2016-2023年黔南民族幼兒師范高等?？茖W(xué)校高職單招（英語／數(shù)學(xué)／語文）筆試歷年考點試題甄選合集含答案解析

2016-2023年黔南民族幼兒師范高等?？茖W(xué)校高職單招（英語／數(shù)學(xué)／語文）筆試歷年考點試題甄選合集含答案解析（圖片大小可任意調(diào)節(jié)）第1卷一.數(shù)學(xué)單項選擇題(共15題)1.在正方體ABCD-A1B1C1D1中，E，F(xiàn)分別為AD，D1D的中點，則直線EF與BD1所成角的正弦值是()

A.見圖A

B.見圖B

C.見圖C

D.見圖D

2.甲、乙兩人獨立的破譯一個密碼，設(shè)兩人能破譯的概率分別為P1，P2，則恰有一人能破譯的概率為

A.見圖A

B.見圖B

C.見圖C

D.見圖D

3.設(shè)log57＝m，log25＝n，則log27＝（）

A.見圖A

B.見圖B

C.見圖C

D.見圖D

4.函數(shù)的值域是（）

A.[-2，2]

B.[-1，3]

C.[-3，1]

D.[0，4]

5.設(shè)二次函數(shù)y=ax2+bx+c的圖像過點（-1,2）和（3,2），則其對稱軸的方程為

A.x=-1

B.x=3

C.x=2

D.x=1

6.展開式中，末3項的系數(shù)(a，χ均未知)之和為()

A.22

B.12

C.10

D.-lO

7.一個圓上有5個不同的點，以這5個點中任意3個為頂點的三角形共有（）

A.60個

B.15個

C.5個

D.10個

8.某學(xué)校為新生開設(shè)了4門選修課程，規(guī)定每位新生至少要選其中3門課程，則一位新生不同的選課方案共有

A.7種

B.4種

C.5種

D.6種

9.已知點A（－5，3），B（3，1），則線段AB中點的坐標(biāo)為（）

A.（4，－1）

B.（－4，1）

C.（－2，4）

D.（－1，2）

10.從2、3、5三個數(shù)中，任取兩個數(shù)，可組成()個真分?jǐn)?shù)．

A.2

B.3

C.4

D.5

11.若a

A.見圖A

B.見圖B

C.見圖C

D.見圖D

12.函數(shù)f(x)＝2sin(3x＋π)＋1的最大值為（）

A.－1

B.1

C.2

D.3

13.在等比數(shù)列｛an｝中，若a3a4=10，則a1a6+a2a5=（）

A.100

B.40

C.10

D.20

14.函數(shù)的最小正周期為（）

A.

B.π

C.2π

D.4π

15.設(shè)甲有兩個不相等的實數(shù)根，則()

A.甲是乙的必要條件，但不是充分條件

B.甲是乙的充分條件，但不是必要條件

C.甲是乙的充分必要條件

D.甲不是乙的充分條件，也不是必要條件

二.數(shù)學(xué)問答題(共3題)1.從一個正方體中截去四個三棱錐，得一正三棱錐ABCD，正三棱錐的體積是正方體體積的．

2.從橢圓上χ2+2y2=2的右焦點引一條傾斜45o的直線，以這條直線與橢圓的兩個交點P、Q及橢圓中心。為頂點，組成△OPQ．

(I)求AOPQ的周長；

(Ⅱ)求AOPQ的面積．

3.從某公司生產(chǎn)的安全帶中隨機(jī)抽取10條進(jìn)行斷力測試，測試結(jié)果（單位：kg）如下：3722、3872、4004、4012、3972、3778、4022、4006、3986、4026則該樣本的樣本方差為___________kg2（精確到0．1）．

三.英語單項選擇題(共25題)1.請選出下面劃線部分讀音不同的選項

A.contin[ue]

B.tr[ue]

C.d[ue]

D.val[ue]

