh-rankingpost,youcouldletyourpossiblebosslistentoarecommending（推荐）phonecall"made"byUSPresidentCeorgeW.BushorBritishPrimeMinisterTonyBlair.

Ofcourse,neitherofthemcouldreallydothatforyou--youwouldjust"borrow"theirvoices.

AT&Tlabswillstartsellingspeechsoftwarethatitsaysissogoodatreproducingthesoundsofahumanvoicethatitcanrecreatevoicesandevenbringthevoicesoflong-deadfamouspeoplebacktolife.

Thesoftware,whichturnsprintedtextintospeech,makesitpossibleforacompanytouserecordingsofaperson′svoicetosaythingsthatthepersonneveractuallysaid.

Possiblecustomersforthesoftware,whichispricedinthethousandsofdollars,includestelephonecallcenters,companiesthatmakesoftwarethatreadsdigital（数字的）filesaloud,andmakersofautomatedvoicedevices（装置）.Theadvancesraiseseveralproblems.Who,forexample,ownstherightstoafamousperson′svoice?Someexpertsevenbelievethatnewcontracts（合同）willbedrawnthatincludevoice-licensingclauses.

"Andalthoughscientistssaythetechnologyisnotyetgoodenoughtocommitfraud（假冒）,wouldthesynthesized（合成的）voicesatlastbeabletotrickpeopleintothinkingthattheyweregettingphonecallsordigitalaudiorecordingsfrompeopletheyknow?

EvenMrFruchterman,oneofAT&Tlabs′possiblefirstcustomers,saidhewonderedwhatthenewtechnologymightbring."Justlikeyoucan′ttrustaphotographanymore."hesaid,"youwon′tbeabletotrustavoiceeither."

Ifthespeechsoftwarewerewidelyused,

A.peoplewouldnolongerbelieveeachother

B.itwouldnotbenecessarytogoforaspeechbyafamousperson

C.noradioorTVbroadcasterswouldbeneeded

D.recordingofavoicealonewouldnotbetakenasaproofinthecourt

4."It'snouse,Mum,"saidJohnny．"I'mjustnogoodatdancing．"

"You'vegottokeeptrying．Tonightwillbe21,dear．TryaturnwiththatprettyLisette．"

Johnny22．EverySaturdaynightusedtobethebestoftheweek．Heandhisparentswenttothe23attheClub,wherehishero,Alcide,playedtheaccordion(手风琴)withtheband．Butlatelyeverythinghadchanged．NowthatJohnnywasolder,hewas24todancewithagirl!

25JohnnyandhisparentsarrivedattheClub,musichadalreadystarted．Johnnygotuphis26toapproachLisette．"MayIhavethisdance?"Johnnyasked．"That'sallright,"saidLisette．

JohnnystruggledtokeepupwithLisette's27steps,buthewasalwaysonebeatbehindher．ThenJohnnyheardhisfriendPierresay,"Look!Johnnyhastwoleftfeet!"Laughterburstfromthecrowd．

Johnny28andranoutside,determinednevertogotoanotherdance．

ThenextSaturday,AlcidedrovetoJohnny'shouseforsomepotatoes．HehappenedtohearJohnnyplayingtheaccordion．Alcide'seyes29"Bringthataccordionandplaysomesongstonight,"Alcidesaid．Thenhedroveoff,leavingJohnnystaringopen-mouthed30him．

AttheClub,JohnnyscannedthecrowdforLisetteand31her．ThebandplayedforalongtimebeforeAlcidesaid,"Dearfriends,Igota32foryoutonight．YoungJohnnyisgoingtojoinus!"

