2016-2023年烟台文化旅游职业学院高职单招（英语／数学／语文）笔试历年参考题库含答案解析

2016-2023年烟台文化旅游职业学院高职单招（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.当圆锥的侧面积和底面积的比值是时，圆锥轴截面的顶角是（）

A.45o

B.60o

C.90o

D.120o

2.设函数f（x）在（-∞，+∞）上有定义，则下列函数中必为偶函数的是（）

A.y=｜f（x）｜

B.y=-｜f（x）｜

C.y=xf（x）

D.y=f（x）+f（-x）

3.a,b是实数，a≠b，且ab≠0，方程bχ2+ay2=ab及y=aχ+b行表示的曲线只能是()

A.见图A

B.见图B

C.见图C

D.见图D

4.已知点A（1，3），B（3，－5），则线段AB的垂直平分线的方程是（）

A.见图A

B.见图B

C.见图C

D.见图D

5.已知平面α、β、γ两两垂直，它们三条交线的公共点为O，过O引一条射线OP，若OP与三条交线中的两条所成的角都是60°，则OP与第三条交线所成的角为（）

A.30°

B.45°

C.60°

D.不确定

6.设函数f（x+2）=2x-2-5，则f（4）=（）

A.-5

B.-4

C.3

D.1

7.函数的定义域是()

A.[-2，2]

B.[-2，2)

C.(-2，2]

D.(-2，2)

8.函数y＝2sin6x的最小正周期为（）

A.见图A

B.见图B

C.见图C

D.见图D

9.过点P(2，-3)且在两坐标轴上截距相等的直线方程是()

A.χ+y+1=0或3χ+2y=0

B.χ-y-1=0或3χ+2y=0

C.χ+y-1=0或3χ+2y=0

D.χ-y+1=0或3χ+2y=0

10.设甲：△>0，乙：ax2+bx+C=0有两个不相等的实数根。则（）

A.甲是乙的必要条件,但不是充分条件

B.甲是乙的充分条件，但不是必要条件

C.甲是乙的充分必要条件

D.甲不是乙的充分条件，也不是必要条件

11.若1名女生和3名男生排成一排，则该女生不在两端的不同排法共有（）

A.24种

B.12种

C.16种

D.8种

12.把点A(-2，3)平移向量a=(1，-2)。则对应点A’的坐标为()

A.(-1，1)

B.(1，-1)

C.(-1，-1)

D.(1，1)

13.将一颗骰子抛掷1次，则得到的点数为偶数的概率为（）

A.见图A

B.见图B

C.见图C

D.见图D

14.函数y=2χ的图像与函数χ=log2y的图像()

A.关于χ轴对称

B.关于y轴对称

C.关于直线y=χ对称

D.是同一条曲线

15.设集合M＝(x||x|＜2}，N＝(x||x－1|＞2}，则集合M∩N＝（）

A.{x|x＜－2或x＞3}

B.{x|－2<x<－1}

C.{x|－2<x＜3}

D.{x|x＜－2或x＞2}

二.数学问答题(共3题)1.在△ABC中，AB＝2，BC＝3，B＝60°，BD为AC边上的高．求AC，BD．

2.建筑一个容积为8000m3，深为6m的长方体蓄水池，池壁每m2的造价为15元，池底每m2的造价为30元．

(Ⅰ)把总造价y(元)表示为长x(m)的函数；

(Ⅱ)求函数的定义域．

3.顶点在原点、焦点在χ轴上且通径(过焦点和对称轴垂直的弦)长为6的抛物线方程为_____．

三.英语单项选择题(共25题)1.Recently,morethan2,000highschoolteachershavebeenaskedabouttheeffectoftheInternetontheirstudents.TeacherssaytheInternethashadagoodinfluence（影响）andanot-so-goodinfluenceonthisgeneration.

ThreequartersoftheteacherssaytheInternetandsearchtoolshavehadagreateffectontheirstudents'researchhabitsandskills.But87percentagreethatthisyounggenerationdon'tknowabouthardworkandcan'tstayattentive（注意力集中的）forlong.And64percentsaytheInternetdoesmoretodistract（使分心）studentsthantohelpthemintheirstudies.Manystudentsthink"doingresearch"justmeansdoingaquicksearchonGoogle.

Accordingtotheteachers,oneproblemisthatstudentstrusttoomuchoftheinformationontheInternet.Thesestudentshavenotdevelopedskillstojudgethequalityoftheinformation.It'ssomethingthatreallyhastobetaughtandpaidattentionto.It'slikeeverythingelse.Inaworldwherethingscanhappenquickly,youreallyneedtohaveawaytostepback,thinkandmakejudgmentabouttheinformationyouhave.Andteacherscandoalottoteachthat.