2.材料題

C

Willitmatterifyoudon’ttakeyourbreakfastRecentlyatestwasgivenintheUnitedStates．Thosetestedincludedpeopleofdifferentages,from12to83．Duringtheexperiment,thesepeopleweregivenallkindsofbreakfastsandsometimestheygotnobreakfastatall．Specialtestsweresetuptoseehowwelltheirbodiesworkedwhentheyhadeatenacertainkindofbreakfast．Theresultssowthatifapersoneatsaproperbreakfast,heorshewillworkwithbettereffect(影響)thanifheorshehasnobreakfast．Thisfactappearstobeespeciallytrueifapersonworkswithhisbrains．Ifastudenteatsfruit,eggs,breadandmilkbeforegoingtoschool,hewilllearnmorequicklyandlistenwithmoreattentioninclass．Contraryto(與……相反)whatmanypeoplebelieve,ifyoudon’teatbreakfast,youwillnotloseweight．Thisisbecausepeoplebecomesohungryatnoonthattheyeattoomuchforlunch,andendupgainingweightinsteadoflosing．Youwillprobablylosemoreweightifyoureduce(減少)yourothermeals．

Whichofthefollowingisnottruetothepassage

A.Poorbreakfastsaffect(影響)thosewhoworkwithbrain

B.Morningdietmaycauseonetogetfatte

C.Reducinglunchandsupperisoflessvalueinweight-losin

D.Eatinglessinlunchandsuppermayhelptoloseweigh

3.HespokesoquicklythatIdidnot______whathesaid.

A.catch

B.accept

C.take

D.listen

4.通讀下面的短文，掌握其大意。然后，從每小題的四個選擇項中選出可填入相應(yīng)空白處的最佳選項。

EleanorRooseveltwasthewifeofAmerica’s32ndpresident,FranklinRoosevelt.Shehelpedherhusbandinmanywaysduringhislong21life.Shealsobecameoneofthemost22womeninAmerica.Shefoughtforequalrightsforallpeople.

EleanorwasborninNewYorkCityin1884.Herfamilyhadgreatwealth.ButEleanordidnothaveahappy23.Herparentsdiedwhenshewasveryyoung.Shewasraisedbyhergrandmother.Eleanor24thatasachild,hergreatesthappinesscamefromhelpingothers.

Intheearly1900s,manypeoplewereworriedabouttheproblemsof25peoplewhocametoAmericain26ofabetterlife.Eleanorcouldnot27howpeoplelivedinsuchpoorconditionswhilesheandsomeothershadsomuch28.

Aftershefinishedschool,Eleanorbegan29childrentoreadandwriteinoneofthepoorestareasofNewYorkCity.Shealsolookedinto30whereworkersweresaidtobebadly31.Shesawlittlechildrenoffourandfiveyearsoldworkinguntilthey32tothefloor.Shebecameinvolved（參與）withotherwomenwho33thesameideasaboutimprovingsocialconditions.

FranklinRooseveltbegan34EleanorwhenhewasinNewYork.Theygot35in1905.Inthenextelevenyears,theyhadsixchildren.TheRooseveltmovedtoWashingtonD.C.in1913.

____.

A.sank

B.run

C.jumped

D.dropped

5.Aroundtheworldmoreandmorepeoplearetakingpartindangeroussportsandactivities．Ofcourse，therehavealwaysbeenpeoplewhohavelookedforadventure--thosewhohaveclimbedthehighestmountains，explored（探險）unknownpartsoftheworldorsailedinsmallboatsacrossthegreatestoceans．Now，however，therearepeoplewhoseek（尋找）animmediatethrill（令人激動的事情）fromariskyactivitywhichmayonlylastafewminutesorevenseconds．

I?wouldconsiderbungee（蹦極）jumpingtobeagoodexampleofsuchanaetwity．Youjump?fromahighplace（perhapsabridgeorahotairballoon）200metresabovethegroundwithanelas-tic（彈性的）ropetiedtoyourankles．Youfallatupto150kilometresanhouruntiltheropestopsyoufromhittingtheground．Itisestimatedthat2millionpeoplearoundtheworldhavenowtriedbungeejumping．Otheractivitieswhichmostpeoplewouldsayareasriskyasbungeejumpinginvolve（包括）jumpingfromtallbuildingsanddivingintotheseafromthetopofhighcliffs．