Trembling,Johnnysteppedupontheplatform,hiseyesonthefloor．Hebegantoplay,andthebandjoinedinbehindhim．Whenthesongended,heheardcheers．Johnnykeptplayinguntilthedancewas33．"Youdidafinejobtonight．PlaywithusagainnextSaturdaynight,"Alcidesaid．"Yes,sir!"

saidJohnny．34hewentoutside,JohnnysawLisetteandherfriendsnearthedoor．Lisettesteppedforward,smiling,"Youplayedreallygoodtonight!"shesaid．

"Thankyou,"Johnnyblushed(脸红)．Ashewalkedon,Pierre35movedoutofthewayforhimtopass．

Johnnypattedhisaccordion．Cometothinkofit,inhiswholelife,hehadneveronceseenAlcideoutonthedancefloor．

第（31）题答案

A.caught

B.searched

C.sought

D.spotted

5.

A.见图A

B.见图B

C.见图C

D.见图D

6.ItiswidelyacceptedthatEnglishisthegloballanguageofmoderntimes.

Aboutthreedecadesago,Frenchwasrecognizedasthelanguageofdiplomacy（外交），andGermanwasconsideredthelanguageofscienceandtechnology.Englishnowdominates（主导）notonlyasthelanguageofsciencebutalsodiplomacy,computing,andtourism.Today,intermsofnativespeakers,MandarinChineseistheworld’slargestlanguage.

YettherearepeoplewhobelievethatChinawillbecomethemostpowerfulcountryintheworld.Somehaveevenfixedthedateasearlyastheyear2020.Atpresent,whileEnglishismorewidelyspokenthananyotherlanguage,therearemorepeoplewhospeakChinesethanEnglishduetothelargepopulationinChinaalone.IfChinadoesbecomeaworldpower,thereisnodoubtthatthislanguagewillspreadworldwide.

Asthecontroversyoverwhichlanguagewillbecomedominantintheworldcontinues,therearemanywhofeelthatthedominanceofEnglishisuniqueandirreversible（不可逆的）.However,aseparatestudyfromDavidGraddol’ssuggeststhatEnglish’sdominanceinthescientificareawillcontinue.ThereisalsoanargumentthattheEnglishlanguagewouldbechangedgreatlyby2020forvariousreasons.WiththepossibilityofChinarisingasaworldpower,MandarincoulddefinitelychallengethedominanceofEnglishasagloballanguage.

TheauthorsaysthatChineseisexpectedtospreadworldwideif____.（）

A.moretouristscometoChina

B.Chinahasalargerpopulation

C.Chinahasthemoderntechnology

D.Chinabecomesarealworldpower

7.Atallbuildinghasbeensetupin____wasawastelandbefore.（）

A.which

B.where

C.what

D.that

8.InnearlyeverytownorcitycenterintheUK,onmostdaysoftheweekyoucanfindoneormorepeoplestandinginthestreetsellingamagazine21TheBigIssue.Thesepeopleareall22,buttheyarenotbeggingformoney.23,theyaresellingthemagazineasameans(手段)of24asmallbutrespectableliving.

TheBigIssuemagazinewas25in1991byJonBirdandGordonRoddickafterthey26thatthereweremanyhomelesspeoplewhowere27onthestreetsofLondon.Onaprevious(之前的)28toNewYork,oneofthemhadseenhomelesspeoplesellinganews-paperknownasStreetNews29theydecidedtosetupsomething30intheBritishcapital.

Nowadays,TheBigIssuehas31allovertheUKandthereareevendifferentversions(版本)ofthemagazineindifferentpartsofthe32Thesellersbuyeachmagazinefromtheorganizationforseventypenceandthensellittoa33oronepoundfifty.ByworkingwithTheBigIssue,manypeoplehavebeen34toescapefromhomelessness,and35manyofthemhavemovedontonewjobsandnewlives.

第（34）题选

A.helped

B.asked

C.forced

D.needed

9.Imadethismyselfbutitwas_______whotaughtme.

A.he

B.him

C.himself

D.byhim

10.Ronwasanengineer.Heplannedachangeandtriedthenewjobofteachingkidshowtoswim.Ron′seasy?mannersoonmadehimafull-timeemployeeattheswimschool.

