2024年三峡电力职业学院高职单招（英语／数学／语文）笔试历年参考题库含答案解析

2024年三峡电力职业学院高职单招（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I卷一.数学单项选择题(共15题)1.在定义域内下列函数中为增函数的是（）

A.f(x)＝2－x

B.f(x)＝－log2x

C.f(x)＝x3

D.f(x)＝x2＋1

2.设命题甲：k＝1，命题乙：直线y＝kx与直线y＝x＋1平行，则（）

A.甲是乙的必要条件但不是乙的充分条件

B.甲是乙的充分条件但不是乙的必要条件

C.甲既不是乙的充分条件也不是乙的必要条件

D.甲是乙的充分必要条件

3.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

4.从6本不同的文学书和4本不同的科技书中，任意取出3本，则取到3本同类书的概率为（）

A.见图A

B.见图B

C.见图C

D.见图D

5.二次函数y＝2x2＋mx－5在区间(－∞，－1)内是减函数，在区间(－1，＋∞)内是增函数，则m的值是（）

A.4

B.－4

C.2

D.－2

6.长方体三条棱长分别为1，2，3，则该长方体的对角线的长为（）

A.见图A

B.见图B

C.见图C

D.见图D

7.设log57＝m，log25＝n，则log27＝（）

A.见图A

B.见图B

C.见图C

D.见图D

8.已知三角形三边之比为5:7:8，则最大角与最小角的和为（）

A.135°

B.120°

C.90°

D.150°

9.在等差数列{an}中，a1=1，公差d≠0，a2，a3，a6成等比数列，则d=（）

A.1

B.-1

C.-2

D.2

10.已知函数f（x）＝ax2＋bx＋3a＋b是偶函数，且其定义域为[a－1，2a]，则（）

A.见图A

B.见图B

C.见图C

D.见图D

11.(a＋2b)n展开式中，若第3项的二项式系数是105，则n＝（）

A.14

B.15

C.16

D.17

12.一个圆上有5个不同的点，以这5个点中任意3个为顶点的三角形共有（）

A.60个

B.15个

C.5个

D.10个

13.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

14.在△ABC中，若则△ABC必是()

A.直角三角形

B.等腰三角形

C.等边三角形

D.钝角三角形

15.已知平面向量a=（1，t），b=（-1，2），若a+b行于向量（-2，1），则（）

A.2t-3m+1=0

B.2t+3m+1=0

C.2t-3m-1=0

D.2t+3m-1=0

二.数学问答题(共3题)1.知三棱锥P-ABC的三条侧棱PA，PB，PC两两相互垂直，且三个侧面的面积分别为S1，S２，S３，则这个三棱锥的体积为______．

2.正三棱柱ABC—A/B/C/，底面边长为a，侧棱长为h．

(I)求点A到△A/BC所在平面的距离d；

(Ⅱ)在满足d=1的上述正三棱柱中，求侧面积的最小值．

3.

（1）求C的标准方程；

（2）若P为C上一点，｜PF1｜-｜PF2｜=2，求cos∠F1PF2．

三.英语单项选择题(共25题)1.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."

Thepassageismainlyabout

A.agroupofcold-water-swimminglovers

B.thePolarBears'lifeinNewYork

C.doctors'ideasaboutcold-waterswimming

D.therequirementsofthePolarBearClub

2.We’veallheardofThomasEdison,_______whoinventedtheelectriclightandmanyothe

A.man

B.aman

C.theman

D.men

3.Studentparticipation(参与)intheclassroomisnotonlyacceptedbutalsoexpectedofthestudentinmanycourses．Someprofessorsbasepartofthefinalgradeonthestudent'soralparticipation．Althoughthereareformallecturesduringwhichthestudenthasapassiverole(i．e．,listeningandtakingnotes),

manycoursesareorganizedaroundclassroomdiscussions,studentquestions,andinformallectures．Ingraduatediscussionstheprofessorhasa"manager"roleandthestudentsmakepresentationsandleaddiscussions．Thestudentsdotheactualteachinginthesediscussions．

Aprofessor'steachingmethodisanotherfactor(因素)thatdeterminesthedegreeandtypeofstudentparticipation．Someprofessorsprefertocontroldiscussionwhileothersprefertoguidetheclasswithoutcontrollingit．Manyprofessorsencouragestudentstoquestiontheirideas．Studentswhoobjecttotheprofessor'spointofviewshouldbepreparedtoprovetheirpositions．