Whydopeopletakepartinsuchactivitiesasthese?Somepsychologists（心理學(xué)家）suggestthatitisbecauselifeinmodernsocietieshasbecomesafeandborin9．Notverylongago，people’sliveswereconstantlyunderthreat．Theyhadtogooutandhuntforfood，diseasescouldnoteasilybecured，andlifewasacontinuousbattleforsurvival．

Nowadays，accordingtomanypeople，lifeofferslittleexcitement．Theyliveandworkin?comparativelysafeenvironments;theybuyfoodinshops;andtherearedoctorsandhospitalstolook?afterthemiftheybecomeill.Theanswerforsomeofthesepeopleistoseekdangerinactivitiessuch?asbungeejumping.

Asuitabletitleforthearticleis__________.

A.DangerousSports--WhatandWhy?

B.TheBoredomofModernLife

C.BungeeJumping--IsItReallyDangerous?

D.TheNeedforExcitement

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

"You′vegottokeeptrying.Tonightwillbe?21,dear.TryaturnwiththatprettyLisette."Johnny?22.EverySaturdaynightusedtobethebestoftheweek.Heandhisparentswenttothe?23?attheClub,wherehishero,Alcide,playedtheaccordion(手風(fēng)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(臉紅).Ashewalkedon,Pierre?35?movedoutofthewayforhimtopass.

Johnnypattedhisaccordion.Cometothinkofit,inhiswholelife,hehadneveronceseenAleideoutonthedancefloor.

第32題答案是

A.surprise

B.puzzle

C.story

D.joke

7.Youknowwhatahotelis,ofcourse.Andperhaps,youalsoknowwhatacondois－aresidential（居住的）buildingdividedintoseparateunitsthatareownedbydifferentpeople.WhatyoumaynotknowisthatinsomeU.S.cities,thetwohavecometogetherintosomethingcalleda"condohotel".

Somecondohotelscannowbefoundinbeachandmountaintownsandafewsmallcities.However,noneismorefamousthanthegreat105-year-oldPlazaHotelinNewYork,onFifthAvenueacrossfromCentralPark.ThePlazaclosedforrepairin2005.Whenitreopenedtwoyearslater,morethanhalfofithadbeenchangedintooneofthesemoderncondohotels.

Here'showitworks:Youbuywhatequalstoanapartment（公寓）.Ifit'satThePlaza,itwillcostyoubetween$1.5millionand$9million.Soyouownapartofthebuilding.Butthere'ssomeinconvenience.Youmaystaytherenomorethan120daysayear.Therestofthetime,thehotel'sworkerscanbookguestsintoyourplace,justastheywouldintheregularhotel'srooms.Soifyou'reluckyandrich,youcannowliveinreallyspecialquartersuptoalmostonethirdoftheyear,whileotherspayoffyourmortgage（房貸）therestoftheyear.

Sofar,agreatmanyofthenation'scondohotelunitshavebeenpurchasednotbyrichpeoplebutbyrichercompanies,includingforeignones.Theywantaniceplacefortheirbossestostaywhenthey'reintownorworkinglateattheoffice.

Acondoisaplacewherepeople____.（）

A.live

B.work

C.eat

D.study

8.Allthatcanbedone．

A.havebeendone

B.havedone

C.hasbeendone

D.hasdone

9.Somevillagersweregoingtocelebrateanimportantwinefestival（酒宴）inafewdays'time,sotheyborrowedahugebarrelfromthenearesttown,putitinthevillagesquare;anddecidedthateachofthemshouldemptyabottleofthebestwinehehadintoit,sothatthereshouldbeplentyatthefeast（宴會）.

Oneofthevillagersthoughthewouldbeveryclever."IfIpourabottleofwaterin,insteadofwine,noonewillnoticeit,"hesaidtohimself,"becausetherewillbesomuchexcellentwineinthebarrelthatthewaterwillbelostinit."