Now,the40hoursheworksaweektakesinweekends,earlymorningsandlateafternoons.Heearnsaround?25%lessthanhedidinengineering.But,at49,hesayshehasneverbeenhappier."I′vehadadropinpay,butI′ve?cutbackonspending,too.Iseldomdrivetoworksodon′thavetopayasmuchforpetrol（汽油）.Idon′tdrinkasmuch.IgowalkinginmylunchbreakandI′velost20kilos.Ilovegoingtowork.Thewholefamilyisalothappier."

Whenoneofhisbrotherscalled,offeringtohelphimfind"arealioh",heanswered,"Idon′tcare.Iknowwhat?I′mdoingisgood."

Headmitsitwasfearfulmakingsuchabigchangewhentherewasthemortgage（分期付款）topayandkidstoclotheandfeed,butintheendhefeelsitisasimplechoice."Ifyou′reinajobyoudon′tlike,getout.Money′snot?everything.Ifyoudon′tlikeit,change—findsomethingyou′regoingtobehappywith."

What′sRon′sadvicetothereaders?

A.Sticktothejobifyouhavekidstoraise

B.Changethejobifyoudon'tlikeitanymore

C.Sticktothejobifyouhavemortgagetopay

D.Changethejobifyoudon'tgetenoughmoney

11.通读下面的短文，掌握其大意。然后，从每小题的四个选项中选出最佳选项。

Enoughsleepisimportanttohealth.Theamountofsleepneeded21ontheageofthepersonandtheconditionsinwhichsleep22.Theyoungmayneedmoresleepthantheold,but23eighthoursareenoughforthehealthofgrown-ups.Somecandowithlessthanthisamount,but24mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto25it.Sleepshouldbealwaysenoughtomakeonebringbackhisstrongandgetreadyfor26work.

Freshairis27tosoundsleep.Soitisnot28reasonforsomepeopletothinkthatitispracticabletosleepintheopenair.29apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthepleterelaxation.

Abilitytosleepislargelyahabit.Out-of-door31,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand32areallhelpfultosoundsleep.Suchfactorsarelargelywithinthe33ofanyperson.Abathat34,neitherhotnorcoolbutofbodytemperature,maybehelpfultosleep.Sleepproducingdrug（帮助睡眠的药物）shouldneverbetakenexceptwhensuggestedby35.

____.

A.children

B.women

C.others

D.few

12.请选出下面划线部分读音不同的选项（）

A.no[t]ice

B.prac[t]ice

C.Bri[t]ish

D.pa[t]ient

13.—Hasthewalletbeenreturnedyet

—No，butweexpect______anydaynow.

A.toreturnit

B.ittoreturn

C.ittobereturned

D.itreturned

14."It′snouse,Mum,"saidJohnny."I′mjustnogoodatdancing."

"You′vegottokeeptrying.Tonightwillbe?21,dear.TryaturnwiththatprettyLisette."Johnny?22.EverySaturdaynightusedtobethebestoftheweek.Heandhisparentswenttothe?23?attheClub,wherehishero,Alcide,playedtheaccordion(手风琴)withtheband.Butlatelyeverythinghadchanged.NowthatJohnnywasolder,hewas?24?todancewithagirl!25?JohnnyandhisparentsarrivedattheClub,musichadalreadystarted.Johnnygotuphis?26?toapproachLisette."MayIhavethisdance?"Johnnyasked."That′sallright,"saidLisette.JohnnystruggledtokeepupwithLisette′s?27?steps,buthewasalwaysonebeatbehindher.ThenJohnnyheardhisfriendPierresay,"Look!Johnnyhastwoleftfeet!"Laughterburstfromthecrowd.Johnny?28?andranoutside,determinednevertogotoanotherdance.

ThenextSaturday,AlcidedrovetoJohnny′shouseforsomepotatoes.HehappenedtohearJohnnyplayingtheaccordion.Alcide′seyes?29."Bringthataccordionandplaysomesongstonight,"Alcidesaid.Thenhedroveoff,leavingJohnnystaringopen-mouthed?30him.