Anotherproblemisthatbeingabletoquicklyfindinformationkeepsthestudentsfromworkinghard.Theybecomedependentonsearchtoolsanddonotmakeenoughuseofprintedbooks.ManyteachersarealsoafraidthattheInternetmakesiteasyforstudentstocopyworkdonebyothers.

Whatwillhappenwhenstudentsdependtoomuchonsearchtools?（）

A.Theirstudieswillbegreatlyimprove

B.Theywon'tmakegooduseofbooks

C.Theirattentiontothingswilllastlonger

D.Theywon'tcopyworkdonebyothers

2.SometimesIfeelthatbeingthemotherofthreesmallchildrenislikeoperatingalargecircus(马戏团).（21）afternoonlastweek,mythreesonsplayingpeacefullyinthebackyard(院子),（22）theballfromonetoanother.Ijumpedatthechancetotalktooneofmyfriends（23）thephone,butbeforeI（24）tothephone,Icouldtelltheboyshadbeguntoquarrelwitheachotheraboutsomething.Irushedoutto（25）peace,butbeforeIgotthereCharleshad（26）arockatMark,andhithimintheeye.BythetimeIgottothebackyard,theyhadbegunto（27）aboutthis.EvenDavid,theoldestboy,whowon′tusuallyfightwithanybodyabout（28）,wasinvolved(卷入,).First,I（29）themstopfighting,andthenIexaminedMark′seye.Idecidedthatitwasn′tgoingtodevelopintoablackeye,butIfeltthattheyshould（30）atleastalittlefor（31）theyhaddone"I′mgoingto（32）toyourfatheraboutthiswhenhecomeshomefortomglat,said."HeandIwillthinkofhowtopunishyou."Thingswere（33）quietafterthatabouthalfanhour,andthenCharles（34）aglassinthekitchen,andatalmostthesame（35）,Markfelloutoftheappletree.

第（32）题选

A.tell

B.speak

C.report

D.inform

3.Sendmyregardstoyourwifewhenyou_______home．

A.wrote

B.willwrite

C.havewritten

D.write

4.Thesechildrenhaveanadvantage_______thoseincalculation.

A.over

B.than

C.to

D.with

5."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（32）题答案

A.surprise

B.puzzle

C.story

D.joke

6.Thekeyboardofatypewriterreferstothesetofkeysinit.Mosttypewritershave"qwerty"key-boards.Thenamecronesfromthefirstsixlettersontheboard′ssecondline.The"qwerty"boardwas?setupbyC.L.Sholes,whowasthefirstmantomakeareallygoodtypewriter.

Someletters,suchasSandT,areusedtogetheragreatdealinEnglish.Sholesplacedsuch?pairsofletterfarapartonhiskeyboard.Thismadeitharderfortypiststolearnthekeyboard.Butit?helpedkeeptypewritersfromjamming.Onearlymachinesthebarsholdingthelettersoftencaughton?eachotherwhenmovingquickly.

Sholesmadethenameofhismachineeasytotype.lieplacedonthesamelineallthelettersof?theword"type"and"writer".

The"qwerty"boardisnamedforthe__________.

A.manwhosetitup

B.companythatsoldit

C.orderofsixofitsletters

D.lettersusedthemostinEnglish

7.（）Whenwesawhisface，weknew_______wasbad.

A.thenews

B.somenews

C.anews

D.news

8.Theauthormentionsfood,toolsandpreciousmetalsandstonestogetherbecausetheyareall________.

A.usefulitems

B.articlesofvalue

C.difficultthingstoobtain

D.materialobjects

9.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。

Manypeoplegotoschoolforanedueation.21learnlanguages,history,geography,physics,chemistryandmaths.Othersgotoschooltolearnaskillsothattheycan22aliving.School23isveryimportantanduseful.Yetnoonecanlearneverythingfromschool.Ateacher,nomatterhowmuchhe24,cannotteachhisstudentseverythingthey25toknow.Theteacher'sjobistoshowhisstudentshowtoreadandhowto26.Somuchmoreistobelearned27schoolbythestudentsthemselves.

Itisalwaysmoreimportanttoknowhowtostudyby28thantomemorize（熟记）somefactsorformula（公式）.Itis29quiteeasytolearna30factinhistoryoraformulainmathematics.Butitisverydifficulttouseaformulain31outamathsproblem.Greatscientists,suchasEinstein,NewtonandGalileo,didn'tlearnmanythingsfromschool.Buttheywereallso32thattheyinventedsomanythingsformankind.