Thenightofthefeastarrived.Everybodygatheredinthevillagesquarewiththeirbowlsandtheirglassesforthewine.Thetap（塞子）onthebarrelwasopened,butwhatcameoutwaspurewater.Everyoneinthevillagehadthesameidea．

Whatisthehugebarrelusedfor?（）

A.Holdwater

B.Holdwine

C.Taketheplaceofwinebottle

D.Emptybottles

10.通讀下面的短文，掌握其大意。從每小題的四個選項中選出可填入相應(yīng)空白處的最佳選擇，并把它前面的大寫字母填入左邊括號里。

Mr．Joneswokeearlyonemorning，beforethesunhadrisen．Itwasabeautifulmorning，_21_hewenttothewindowandlookedout．Hewas_22_toseeaneatly-dressedandmid-agedprofessor，who_23_intheuniversityjustuptheroadfromMr．Jones‘house，comingthedirectionofthetown．Hehadgreyhairthickglasses，andwas_24anumbrella，amorningnewspaperandabag．Mr．Jonesthoughtthathemusthave_25_bythenighttrain_26_takingataxi．

Mr．Joneshadabigtreeinhisgarden，andthechildrenhadtiedalong_27_tooneofthebranches，sothattheycouldswingonit．

Mr．Jonessawtheprofessor_28_whenhesawtheropeandlookedcarefullyupanddowntheroaD．Whenhesawthattherewas_29_insight，hesteppedintothegarden（therewasnofence），puthisumbrella，newspaper，bagandhatnearlyonthegrassand_30_therope．Hepulledit_31_toseewhetheritwasstrongenoughtotakehisweight，thenranasfastashecouldandswungintothe_32_ontheendoftherope，hisgreyhairblowingallaround_33_．_34_heswung，sometimestakingafewmore_35_stepsonthegrasswhentheropebegantoswingtooslowlyforhim．

Atlasttheprofessorstopped，straightenedhistie，combedhishaircarefully，putonhishat，pickeduphisumbrella，newspaperandbag，andcontinuedonhiswaytotheuniversity，lookingasquietandcorrectandrespectableasonewouldexpectaprofessortobe．

（）

A.hard

B.high

C.heavily

D.greatly

11.通讀下面的短文，掌握其大意。然后，從每小題的四個選擇項中選出可填入相應(yīng)空白處的最佳選項。

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.enjoying

B.changing

C.improving

D.making

12.Springisbyfar___________timetovisittheisland.

A.thebetter

B.better

C.thebest

D.best

13.Theseaisverybi9．Lookatamapoftheworld．Thereislesslandthansea．Theseacoversthreequartersoftheworld．

Theseaisverydeepinsomeplaces．Thereisonespot，nearJapan，wheretheseaisnearly11kilonetresdeep．Thehighestmountainintheworldisabout9kilometreshigh．IfthatmountainwereDutintotheseaatthatplace，therewouldbe2kilometresofwateraboveit．

Ifyouhaveswuminthesea,youknowthatitissalty.Youcantastethesalt.Rivers,whichflowintothesea,carrysaltfromthelandintothesea.Somepartsoftheseaarelesssaltythanotherparts.Thereisonesea,calledtheDeadSea,whichisverysalty.Becauseitisverysalty,swimmerscannotsink!FishcannotliveintheDeadSea.

Inmostpartsofthesea,thereareplentyoffishesandplants.Somelivenearthetopofthesea.

Otherslivedeepdown.Therearealsomillionsoftinylivingthingsthatfloatinthesea.Thesefloatingthingsareverysmall.Itishardtoseethem.Manyfishlivebyeatingthem.

Theseacanbeverycold.Divers,whodivedeepdowninthesea,knowthis.Onthetopthewatermaybewarm.Whenthedivergoesdownwards,theseabecomescolderandcolder.

Anotherthinghappens.Whenthedivergoesdeeper,thewaterabovepressesdownonhim.Itsqueezeshim.Thenthediverhastowearclothesmadeofmetal.

Thedeeperdiversgoesdowninthesea,.