AttheClub,JohnnyscannedthecrowdforLisetteand?31?her.ThebandplayedforalongtimebeforeAlcidesaid,"Dearfriends,Igota?32?foryoutonight.YoungJohnnyisgoingtojoinus!"Trembling,Johnnysteppedupontheplatform,hiseyesonthefloor.Hebegantoplay,andthebandjoinedinbehindhim.Whenthesongended,heheardcheers.Johnnykeptplayinguntilthedancewas?33"Youdidafinejobtonight.PlaywithusagainnextSaturdaynight,"Alcidesaid."Yes,sir!"saidJohnny.34?hewentoutside,JohnnysawLisetteandherfriendsnearthedoor.Lisettesteppedforward,smiling,"Youplayedreallygoodtonight!"shesaid.

"Thankyou,"Johnnyblushed(脸红).Ashewalkedon,Pierre?35?movedoutofthewayforhimtopass.

Johnnypattedhisaccordion.Cometothinkofit,inhiswholelife,hehadneveronceseenAleideoutonthedancefloor.

第31题答案是

A.caught

B.searched

C.sought

D.spotted

15.请选出下面划线部分读音不同的选项

A.c[o]mb

B.gl[o]be

C.sm[o]ke

D.cl[o]ck

16.Moods,saytheexperts,arefeelingsthatarelikelytobecomefixed,havingeffectsonone′sout-look(wayoflookingatthings)forhours,daysorevenweeks.That′sgreatifyourmoodisapleasantone,butaproblemifyouaresad,anxious,angryorsimplylonely.

Perhapsthebestwaytodealwithsuchmoodsistotalkthemout;sometimes,though,thereisnoonetolisten.Modernpharmacology(药物学)offersalottranquilizers(镇定剂)andanti-anxietydrugs.Whatmanypeopledon′trealize,however,isthatscientistshavediscoveredtheeffectivenessofseveralnon-drugmethodstomakeyoufreefromanunwantedmood.Thesecanbejustasusefulasdrugs,andhavetheaddedbenefitofbeingnonpoisonous.Sonexttimeyoufeeloutofsorts,don′theadforthedrugstore--trythefollowingmethod.

Ofallthemood-changingself-helptechniques,aerobicexerciseseemstobethebestcureforabadmood."Ifyoucouldkeeptheexercise,you′dbeinhighspirits,"saysKathrynLance,authorofRunningforHealthandBeauty.

Researchershaveexplainedbiochemicalandvariousotherchangesthatmakeexercisecomparefavorablytodrugsasmood-raiser.Physicalworksuchashousework,however,doeslittle.Thekeyisaerobicexercise--running,cycling,walking,swimming,orotherrepetitiveandsustainedactivitiesthatincreasetheheartrateandcirculation(循环),andimprovethebody′suseofoxygen.Dothemforatleast20minutesatime,threetofivetimesaweek.

Whichofthefollowingbestdescribestheorganizationofthispassage?

A.Anexerciseanditsimportanceareexplained

B.Aproblemisexaminedandsolutionsaregiven

C.Twodifferentviewsofaproblemarepresented

D.Recentdevelopmentsinmedicinearedescribed

17.通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

InnearlyeverytownorcitycentreintheUK,onmostdaysoftheweekyoucanfindoneormorepeoplestandinginthestreetsellingamagazine21TheBigIssue.Thesepeopleareall22,buttheyarenotbeggingformoney.23,theyaresellingthemagazineasameans（手段）of24asmallbutrespectableliving.

TheBigIssuemagazinewas25in1991byJonBirdandGordonRoddickafterthey26thatthereweremanyhomelesspeoplewhowere27onthestreetsofLondon.Onaprevious（之前的）28toNewYork,oneofthemhadseenhomelesspeoplesellinganewspaperknownasStreetNews29theydecidedtosetupsomething30intheBritishcapital.