The33fortheirsuccessisthattheyknewhowtostudy.Theyreadbooksthatwerenot34atschool.Theyworkedhardalltheirlives,wastingnotasinglemoment.Theywouldaskmanyquestionsastheyreadandtheydidthousandsof35.

____.

A.People

B.They

C.We

D.Students

10.KarenMaclnneshadspentninemonthsinthehospital.Asshegrewweaker,the16-year-oldgirlaskedherparents,"AmIgoingtodie?"

HermothertoldKarenthetruth.Afterlearningthebadnews,allKarenwantedwastogohome.Herparentsdecidedtosatisfyherwish－nomatterthatmedicalfund（基金）,whichhadhelpedpayforKaren'shospitalization,wouldnotcoveranyofthefulltimemedicalcareshewouldneedathome.Whenshewascarriedthroughherfrontdoor,Karensmiledforthefirsttimeinmonths.

AfriendoftheMaclnnesfamily,SheilaPetersen,knewofthisandofferedtohelp.Shevolunteered（自愿）notonlytofindnurses,butalsotoraisemoneyforKaren'scare.MoneywasreceivedfromsomanypeoplethatSheilacreatedafund,"FriendsofKaren".

Afterleavingthehospital,Karenlivedfor11months."Andthosemonthswerehappyonesforher,"sayshermother,"thankstoSheila."

EvenafterKarendied,peoplekeptsendingmoney.Sheilaputitintothefund,triedtofindsomeoneelsewhoneededhelp.Bylastmonth,FriendsofKarenwashelping70families.

"Istillhavearelationshipwitheachfamily,"saysSheila."Wehavefourchildrenwhoareneardeathnow,andIwanttobethereforthem."Sheilaadmits（承认）theworkissometimesdifficult,butsays,"thesmileonachild'sfacemakesitallworthwhile（值得的）."

Karenlivedfor____sinceshehadgotoutofthehospital.

A.elevenmonths

B.ninemonths

C.twentymonths

D.twelvemonths

11.阅读下列短文，然后根据短文的內容從每小题的四个选项中选出可填入相应空白处的最佳选择，并把它前面的大写字母填入左边括号里。

A

GrandmaMosesisamongthemostfamoustwentieth-centurypaintersoftheUnitedStates，yetshehadonlyjustbegunpaintinginherlateseventies．Assheoncesaidofherself：“Iwouldneversitbackinarocking-chair，waitingforsomeonetohelpme．”

ShewasbornonafarminNewYorkState．Attwelveshelefthomeandwasinaserviceuntilattwenty-seven，shemarriedThomasMoses，thetenantofhers．Theyfarmedmostoftheirlives．Shehadtenchildren，ofwhomfivesurvived；herhusbanddiedin1928．

GrandmaMosespaintedalittleasachildandmadeembroiderypicturesasahobby，butonlychangedtooilsinoldagebecauseherhandshadbecometoostifftosewandshewantedtokeepbusyandpassthetime．Herpictureswerefirstsoldatanexhibition，andweresoonnoticedbyabusinessmanwhoboughteverythingshepainteD．ThreeofthepictureswereshownintheMuseumofModernArt，andin1940shehadherfirstexhibitioninNewYork．Betweenthe1930‘sandherdeathsheproducedsome2，000pictures：carefulandlivelypicturesofthecountrylifeshehadknown，withawonderfulsenseofcolorandform．

FromGrandmaMoses‘swordsofherselfinthefirstparagraph，itcanbeinferredthatshewas_______．

A.independent

B.pretty

C.rich

D.alone

12."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28题答案是

A.brokeaway

B.wentout

C.brokeup

D.turnedout

13.Thispassageprovidesuswith_______.

A.apieceofscientificinformation

B.anormallesson

C.aninterestingtest

D.apieceofnews

14.In2008,theUnitedStatesDepartmentofAgriculture(USDA)wantedtoknowifalltheschoollunchesservedtostudentswerehealthy.Theanswerwasabig,fatNO!

TheUSDAfoundthatmostAmericanschoolsservedluncheswithtoomuchfatandsalt.Theyalsofoundthatmostofthefruitsandvegetablesinthelunchescamefromcans(罐头).Cannedfruitsandvegetablesarenotasgoodasfreshones.

TheUSDAgivesschoolsfoodandmoneytomakelunches.Butschoolsmakeuptheirownmenus.Somemakehealthylunches.Mostdonot.NowtheUSDAwantsallschoolstoservemorehealthylunches.TheywantschoolstofollowtheUSDA'sguidelinesforbalanced(均衡)meals.