A.thewarmertheseabecomes

B.thecoldertheyfindtheseais

C.thelessthewaterabovepressesdown

D.theheaviertheirclothesmustbe

14.通讀下面的短文，掌握其大意。然后，從每小題的四個選項中選出最佳選項。

Ihavebeenhearing-impairedinmylifesinceIwasfiveyearsold.Puttingonhearingaidsinthemorninghasbeenjustas21asbrushingmyteeth.HoweverIneverbelievedthatitshouldlimitmy22inmyway.

Duringmy17yearsIhavemetmanypeoplewhodon’tknowabout23disabilitiesanddealwith24bystereotypingme.Myteacherwouldnotletmesitpastthesecondrowbecausethey25Iwouldnotbeabletohear.Peopletendtospeak26thannormalwhentheysee.mythickplastichearingaidsinmyears.However,myhearingdisabilityhasmademeastrongerperson.BecauseIwearheatingaidsIhavetoprovethatIamnot27ormentallylimited.Ihavetoworkharderandearntopgradesinschooltoearnthe28ofmyteachers.Inshorts,I'vehadtorunfaster,catchbetterandscoremorepointstoproveIamnotphysically29.

Idon'tfitinwithpeoplewhoaredeafand30asawaytocommunicate.Iconsidermyselfnodifferencefromanyoneelse.AndIamnot"halfdeaf"withmyhearingaids31;Icanhearjustaswellasanyoneelse.

InmystruggletoproveIam32tomynon-disabledIhavemademyselfbetterthantheaverageteenager.Iwontheall-star33onmysoftballteam.Ihavemademyselfa34throughmypublishedpoetryandarticles.

Insteadofgivingup,IhaveproventhatIcandoanythingIwant.ItrulybelieveIwouldnotbethe35personIamtodayifIdidnothaveahearingdisability.

____.

A.worried

B.proved

C.understood

D.realized

15.Oureatinghabitsareveryimportantforgoodhealthandastrongbody.Therearetimeswhen?mostofuswouldrathereatsweetsandice-creamthanmeatandrice.Sweetsandice-creamarenot?badifweeatthemattheendofameal.Ifweeatthembeforeameal,theymaytakeawayourappe-tite（食欲）~Itisimportantforustoeatourmealsatthesametimeeachday.Whenwefeelhungry,itisasignthatourbodyneedsfood.Whenwefeelangryorexcited,wemaynotwanttoeat.Alongtimeago,inEngland,somejudgesusedtodecidewhetheramanwastellingthetruthbygivinghimsomedrybread.Ifthemancouldnoteatthebread,itshowedthathewastellinglies.Althoughthisseemsverystrangeandratherfoolish,itisindeedaverygoodwayoffindingoutthefact.Amanwhoisworryingaboutsomethinghasdifficultyineatinganythingdry.Becauseheisworrying,heloseshisappetiteanddoesnotwanttoeat.

Itisgoodtoeatsweetsandice-cream__________.

A.whenwearehungry

B.whenwewantto

C.afterthemeal

D.beforethemeal

16.Jamesgotlostinthecity，__________hehadtoaskforhelp．

A.or

B.so

C.but

D.for

17.Thisisnotadiet（減肥食譜）orahard-exerciseprogram.Nobodycansticktothoseforlong.Instead,it’sasimplewaytomakeweightlossanaturalpartofthelifeyoualreadylive.Andguesswhat?It’sfun！Youdon’thavetogiveupthefoodsyouloveordoregularexercises.It’saboutbalancingcalories（平衡卡路里）intinywaysthatadduptobigbenefits.Youjustusesometricksthe“naturallythin”peopledo.Picktheonesyoulike,stickwiththem,andyou’llloseweightandbestrong！

TalkitUPEverytimeyoupickupthephone,standupandwalkaround.Heavypeoplesitonaveragetwoandahalfhoursmoreeverydaythanthinpeople,accordingtoastudy.

Getfacetime,weusee-mailsomuchthatwe’veforgottenwhatourcolleagueslooklike.Pickacolleagueortwowhositfarthestfromyou:anddeliver10ofthosedailymessagesinperson.Andgooutofyourway,gotoabathroomoracopymachineonanotherfloorandtakethestairs,ofcourse.

