2016-2023年重庆电子工程职业学院高职单招（英语／数学／语文）笔试历年参考题库含答案解析

2016-2023年重庆电子工程职业学院高职单招（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.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

2.sin（x－y）cosy＋cos（x－y）siny＝（）

A.sinx

B.sinxcosy

C.cosx

D.sinycosx

3.命题甲：lgx，lgy，lgz成等差数列；命题乙：y2＝x·z则甲是乙的（）

A.充分而非必要条件

B.必要而非充分条件

C.既充分又必要条件

D.既非充分也非必要条件

4.生产一种零件，在一天生产中，次品数的概率分布列如表所示，则为()

A.0.9

B.1

C.0.8

D.0.5

5.圆柱的轴截面面积等于10，体积为5π，它的母线长和侧面积分别是()

A.5和10π

B.5π和10

C.5和25π

D.10和10π

6.如果不共线的向量a和b有相等的长度，则（）

A.0

B.1

C.-1

D.2

7.5名高中毕业生报考3所院校，每人只能报一所院校，则有()种不同的报名方法．

A.见图A

B.见图B

C.见图C

D.见图D

8.两条直线是异面直线的充分条件是这两条直线（）

A.分别在两个平面内

B.是分别在两个相交平面内的不相交的直线

C.是分别在两个相交平面内的不平行的直线

D.分别在两个相交平面内，其中一条与这两个平面的交线相交于一点，而另一条不过这个点

9.已知χ轴上的一点B与点A(5，12)的距离等于13，则点B的坐标为()

A.(10，0)

B.(0，0)

C.(10，O)或(0，0)

D.(-10，0)

10.从1，2，3，4，5，6六个数字中，选出一个偶数数字和两个奇数数字组成一个无重复数字的三位数，总共有（）．

A.9个

B.24个

C.36个

D.54个

11.不等式∣2x一3∣≤1的解集为()

A.{x∣1≤x≤3}

B.{x∣x≤-l或x≥2}

C.{x∣1≤x≤2}

D.{ｘ∣2≤ｘ≤3}

12.函数的定义域是()

A.[-2，2]

B.[-2，2)

C.(-2，2]

D.(-2，2)

13.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}

14.与直线3x－4y＋12＝0关于y轴对称的直线方程为（）

A.见图A

B.见图B

C.见图C

D.见图D

15.函数y=2x的图像与函数x=log2y的图像（）

A.关于x轴对称

B.关于y轴对称

C.关于直线y=x对称

D.是同一条曲线

二.数学问答题(共3题)1.点A，B到平面α的距离分别为4cm和6cm，则线段AB的中点M到α平面的距离为__________．

2.已知△ABC的内角A，B，C的对边分别为a,b，c，其中c＝2，又向量m＝（1，cosC），n＝（cosC，1），m·n＝1．

（Ⅰ）若A＝45°，求α的值；

（Ⅱ）若a＋b＝4，求△ABC的面积．

3.直线3x＋4y－12＝0与x轴、y轴分别交于A，B两点，O为坐标原点，则△OAB的周长为_________

三.英语单项选择题(共25题)1.Lastfallwasafirst-of-its-kindseason.Ididnotarrange（安排）anyafter-schoolclassesformychildren.Noswimming.Nomusiclessons.Noplaydates.Nothing.

Oncetheyfinishedtheirhomework,theywerefreetodowhattheypleased,butonlyonehourofTV.Inthebeginning,mysons,Ben,11,andNick,9,wereanxiousaboutthissudden,unplannedfreedom.Ihadtopushthemoutofthedoorwithaball,abike,andsoon.“Play!”Iordered.

Ilearnedthatthisnewplantakestime,patienceandalotoffaithinthetheorythathavingexcellentgradesisn'treallyimportant.

Whenmyolderkids,nowincollegeandhighschool,wereyoung,Ibroughtintherulesofmodernparenting.Theyareunspoken,butfollowedcarefully.First,youmustletyourchildhaveavarietyofactivities.Afterall,youneverknowwhereyou'llfindagenius（天才）.Second,ifthechildshowstheslightesttalent（才能）,theactivitymustbepushedwithlessons,specialcoaching（辅导）andpracticeofseveraldaysaweek.Everyminuteshouldbetakenandeveryminutehasapurpose.Thatwasreallytoomuchformychildren.

Nowwiththenewplan,wetoldstories.Welistenedtomusic.Andthekidsplayedwithbikes,balls,andwhateverwashandy.Nobodykeptscore.Infact,theboysplayedoutsidesomuchthatthelawnwasworndowntothesoilinplaces.They'vemadefriendswiththosewhocomefromallovertheneighbourhoodtoplaygames.