Intheteachingofscienceandmathematics,thecontrollingmodeofinstructionisgenerallytraditional,withteacherspresentingformallecturesandstudentstakingnotes．However,neweducationaltrendshaveturnedupinthehumanitiesandsocialsciencesinthepasttwentyyears．Studentsineducation,society,andhistoryclasses,forexample,areoftenrequiredtosolveproblemsingroups,design

projects,makepresentations,andexaminecasestudies．Sincesomecollegeoruniversitycoursesare"practical"ratherthantheoretical,theypaymoreattentionto"doing"forthemselves．

Fromthepassageweknowthateducationinthehumanitiesandsociety_______．

A.hasnotchangedmuch

B.payattentiontostudents'studyinginsteadofteachers'teaching

C.ismuchmoreimportantthanthatofscienceandmathematics

D.hasbecomemorepracticalthantheoretical

4.根据下面资料，回答36-38题

WhenIwasatschool,ourteachertoldtheclass"Youarewhatyoueat."MyfriendsandIwouldlaughandcalleachother"hamburger"(汉堡)and"biscuits".Ourteacherwastryingtoshowustheimportanceofeatingtherightfoodtostayhealthy.

Thiswas30yearsagowhentherewerebigmovementstomakeBritishpeoplehealthier.WestartedtoeatboiledpotatoesinsteadofFrenchfriesanddrinkfat-freemilkinsteadofwholemilk.AtfirstIfeltmypotatoeshadnotasteatall.ButafterawhileIstartedtopreferhealthierfoodbecauseIfeltstrongerandIdidn′tgetsicksooften.

Soweagreethatyoubecomewhatyoueat.DoyouknowwhatyourfriendseatjustbylookingatthemWhenyouknowtheeffectsofdifferenttypesoffood,youcanuseyourknowledgewellandeatwhatyouwanttobecome.

Foodhasbeensoimportanttoourhealth.Everyonehastheirownadvicetogive,whichtheyhavereadaboutorhavebeentoldbyolderpeople.However,someofthesepiecesofadviceseemtodisagreewitheachother.Forexample,somesay"Eatingchocolatemakesyoufat,"whileotherssay"Chocolatecontainstheimportantminerals(矿物质)likeironandmagnesium(镁)."Infact,whatweneedtofindoutiswhattypeofchocolatetoeatandhowmuchofittoeat.

Whichofthefollowingdoestheauthorprobablylikenow

A.Boiledpotatoes

B.Friedchicken

C.Frenchfries

D.Wholemilk

5.阅读下列短文，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。

Mr.Joneswokeupearlyonemorning,beforethesunhadrisen.Itwasabeautifulmorning,21hewenttothewindowandlookedout.Hewas22toseeaneatly-dressedandmid-agedprofessor,who23intheuniversityjustuptheroadfromMr.Jones'house,comingthedirectionofthetown.Hehadgreyhair,thickglasses,andwas24anumbrella,amorningnewspaperandabag.Mr.Jonesthoughtthathemusthave25bythenighttrain26takingataxi.

Mr.Joneshadabigtreeinhisgarden,andthechildrenhadtiedalongropetooneofthebranches,sothattheycouldswingonit.

Mr.Jonessawtheprofessor27whenhesawtheropeandlookedcarefullyupanddowntheroad．Whenhesawthattherewas28insight,hesteppedintothegarden(therewasnofence),puthisumbrella,newspaper,bagandhatnearlyonthegrassand29therope.Hepulledit30toseewhetheritwasstrongenoughtotakehisweight,thenranasfastashecouldandswungintothe31ontheendoftherope,hisgreyhairblowingallaroundhisface.32heswung,sometimestakingafewmore33stepsonthegrasswhentheropebegantoswingtooslowlyforhim.

34theprofessorstopped,straightenedhistie,combedhishaircarefully,putonhishat,35hisumbrella,newspaper,bag,andcontinuedonhiswaytotheuniversity,lookingasquietandcorrectandrespectableasonewouldexpectaprofessortobe.