Thinkaboutyourdrinkconsiderbeerorwineinsteadofafrozendrink:Aglassofregularbeerhas140caloriesandaservingofwinehas126calories,whileastrawberrydaiquirihasabout300andamargarita340.

Reduceatotalof100calorieseachdayandyou’llbeabletoloseabout10poundsinayear.Thisisreallynotdifficulttodo.

Whichofthefollowingprobablyhasthemostcalories?（）

A.strawberrydaiquiri

B.regularbeer

C.margarita

D.wine

18.Eightyearsago,officialsinChicago,Illinois,decidedtoreplacetheblackroofonthecitygovernmentbuildingwithaplantedgarden.Theaimwastoreduceenergycosts,improveairqualityandcontroltherainwaterenteringthecity’swastesystem（系統(tǒng)）．Greenroofsalsohelpreduceaproblemcalledurbanheatislands（城市熱島現(xiàn)象）．Duringhotweather,thebuilding’srootcouldreachtemperaturesofupto76℃.Withthegarden,thetemperatureoftherootareawasreducedbyatleast30℃.Workersplantedover150kindsofplantsthatcouldstandbadweather.Nowtheareaiscooler,thebuildingrequireslessenergytokeepcool,andtherooflooksnice.Chicagoalsooffersmoneytohelppeoplepayforbuildingtheirowngreenroots.

Aboutfiveyearsago,officialsinThane,India,decidedtoreducethecity’sdependingonpowerfromcoal.Thecityoftenexperienceslackofpowerbecauseofthelargenumbersofpeopleusingelectricity.Officialsdecidedtosaveenergybyputtingwaterheaters（熱水器）poweredbythesunontopofthecity’smainhospital.Thehospitalsavedthousandsofdollarsinenergycostseachyear.Officialsthenbeganbuildingthiskindofwaterheateraroundthecity.

ChinahasannouncedplanstobuildacitycalledDongtan.Thecompanydesigningthecitysaysitwillproduceitsenergyfromthewind,sunandwaste.TheaimisforthecitytobeanexampletotherestofChina.

WhatdidtheofficialsinChicagodecidetodo?（）

A.Togrowplantsontheroofofthegovernmentbuilding

B.Tomakeuseoftherainwaterinthecity’swastesystem

C.Toimprovetheairqualityofthecitygreatly

D.Tobuildanothergovernmentbuilding

19.Whendidyoulastseeapolarbear?Onatriptoazoo,perhaps?IfyouhadattendedawinteractivityinNewYorkafewyearsago,youwouldhaveseenawholepolarbearclub.These"PolarBears"arepeoplewhomeetfrequentlyinwintertoswiminfreezingcoldwater.Thatday,theairtemperaturewas3℃,andthewatertemperaturewasabithigher.ThemembersofthePolarBearClubatConeyIsland,NewYorkareusuallyabouttheageof60.Membersmustsatisfytworequire-ments.First,theymustgetalongwellwitheveryoneelseinthegroup.Thisisveryimportantbecausetherearesomanydifferentkindsofpeopleintheclub.PolarBearsmustalsoagreetoswimoutdoorsatleasttwiceamonthfromNovemberthroughFebruary.

Doctorsdonotagreeaboutthemedicaleffectsofcold-waterswimming.Someareworriedaboutthedangersofaconditioninwhichthebody′stemperaturedropssolowthatfinallytheheartstops.

Otherdoctors,however,pointoutthatthereismoredangerofaheartattackduringsummerswimmingbecausethedifferencebetweentheairtemperatureandwatertemperatureismuchgreaterinsummerthaninwinter.

ThePolarBearsthemselvesaresatisfiedwiththebenefits(oradvantages)ofcold-waterswim-ming.Theysaythattheirfavoriteformofexerciseisverygoodforthecirculatorysystem(循環(huán)系統(tǒng))becauseitforcesthebloodtomovefasttokeepthebodywarm.Cold-waterswimmersusuallyturnbrightredafterafewminutesinthewater.Apersonwhoturnsblueprobablyhasaverypoorcircula-torysystemandshouldnottrycold-waterswimming.