Nowadays,TheBigIssuehas31allovertheUKandthereareevendifferentversions（版本）ofthemagazineindifferentpartsofthe32.Thesellersbuyeachmagazinefromtheorganizationforseventypenceandthensellittoa33foronepoundfifty.ByworkingwithTheBigIssue,manypeoplehavebeen34toescapefromhomelessness,and35manyofthemhavemovedontonewjobsandnewlives.

____.

A.Besides

B.Instead

C.Therefore

D.Anyhow

18.—DidwehavetowaitforTom

—Well，_______veryangryifwehadn‘twaitedforhim．

A.he‘dhavebeen

B.hewere

C.hehadbeen

D.hemustbe

19.请选出下面划线部分读音不同的选项

A.h[ere]

B.m[ere]

C.nowh[ere]

D.sinc[ere]

20.通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

InnearlyeverytownorcitycentreintheUK,onmostdaysoftheweekyoucanfindoneormorepeoplestandinginthestreetsellingamagazine21TheBigIssue.Thesepeopleareall22,buttheyarenotbeggingformoney.23,theyaresellingthemagazineasameans（手段）of24asmallbutrespectableliving.

TheBigIssuemagazinewas25in1991byJonBirdandGordonRoddickafterthey26thatthereweremanyhomelesspeoplewhowere27onthestreetsofLondon.Onaprevious（之前的）28toNewYork,oneofthemhadseenhomelesspeoplesellinganewspaperknownasStreetNews29theydecidedtosetupsomething30intheBritishcapital.

Nowadays,TheBigIssuehas31allovertheUKandthereareevendifferentversions（版本）ofthemagazineindifferentpartsofthe32.Thesellersbuyeachmagazinefromtheorganizationforseventypenceandthensellittoa33foronepoundfifty.ByworkingwithTheBigIssue,manypeoplehavebeen34toescapefromhomelessness,and35manyofthemhavemovedontonewjobsandnewlives.

____.

A.landed

B.broken

C.floated

D.spread

21.Hobbswasanorphan.Heworkedinafactoryeverydayandhegotalittlemoney.Hardworkchangedhimthinandweak.Hewantedtoborrowalotofmoneytolearnpaintingpictures,buthedidnotthinkhecouldpayoffthedebts.

Onedaythelawyersaidtohim,"Onethousanddollars,andhereisthemoney."AsHobbstookthepackageofnotes,hewasverydumbfounded.Hedidn'tknowwherethemoneycamefromandhowtospendit.Hesaidtohimself,"Icouldgotofindahotelandlivelikearichmanforafewdays;orIgiveupmyworkinthefactoryanddowhatI'dliketodo:paintingpictures.Icoulddothatforafewweeks,butwhatwouldIdoafterthat?Ishouldhavelostmyplaceofthefactoryandhavenomoneytoliveon.Ifitwerealittlelessmoney,Iwouldbuyanewcoat,oraradio,orgiveadinnertomyfriends.Ifitweremore,Icouldgiveuptheworkandpayforpaintingpictures.Butit'stoomuchforoneandtoolittlefortheother."

"Hereisthereadingofyouruncle'swill",saidthelawyer,"tellingwhatistobedonewiththismoneyafterhisdeath.Imustaskyoutorememberonepoint.Yourunclehassaidyoumustbringmeapapershowingexactlywhatyoudidwithhismoney,assoonasyouhavespentit."Yes,Isee.I'lldothat."saidtheyoungman.