MikeSanders,inchargeoftheUSDAin2008,saidtheUSDAshouldteachschoolworkershowtomakehealthierlunches."Agoodschoollunchisjustasimportantasagoodtextbook,"Sanderssaid.Hesaidthatchildrenalsoneedtolearnabouthealthyfoods.

TheUSDAisworkingoffanewprogram--FreshStart.Itwillgiveschoolsmorefreshfruitsandvegetables.FreshStartwillalsohelpschoolschangetheirlunchestomakethemhealthier.

Tofindthebestwaytochangelunches,theUSI)Aheldmeetingswithparents,schoolleaders,doctors,andcooks.

ChildrenalreadyeathealthylunchesatChiefJosephSchoolinNorthSaratoga,Oregon.Theyhavewhole-wheatbreadwithlow-fatcheese,andlow-fatmilk.

WhatdidtheUSDAfindaboutlunchesinmostAmericanschoolsin2008?

A.Theycontainedtoomuchfatandsalt

B.Theyweremostlyfruitsandvegetables

C.Mostofthemwerehealthy

D.Mostofthemwerecannedfood

15.InthedrawingandcartoonsofUncleSam________.

A.heworethestarsandstripes

B.theneverhadabeard

C.hehadnohair

D.heworeabowtie

16.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。

Athousandyearsago,HongKongwascoveredbyathickforest.Asmoreandmorepeoplecameto21inHongKong,thesetreeswerecutdownandburnt.Nowthereis22forestleft,thoughtherearestillsomesmallareascoveredwithtrees.Wecallthesewoods.

Elephants,tigersandmany23animalswerelivinginthethickforest.WhenpeoplecametoliveinHongKong,the24begantodieout.Earlyfarmersgrewriceand25pigsandchickensinthevalleys.Theycutdownthetreesandburntthem.Theyneeded26tokeepthemselveswarminwinter,tocooktheirfoodandtokeepawaythedangerousanimals.Elephantsquicklydisappearedbecausetherewasnotenoughfoodforthem.27didmostofthewolvesandtigers.Monkeysandmanyotheranimalssoon28inthesameway.

YoumightthinkthattherearenolongeranyanimalsinHongKong29inthezoos.Therearestillabout36differentanimals30there.OneofthemostinterestingofHongKong’sanimalsisthebarkingdeer.Thesearebeautifullittleanimals31arichbrowncoatandawhitepatchunderthetail.Theylooklikedeer32buttheyaremuchlikeadog33.InHongKongthebarkingdeerhasonlyarealenemy－34.Peoplehunttheselittleanimalsthoughitisillegal.Therearenownotmanybarkingdeerleft.Soitisimportant35peopletoprotectwildanimals.

____.

A.grew

B.made

C.got

D.kept

17.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.

Whichlanguagehasthelargestpopulationofnativespeakers?（）

A.French

B.English

C.German

D.Chinese

18.Weshouldrespectfoodandthinkaboutthepeoplewhodon′thave__________wehavehereandtreatfoodnicely.

A.that

B.which

C.what

D.whether

19.____therelikethat,youremindmeofyourfather.（）

A.Tosit

B.Beingsitting

C.Sitting

D.Sit

20.根据下面资料，回答43-46题

Aworldlikenoother—perhapsthisisthebestwaytodescribetheworldoftherainforest.Norainforestisthesame—yetmostrainforestscanbefoundinthesmalllandarea22.5degreesnorthand22.5degreessouthoftheEquator(赤道).YoucanfindrainforestsinSouthAmericaandIndo-nesia.OtherrainforestsexistfurtherfromtheEquator,inThailandandSriLanka.

Rainforestshaveagreatroletoplayinsupportingtheworld.Theyarehometoarichvarietyofplants,birdsandanimals.Canyoubelievethat480varietiesoftreesmaybefoundinjustonehec-tare(公顷)ofrainforestTheseforestshavearound50%ofalltheplants,birdsandanimalsonEarth.

Rainforestshavetheirownperfectwayforliving.Thetalltreesmakeahugeumbrellaofbran-ehesandleaveswhichprotectthemselves,smallerplants,andtheforestanimalsfromheavyrain,dryheatfromthesunandstrongwinds.Rainforesttreesgrowinsuchawaythattheirleavesandbranches,althoughclosetogether,neveractuallytouchthoseofanothertree.Scientiststhinkthisisawaytopreventthespreadofanytreediseasesandmakelifemoredifficultforleaf-eatinginsects(昆虫).Toliveintheforest,animalsmustclimb,jump,orflyacrossthebranchesandtrees.Thegroundflooroftheforestisnotallleavesandbushes,likeinfilms,butisactuallyfairlyclear.Itiswhereleavesbecomefoodforthetreesandotherforestlife.