（）

A.when

B.however

C.so

D.but

6.AsaboyIdreamedofflyingairplanes.21ItoldDadIwantedtobeapilot,hesaid,"Youneedtodoyourjobwellonthefarmfirst,and22youmayrealizeyourdream."Thefarmwasaneverydayresponsibility（职责）－that23Saturday,SundayandChristmastoo.EverymorningIgotupatfouro'clocktomilkand24thecows.Afterthemilkwasbottled,myolderbrothersandI25ittopeople'shomes.Iwaspaidfivecentsabottle.AtthattimeI26thattobesuccessfulyouhavetotakecareofyourresponsibilities.

WhenIwas16,Isignedupforflyinglessons.TopayforthelessonsI27asmallrestaurantwithsomefriends.Oneofourregular28wasthepresidentoftheFarmersBank.Every29Igot,ltalkedtohimaboutmydream.OnedayItoldhimI30$3,500tobuymyown31.HelentmethemoneysothatIcouldflypeoplewithin150milesoftheairport.

TwelveyearslaterIwasflyingpeoplearoundtheworld32apilotofabigairlinecompany.AftertenyearsinthecompanyIstartedmyown33.

TodayIrunabillion-dollarcompany,butitwasonthefarmthatIlearnedtheprinciples（原则）thathave34me.Hardworkanddeterminationdo35dreamscometrue.

____.

A.reminded

B.guided

C.excited

D.pressed

7.Catsarecreaturesofhabit.Theyliketogotosleepaboutthesametimeeverydayandforacertainlengthoftime.Theyseemtohaveanaturalclockinsidethemthattellsthemwhentosleep.

Catsincreasetheirregularsleepwithoccasionalcatnaps（打盹）.Someexpertsfeelthathumanscouldalsobenefitfromthishabit.Catnapshelptobuildupenergyinthebody.Theyarealsoagoodwaytogetridoftrouble!Sincecatshavethesamemoods（情绪）ashumans,someexpertsbehavethatpeoplecanimprovetheirmoods.Peoplemightbecomehappier.

Anumberoffamouspeoplehavecopiedcatsbytakingcatnapsduringtheday.Thenapswouldusuallylastfrom15to30minutes.

WinstonChurchilltookcatnaps.SodidPresidentsHarryTruman,JohnF.KennedyandLyndonB.Johnson.Thesefamousmenwereknownfortheirenergy.Theywerealsoabletoworklonghours,oftenintothenight.Nappingwastheirsecret.

Perhapsmorepeoplelearnfromcatsandtakenapstofeelbetterandlivelonger!

Napsusuallylast__________.

A.threehours

B.lessthanhalfanhour

C.forty-fiveminutes

D.fifty-fiveminutes

8.Allbutthetiniestofroadshavetohavenamessotheycanberecognizedonamap,andsopeoplecanask?directionstothem.Americansnamealotofbridges,too.

VeryoftenthesenamescarryacleargeographicalreferencethePennsylvaniaTurnpike,forexample.Or,like?theGeorgeWashingtonBridge,roadsandbridgesarenamedforfamoushistoricalfiguresorpowerfulofficers.

Wemakeabigdealoutofnamingthings,aswhensomeonedecidedtonameanairportafteraU.S.judge.So?nowwehavetheBaltimoreWashingtonInternationalThurgoodMarshallAirport.

Many,ifnotmost,ofourcollegebuildingsarenamedforwealthypeoplewhogavealotofmoneytothe?schools.Andoursportscenterstookthisideaastepfurther.Companiespaidawholelotofmoneyforwhat′scalled?the"namingrights"toU.S.CellularFieldinChicago,forexample,andCitizensBankParkinPhiladelphia.

Nowthegovernor（州长）ofVirginia,BobMcDonnell,wantstosellnamingrightstoroadsandbridgesinthestate.Hesaysnotjustcompanies,butalsowealthypeople,wouldhelptheVirginiatransportationbudget（预算）bypayingtohavetheirnames--orperhapsthoseoflovedones--placedonroadsandbridges,andthusonmapsaswell.

Peopleholddifferentviews,however.SupporterssayAmericansareusedtohavingthingssponsored（赞助）.

Othersdisagree,consideringtheideaasthenextstepinthe"companiesofAmerica."Theywonderhowfarsuchan?ideamightspread,andwhereitwouldend:attheBurgerKingPacificOcean,perhaps.

Mostoftheroadsneedtohavenamessothat__________.