Withthemoneyhegot,firstHobbs____.（）

A.plannedtohaveahappylifeforafewdays

B.decidedtogiveuphisworkintheoffice

C.wastogiveadinnertohisfriends

D.hadnoideawhattodo

22.Notmanyyearsago,awealthyandratherstrangeoldmannamedJohnsonlivedaloneinavillageinthesouthofEngland.HehadmadealotofmoneyintradingwithforeigncountriesWhenhewasseventy-five,hegave1200tothevillageschooltobuylandandequipmentforachildren’splayground

Asaresultofhiskindness,manypeoplecametovisithim.Amongthemwasnewspaperman.Duringtheirtalk,Johnsonremarkedthathewasseventy-fiveandexpectedtolivetobeahundred.Thenewspapermanaskedhimhowhemanagedtobehealthyatseventy-five.Johnsonhadasenseofhumour（幽默）.Helikedwhisky（威士忌酒）anddranksomeeachday.“Ihaveaninjection（注射）inmyneckeachevening,”hetoldthenewspaperman,thinkingofhiseveningglassofwhisky

ThenewspapermandidnotunderstandwhatJohnsonmeant.InhisnewspaperhereportthatJohnsonwasseventy-fiveandhadadailyinjectioninhisneck.WithinaweekJohnsonreceivedthousandsoflettersfromalloverBritain,askinghimforthesecretofhisdailyinjection

WhatcanweinferfromJohnson'sactofgivingmoneytotheschool?（）

A.Hehasnochildren

B.Hewasastrangeman

C.Hewasveryfondofchildren

D.Hewantedpeopletoknowhowrichhewas

23.Intheolddays,diversusedtogodownintothesealookingforshipsthathadsunk,becausetheyhopedtofindgoldandjewels.Nowdiversstillsearchforvaluablethingsinsunkenships,buttheyalsotrytobringtothesurfacetheshipsthemselves,orpartsofthem.Thevalueofdifferentkindsofmetalshasincreasedgreatlyoverthelasttwentyorthirtyyearsandeventhoughashiphasbeenundertheseaformanyyears,itmaybeworthagreatdeal.

Onefamoussunkenshipisthe"Lusitania",whichsankoffthesoutherncoastofIrelandin1915withalossofnearly,1,500lives.Ithasfourhugepropellersmadeofanexpensivemetal.Todayeachofthosepropellersisworth$300,000ormore.TheshiplyingontheseabedhasbeenbroughtbyamancalledJohnLight.Hepaidabout$1,200,000forthewholeship.Hehopestobringupthosepropellersandsellthem.Healsohopestosellotherpartsoftheship,whenhehasbroughtthemtothesurface,forabout$600,000.

Diverstrytobringupmetalsbecause____.（）

A.theyhavebeenintheseaforalongtime

B.somekindsofmetalsareworthalotofmoney

C.itiseasytobringupmetals

D.goldandjewelsarenotvaluablethings

24.Whendidyoulastseeapolarbear?Onatriptoazoo,perhaps?IfyouhadattendedawinteractivityinNewYorkafewyearsago,youwouldhaveseenawholepolarbearclub.These"PolarBears"arepeoplewho-meetfrequentlyinwintertoswiminfreezingcoldwater.Thatday,theairtemperaturewas3oC,andthewatertemperaturewasabithigher.ThemembersofthePolarBearClubatConeyIsland,NewYorkareusuallyabouttheageof60.Membersmustsatisfytworequirements.First,theymustgetalongwellwitheveryoneelseinthegroup.Thisisveryimportantbecausetherearesomanydifferentkindsofpeopleintheclub.PolarBearsmustalsoagreetoswimoutdoorsatleasttwiceamonthfromNovemberthroughFebruary.

Doctorsdonotagreeaboutthemedicaleffectsofcold-waterswimming.Someareworriedaboutthedangersofaconditioninwhichthebody′stemperaturedropssolowthatfinallytheheartstops.Otherdoctors,however,pointoutthatthereismoredangerofaheartattackduringsummerswimmingbecausethedifferencebetweentheairtemperatureandwatertemperatureismuchgreaterinsummerthaninwinter.