Rainforestsaroundtheworldaredisappearingatahighspeed.Afewthousandyearsago,rain-forestscoveredasmuchas12%ofthelandsurfaceonEarth,buttodaythishasfallentolessthan5.3%.Wehopethattheworldgovernmentsworktogetherwithscientiststousetheirpowerandknowledgetokeeptherainforestsforourexistence.

Whatcanbeseeninarainforestaccordingtothetext

A.Leavesandbranchesofatreeneveractuallytouchthoseoftheothertrees

B.Treediseasesmakelifemoredifficultforleaf-eatinginsects

C.Talltreesprotectthemselvesfromforestanimalswiththeirbranches

D.Thegroundfloorisallcoveredbyleavesandbranches

21.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

22.Cananimalsbemadetoworkforus?Somescientiststhinkthatonedayanimalsmaybetrained?todoanumberofsimplejobsthatarenowdonebyhumanbeings.

Theypointoutthatatacircus,forexample,wemayseeelephants,monkeys,dogsandotherani-malsdoingquiteskillfulthings.Perhapsyouhaveseenthemonthetelevisionorinafilm.Ifyou?watchclosely,youmaynoticethatthetraineralwaysgivestheanimalapieceofcandyorapieceof?fruitasareward.Thescientistssaythatmanydifferentanimalsmaybetrainedtodoanumberof?simplejobsiftheyknowtheywillgetarewardfordoingthem.

Ofcourse,asweknow,dogscanbeusedtoguardahouse,andsoldiersinbotholdandmodern?timeshaveusedgeesetogivewarningbymakingalotofnoisewhenastrangeroranenemycomes?near.Butitmaybepossibletotrainanimalstoworkinfactories.InRussia,forexample,pigeons?whicharebirdswithgoodeyesight,arebeingnsedtowatchoutforfaultsinsmallsteelballsthatare?beingmadeinonefactory.Whenthepigeonseesaballwhichlooksdifferentfromothers,ittouchesa?steelplatewithitsbeak.Thisturnsonalighttowarnpeopleinthefactory.Atthesametimeafew?seedsaregivenasareward.Ittakesthreetofiveweekstotrainapigeontodothisandonepigeon?caninspect3,000to4,000ballsanhour.

ApeshavebeenusedinAmericainhelpingtomakecars,andscientistsbelievethattheselarge?monkeysmaybeonedaygathercropsandevendrivetrains.

Whatmadescientiststhinkanimalcanbemadetoworkforusoneday?

A.Animalsareveryskillfulatacircus

B.Theyarebigandstrong

C.Someanimalsareascleverashumanbeings

D.Animalscarlbetrainedbecausetheyliketogetsomethingasareward

23.通读下面的短文，掌握其大意。从每小题的四个选项中选出可填入相应空白处的最佳选择，并把它前面的大写字母填入左边括号里。

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.left

B.gone

C.taken

D.arrived

24.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可填入相应空白处的最佳选项。

Oneofthemostremarkablethingsaboutthehumanmindisourabilitytoimaginethefuture.Inourmindswecanseewhathasnotyethappened.Forexample,whilewearelookingforwardto21anewplaceorcountry,we22whatitwillbelike.Wepredict（预料）thewaypeoplewilleat,dressandact.Ofcourse,wedonotalwayspredictthings23.Thingsareoftenverydifferentfromthewaywe24themtobe.

Oneofthemost25dreamsinhistoryisthedreamoftheGermanscientist,Kekule,whohadbeen26toworkoutaverydifficultprobleminPhysics.Hehad27andanalyzed（分析）theproblemfromeveryangle（角度）fordays,butthereseemedtobenowayof28outheanswer.Thenonemightgotobedanddream.Whenhe29up,herealizedthatheknewtheanswer.Hehadsolvedtheprobleminhis30.

Thehypnotist（催眠者）satinthechairoppositehimandspoke31:Iwantyoutoconcentrateonmyvoice.Thinkabout32.Youknownothingbutmyvoice.Andasyoupayattentiontomyvoice,your33willgetheavier.Soonyou'llbeasleep.

Youwillhearmyvoiceandunderstandmywords,butyourbodywillbeasleep,becauseyoureyesaretooheavy.Youare34asleep,andwhenyouwakeupyouwillremembernothing.

Youwillforgeteverything.NowIamgoingto35slowlyfromonetofive.One,two,three,four,five.

____

A.softly

B.aloud

C.quickly

D.gently

25.Ahouseisthemostexpensivethingmostpeoplewilleverbuy.Veryfewpeoplehaveenoughmoneyoftheirowntobuyahome,so