A.theycanremindpeopleofthepast

B.peoplecanlearnaboutthembetter

C.theycanbeeasilyrecognizedonmaps

D.peoplecanenjoynamingthem

9.Theyhaveproduced_______theydidlastyear．

A.twiceasmuchgrainas

B.twicemoregrainas

C.twiceasmanygrainas

D.astwicemanygrainas

10.WhenyouintroducemetoMr.Johnson,couldyoupleasesayforme?

A.everything

B.anything

C.something

D.nothing

11.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。

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

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

Intheearly1900s,manypeoplewereworriedabouttheproblemsof25peoplewhocametoAmericain26ofabetterlife.Eleanorcouldnot27howpeoplelivedinsuchpoorconditionswhilesheandsomeothershadsomuch28.

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

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

____.

A.job

B.childhood

C.future

D.dream

12.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

13.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.fire

B.hotness

C.heat

D.stoves

14.根据下面资料，回答39-42题

Nancywantedtomakegooduseofhersparetime.Soshedecidedtoworkfortheunderdog.Forthepastseveralyears,shehasbeenputtingherexperienceandenergytohelpadisadvantaged(条件差的)highschoolstudent.

Nancyknewthatherknowledgewouldbebestsharedinaone-to-onesituation.ShefoundherperfectmatchinOperationJumpStart(OJS).

OJSwasfoundedin1994inLongBeach,California,withthegoalofhelpingstudentsreachforhighereducation.Itpairsstudentswithexperiencedvolunteers(志愿者),andprovidesthemwithworkshopsonwriting,leadershipdevelopment,andguidedtoursofvariouscolleges.

Sinceitsstart,OJShashelped80studentsgraduatefromhighschool,with95percentmovingontohighereducation.

Nancyandthegirl,Yanira,spentmostoftheirtimeonschoolwork.Togetherthetwooftenwenttomuseums,zoos,themovies,andconcerts;theyevensangintheschoolholidayshowtogether!

“IknowI′mnotlikeanyoneelseinYanira′slife,”Nancysays,“It′sbeengreattogettoknowherandtowatchherchange,grow,andlearn.”

MuchtoNancy′sexcitement,YaniraplanstoattendJohnJayCollegeinNewYorkCity,whereNancy′sfathertaughtforhiswholelife."ThesedaysIshareherdream,andifshegetsacceptedIhopetotraveltoNewYorkwithherandshowheraround,"Nancysays.

Accordingtothetext,NancyfeelsgreattoseeYanira

A.makeprogress

B.traveltoNewYork

C.gotocollege

D.singintheholidayshow

15.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.Backwardsandforwards

B.Upanddown

C.Leftandright

D.Aroundandaround

16.Theboylayinthestreet，hiseyes_______andhishands______.

A.closing;trembling

B.closed;trembled

C.closing;trembled

D.closed;tremblin

17.Whenyouarelittle,thewholeworldfeelslikeabigplayground．IwaslivinginConyers,Georgiathesummeritallhappened．Iwasasecondgrader,butmybestfriendStephaniewasonlyinthefirstgrade．Bothofourparentswereatworkandmostofthetimetheyletusgoourownway．

ItwasahotafternoonandwedecidedtohaveanadventureinStephanie'sbasement．AsIopenedthebasementdoor,beforeuslaythebiggestroom,fullofamazingthingslikeguns,dolls,andoldclothes．Irandownstairs,andspottedaredsteelcan．Itwaspaint．Ilookedbeyonditandtherelayevenmorepaintinbrightcolorslikepurple,orange,blueandgreen．

"Stephanie,Ijustfoundusaprojectfortheday．Getsomepaintbrushes．Wearefixingtopaint．"ShescreamedwithexcitementasItoldherofmysecretplansandimmediatelywegottowork．Wegatheredallthebrusheswecouldfindandmovedallofourmaterialstomyyard．Thereontheroadin

frontofmyhouse,wepaintedbitstripes(条纹)ofcolorsacrossthepavement(人行道)．Stripebystripe,ourcolorsturnedintoabeautifulrainbow．Itwasfantastic!