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

Thepassageismainlyabout.

A.agroupofcold-water-swimminglovers

B.thePolarBears'lifeinNewYork

C.doctors'ideasaboutcold-waterswimming

D.therequirementsofthePolarBearClub

20.Progresssofarhasbeenverygood.,wearesurethattheprojectwillbecompletedontime.

A.However

B.Otherwise

C.Therefore

D.Besides

21.材料題

通讀正面的短文，掌握其大意。然后，從每小題的四個選擇項中選出可填入相應(yīng)空白處的最佳選擇。

AShelterfortheHomeless

LastsummerIwasavolunteer(志愿者)atashelterforthehomeless,aplaceforhomelesspeopletosleepatnight．Iwasn’tworkingthatsummerandwas21onlytwoclassesinsummerschool,soIhadsome22time．

Threenightsaweek,I23inthekitchenoftheshelteralongwithfourothervolunteers．Weplannedandcookedfor45peoplehotmeals24vegetables,chicken,fishandfruit．Thehomelesspeopleneededthisgoodfoodbecausemanyofthemusuallydidn’teatwell．

I25thisvolunteerwork,making26withthefourvolunteersinthekitchen．Onewasaveryniceelderlyhousewife,oneamovieactor,anotherayoungteacher,andtheotheracollegestudent,27me．

Italkedtoalotofthehomelesspeopleattheshelter．Theirlifestories28mewithsympathy(同情)．Someofthemhadproblemswithalcohol(酒精)ordrugswhileothersonlyhadbad29．Onewomanworkedforalmost30yearsforasmallcompany,andthenshelostherjob．Shelookedfora30job,butcouldn’tfindone,forshewastoo31．Shecoulddonothingbutsellherfurniture—sofas,chairs,andtables32shecouldpayforherfood．Thewomanluckonjobhunting,butshe33couldn’tfindone．Shehadnomoneyforher34andhadtosleepinhercar．Thenshehadtosellhercar．Alone,afraidand35,,shefinallycametotheshelter．

（）

A.also

B.still

C.almost

D.even

22.Everyhumanbeing,nomatterwhatheisdoing,givesoffbodyheat.Theusualproblemishowtodisposeofit.ButthedesignersoftheJohnstowncampusoftheUniversityofPittsburghsetthemselvestheoppositeproblem－h(huán)owtocollectbodyheat.Theyhavedesignedacollectionsystemwhichutilizesnotonlybodyheat,buttheheatgivenoffbysuchobjectsaslightbulbsandrefrigeratorsaswell.Thesystemworkssowellthatnoconventionalfuelisneededtomakethecampus'ssixbuildingscomfortable.

Somepartsofmostmodernbuildings－theatersandofficesaswellasclassroomsaremorethanamplyheatedbypeopleandlightsandsometimesmustbeair-conditionedeveninwinter.Thetechniqueofsavingheatandredistributingitiscalled“heatrecovery.”Afewmodernbuildingsrecoverheat,buttheUniversity'ssystemisthefirsttorecoverheatfromsomebuildingsandreuseitinothers.

Alongtheway,pithaslearnedagreatdealaboutsomeofitsheatproducers.Theharderastudentstudies,themoreheathisbodygivesoff.Malestudentsemitmoreheatthanfemalestudents,andthelargerastudent,themoreheattheproduces.ItistemptingtoconcludethatthehottestprospectfortheJohnstowncampuswouldbeahardworking,overweightmalegenius.

Thephrase“eveninwinter”（inline8）mostnearlymeans____.（）

A.ifthewinterisespecially

B.duringalloftheyearexceptthewinter

C.inthewinteraswellasinotherseasons

D.duringtheeveningsinthewinter

23.通讀下面的短文，掌握其大意。然后每小題的四個選項中選出可填入相應(yīng)空白處的最佳選項。

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.Sleepingpillsshouldneverbetakenexceptwhensuggested