Welikethosepeacefulevenings.BenandNickhaveagoodtimethisfall.Maybethat'sbecausethetimeoffhasallowedustoenjoyeachother'scompany.

Atthebeginningofthatseasonthechildren____.（）

A.hatedtospendmoretimeontheirhomework

B.feltexcitedaboutmakingtheirowndecisions

C.werepleasedtohavemorefreedom

D.wereworriedaboutthechange

2.Bodylanguageisofgreatimportancetohumans.Wecarrymanyofthemeaningsthroughbodymovements.However,manyformsofbodylanguageweconsidertobefineinourcountrycangetusintotroubleinotherpartsoftheworld.

Asmileisoneofthemostcommonexamplesindifferentcountries.WhileAmericanssmilefreelyatstrangers,inRussiathisisconsideredstrangeandevenimpolite.InAsiancountriesasmileisn'tnecessarilyanexpressionofjoybutitcanbeusedtoexpresspain.

Theacceptablephysicaldistanceisanothermajordifference.InLatinAmericaandtheMiddleEasttheacceptabledistanceismuchshorterthanwhatmostEuropeansandAmericansfeelcomfortablewith.Handandarmmovementsasaformofbodylanguagearealsoverydifferentamongcountries.Handshakesareusuallyacceptablealmosteverywhere,evenbetweenstrangers;however,kissingonthecheekandtouchingontheshoulderorotherbodypartsaren't.FormanypeopleinAsiaandotherpartsoftheworld,suchactionsareseenasaviolation（侵犯）ofone'spersonalspace.Thisiswhyyoushouldnottouchotherseasily.

Eyecontact（目光接触）isoneoftheformsofbodylanguagewherethedifferencesaremoststriking.InAmericaandLatinAmericalookingtheotherpersonintheeyeisasignofrespect.ButinAsiancountries,prolonged（过长的）eyecontactisespeciallyrude,soyoushouldtryyourbestnottodothat.

Inwhichplaceissmilingatstrangersconsideredimpolite?（）

A.TheU.S

B.Asia

C.LatinAmerica

D.Russia

3.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.from

B.in

C.within

D.outside

4.Tom,togetherwithhisfamily,toseeustonight．

A.iscoming

B.arecoming

C.comes

D.come

5.Haveyoueverarguedwithyourlovedonesoversimplemisunderstandings（误解）?Littlewonder.Weoftenbelievewe'remoreskillfulingettingourpointacrossthanweactuallyare,accordingtoBozaKeysar,aprofessorattheUniversityofChicago.Inhisrecentstudy,speakerstriedtoexpresstheirmeaningsusingunclearsentences.Speakerswhothoughtlistenersunderstoodwerewrongnearlyhalfthetime.Here'ssomegoodadvicetoreducemisunderstanding:(1)Don'ttrustwhatyouseefromthelistener.Listenersoftennod,lookatyouorsay“uhhuh”tobepoliteormovetheconversationalong.Butit'seasytoconsidertheseassignsofunderstanding.(2)Traintheeditor（编辑）inyourhead.Ifyousay,"Bethdiscussesherproblemswithherhusband,"it'snotclearwhethershe'stalkingtoherhusbandorabouthim.Tryinstead,"Bethtalkstoherhusbandaboutherproblems."Or"Bethtalkstoothersabouttheproblemswithherhusband."(3)Asklistenerstorepeatyourmessage.Introduceyourrequestbysaying"IwanttobesureIsaidthatright."Questionslike“Howdoesthatsound?"or"Doesthatmakesense?"mayalsowork.(4)Listenwell.Whenonthereceivingend,askquestionstobesureyou'reonthesamepage.Afterall,itisn'tjustthespeaker'sjobtomakehisspeechunderstood．

Whydoesthewritergiveustheadvice?（）

A.It'simpolitetosayNOtoothers

B.We'renotskillfulenoughtomakeclearsentences

C.Misunderstandingisdamagingournormallives

D.Misunderstandingoccursnowandthen

6.根据下面资料，回答40-42题

Scientistshavelongtriedtobeabletoknowmoreaboutfloods．Sofar,thebestthatscientistscandoistorecognizetheconditionsforflooding．

Althoughdeepsnowaloneseldomcausesfloods,whenitoccurstogetherwithheavyrainandsuddenwarmerweather,itcanleadtoseriousflooding．Ifthereisafastsnowmelt(融化)ontopoffrozenorverywetground,floodingislikelytooccur．Meltingsnowalsocauseshighwaterlevelsinrivers．

Wheneverriversarealreadyattheirhighestpossiblelevels,heavyrainswillresultintherivers'floodingthenearbyland．

Riverscoveredinicecanalsoleadtoflooding．Whenicebeginstomelt,itbreaksintolargepieces．