Thesunwasstartingtosink．IsawacarinthedistanceandjumpedupasIrecognizedthecar．Itwasmymother．Icouldn'twaittoshowhermymasterpiece．Thecarpulledslowlyintothedrivewayandfromthelookonmymother'sface,IcouldtellthatIwasindeeptrouble．

Mymothershutthecardoorandwalkedtowardsme．Hereyesglaring,sheshouted,"Whatintheworldwereyouthinking?Iunderstoodwhenyoumadecastlesoutofleaves,andclimbedtheneighbors'trees,butthis!Comeinsiderightnow!"Istoodthereglaringbackatherforaminute,angrybecauseshehadinsulted(侮辱)myart．

"Nowgotocleanitup!"MotherandIbegancleaningtheroad．TearsrandownmycheeksasIsawmybeautifulrainbowturnintoblackcement．

Thoughyearshavenowpassed,!stillwonderwheremyrainbowhasgone．Iwonderif,maybewhenIgetolder,Icanfindmyrainbowandneverhavetobrushitaway．Iguessweallneedsortofrainbowtobrightenourlivesfromtimetotimeandtokeepourhopesanddreamscolorful．

Theunderlinedword"rainbow"inthelastparagraphrefersto_______．

A.therainbowinthesky

B.thestripesonthepavement

C.somethingimaginativeandfun

D.importantlessonslearnedinchildhood

18.Enoughsleepisimportanttohealth.Theamountofsleep（21）dependsontheageoftheper-sonandtheconditionsinwhichsleep（22）.Theyoungmayneedmoresleepthantheold,butgenerallyeighthoursareenoughforthehealthofgrown-ups.Somecan（23）withlessthanthisamountbut（24）mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto（25）it.Sleepshouldalwaysbeenoughtomakeonerelaxed(松弛)andreadyfor（26）work.

Freshairis（27）tosoundsleep(酣睡).Itisnotwithoutreasonforsomepeopleto（28）thatitispracticaltosleepintheopenair.（29）apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthebody（30）completerelaxation.

Abilitytosleepislargelyahabit.Theconditionsreferredtoonlyleadtosleep.Out-of-door（31）,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand（32）areallhelpfultosoundsleep.Suchfactorsarelargelywithinthecontrolofanyperson.Abathat（33）,neitherhotnorcoldbutof（34）temperature,maybehelpfultosleep.Sleepingpillsshouldneverbetakenexceptwhensuggestedby（35）.

第（21）题选

A.wished

B.expected

C.needed

D.wanted

19.LastSundayhadapicnicinBeihaiPark．

A.John,Maryandme

B.John,IandMary

C.John,MaryandI

D.I,JohnandMary

20.－Excuseme,whereisthemeetingroom？

－Justasecond.I’llhavesomeone____youthere.（）

A.takes

B.taking

C.take

D.totake

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。

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.lived

B.died

C.came

D.left

22.GeorgeandMargaretandtheirchildren21at140DavisStreet,22thestreetfromasmallpark．Theirhouseisjustoffthemainroad．Georgeusuallygoestoworkbybus,butsometimeshegoes23hiscar．Thechildrenusuallygotoschoolbybus．

TheGlenns'houseis24hiddenamongthetrees．Ithassmallbushes(灌木)plantedaroundit．Thereisafence25itandthehousenextdoor．Itisatwo-storeyhouse,26thelivingroom,diningroomandkitchen(厨房)onthefirstfloor,andthebedroomsandbathroomonthesecondfloor．

TheGlennsspendalotoftimeathome．27nowtheyareatdinner．Conversation(谈话)attheGlenns'houseisusuallylivelyatmealtime．Thechildrenarediscussingtripstheywouldliketotake．

Susan,whohasnever28onaplane,says,"I'dliketo29aplanetoCalifornia．"Henry,whoiselder,thinksitwouldbefuntobeona30,headingforadventure(冒险)inAfrica．Teddy,theyoungest

child,says,"Iwanttogoaroundtheworldonatrain．"Hiselderbrotherandsisterarestilltryingto31tohimwhythisisnotpossible．32theirmothersays,"Children,you'vespenttoomuchtimeatthetable．HenryandSusan,goand33yourhomework．Teddy,it'stimeyouwereinbed．"

Soonthereissilencethroughoutthe34．Teddyisinbed,SusanandHenryareintheirroomsstudying,andMr．andMrs．Glennsareintheirlivingroom,35Georgeissittinginhisfavorite(最喜欢的)chair,readingthepaperandMargaretissittin