ThePolarBearsthemselvesaresatisfiedwiththebenefits（oradvantages）ofcold-waterswimming.Theysaythattheirfavoriteformofexerciseisverygoodforthecirculatorysystem（循环系统）becauseitforcesthebloodtomovefasttokeepthebodywarm.Cold-waterswimmersusuallyturnbrightredafterafewminutesinthewater.Apersonwhoturnsblueprobablyhasaverypoorcirculatorysystemandshouldnottrycold-waterswimming.

Themainbenefits（oradvantages）ofcold-waterswimmingareprobablymental.ThePolarBearslovetoswimyear-round;theyfinditfunandrelaxing.Asone70-year-oldwomansays,"WhenIgointothewater,Ipourmytroublesintotheoceanandletthemfloataway."

Accordingtothepassage,somedoctorsbelieveitistruethat

A.youarehealthyifcold-waterswimmingturnsyourskincolorblue

B.cold-waterswimmingcausesmoreheartattacksinsummerthaninwinter

C.cold-waterswimmingcanmakethebodytemperaturedangerouslyhigh

D.PolarBearsarebearsswimminginfreezingwater

25."It′snouse,Mum,"saidJohnny."I′mjustnogoodatdancing."

"You′vegottokeeptrying.Tonightwillbe?21,dear.TryaturnwiththatprettyLisette."Johnny?22.EverySaturdaynightusedtobethebestoftheweek.Heandhisparentswenttothe?23?attheClub,wherehishero,Alcide,playedtheaccordion(手风琴)withtheband.Butlatelyeverythinghadchanged.NowthatJohnnywasolder,hewas?24?todancewithagirl!25?JohnnyandhisparentsarrivedattheClub,musichadalreadystarted.Johnnygotuphis?26?toapproachLisette."MayIhavethisdance?"Johnnyasked."That′sallright,"saidLisette.JohnnystruggledtokeepupwithLisette′s?27?steps,buthewasalwaysonebeatbehindher.ThenJohnnyheardhisfriendPierresay,"Look!Johnnyhastwoleftfeet!"Laughterburstfromthecrowd.Johnny?28?andranoutside,determinednevertogotoanotherdance.

ThenextSaturday,AlcidedrovetoJohnny′shouseforsomepotatoes.HehappenedtohearJohnnyplayingtheaccordion.Alcide′seyes?29."Bringthataccordionandplaysomesongstonight,"Alcidesaid.Thenhedroveoff,leavingJohnnystaringopen-mouthed?30him.

AttheClub,JohnnyscannedthecrowdforLisetteand?31?her.ThebandplayedforalongtimebeforeAlcidesaid,"Dearfriends,Igota?32?foryoutonight.YoungJohnnyisgoingtojoinus!"Trembling,Johnnysteppedupontheplatform,hiseyesonthefloor.Hebegantoplay,andthebandjoinedinbehindhim.Whenthesongended,heheardcheers.Johnnykeptplayinguntilthedancewas?33"Youdidafinejobtonight.PlaywithusagainnextSaturdaynight,"Alcidesaid."Yes,sir!"saidJohnny.34?hewentoutside,JohnnysawLisetteandherfriendsnearthedoor.Lisettesteppedforward,smiling,"Youplayedreallygoodtonight!"shesaid.

"Thankyou,"Johnnyblushed(脸红).Ashewalkedon,Pierre?35?movedoutofthewayforhimtopass.

Johnnypattedhisaccordion.Cometothinkofit,inhiswholelife,hehadneveronceseenAleideoutonthedancefloor.

第30题答案是

A.off

B.with

C.after

D.for

四.英语多项选择题(共5题)1.CaliforniaStateRailroadMuseum

Hours.

Themuseumisopenfrom10a.m.to5p.m.daily(exceptonThanksgiving,ChristmasandNewYear'sDay)

Admission

$4adults;$2students;childrenaged5andunderarefree.

Parking

Asmallnumberofmeteredparkingspacesareavailable（可供使用的）onthestreetsofOldSacramento.However,thesespacesarenotsuitableforguestsvisitinglongerthan90minutes.All-day