Thesepiecesoficemoveandfloatdowntheriver．Theycanblocktheriver,causingthewatertoriseandfloodthelanduptheriver．Iftheicedam(坝)breakssuddenly,thelargequantityofwaterheldbehinditcanfloodtheareasdowntherivertoo．

Brokenicedamsarenottheonlyproblemthatcancauseflooding．Whenalargehuman-madedambreaksorfailstoholdthewatercollectedbehindit,itwillalsocauseseriousdamage．

Althoughscientistscannotalwaysknowwhenfloodswilloccur,theydoknowagreatdealaboutwhenfloodsarelikely,orprobably,goingtooccur．

Whathappenswhenicedamsbreak

A.Theymayquicklyblocktheriver

B.Theicecoveringtherivermaymeltfast

C.Alargericedammaysoonbeforme

D.Theareasdowntherivermaybefloode

7.Aroundtheworldmoreandmorepeoplearetakingpartindangeroussportsandactivities．Ofcourse，therehavealwaysbeenpeoplewhohavelookedforadventure--thosewhohaveclimbedthehighestmountains，explored（探险）unknownpartsoftheworldorsailedinsmallboatsacrossthegreatestoceans．Now，however，therearepeoplewhoseek（寻找）animmediatethrill（令人激动的事情）fromariskyactivitywhichmayonlylastafewminutesorevenseconds．

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

Whydopeopletakepartinsuchactivitiesasthese?Somepsychologists（心理学家）suggestthatitisbecauselifeinmodernsocietieshasbecomesafeandborin9．Notverylongago，people’sliveswereconstantlyunderthreat．Theyhadtogooutandhuntforfood，diseasescouldnoteasilybecured，andlifewasacontinuousbattleforsurvival．

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

Inbungeejumping,you__________.

A.jumpashighasyoucan

B.slidedownaropetotheground

C.attachyourselftoaropeandfalltotheground

D.falltowardsthegroundwithoutarope

8.Enoughsleepisimportanttohealth.Theamountofsleep（21）dependsontheageoftheper-sonandtheconditionsinwhichsleep（22）.Theyoungmayneedmoresleepthantheold,hut（23）eighthoursareenoughforthehealthofgrown-ups.Somecandowithlessthanthisamount?but（24）mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto（25）it.Sleepshouldbealwaysenoughtomakeonerelaxed(松弛)andreadyfor（26）work.

Freshairis（27）tosoundsleep(酣睡).Itisnot（28）reasonforsomepeopletoinsistthat?itispracticaltosleepintheopenair.（29）apersoncankeephimselfwarm,out-of-doorsleeping?probablygivesthebody（30）completerelaxation.

Abilitytosleepislargelyahabit.Theconditionsrefen-edtoonlyleadtosleep.Out-of-door（31）,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand（32）areallhelpful?tosoundsleep.Suchfactorsarelargelywithinthe（33）ofanyperson.Abathat（34）,neither?hotnorcoldbutofbodytemperature,maybehelpfultosleep.Sleepingpillsshouldneverbetaken?exceptwhensuggestedby（35）.

第（34）题选

A.anytime

B.bedtime

C.roidnight

D.lunchtime

9.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（29）题选

A.As

B.Where

C.Unless

D.When

10.Lisawasrunninglate．Lisa,25,hadalottodoatwork,plusvisitorsontheway:herparentswerecominginforThanksgivingfromherhometown．Butasshehurrieddownthesubwaystairs,shestartedtofeeluncomfortablywarm．Bythetimeshegottotheplatform,Lisafeltweakandtired--maybeithadn'tbeenagoodideatogivebloodthenightbefore,shethought．Sherestedherselfagainstapostclosetothetracks．

Severalyardsaway,Frank,43,andhisgirlfriend,Jennifer,foundaspotclosetowherethefrontofthetrainwouldstop．Theyweredeepindiscussionaboutahousetheywerethinkingofbuying．

Butwhenheheardthescream,followedbysomeoneyelling,"Oh,myGod,shefellin!"Frankdidn'thesitate．Hejumpeddowntothetracksandransome40feettowardthebodylyingontherails．"No!

Notyou!"hisgirlfriendscreamedafterhim．

Shewasrighttobealarmed．BythetimeFrankreachedLisa,hecouldfeelthetracksshakingandseethelightcoming．Thetrainwasabout20secondsfromthestation．

Itwashardtolifther．Shewasjustout．Buthemanagedtoraiseherthefourfeettotheplatformsothatbystanderscouldholdherbythearmsanddragherawayfromtheedge．ThatwaswhereLisabrieflyregainedconsciousness,feltherselfbeingpulledalongtheground,andsawsomeoneelseholdingherpurse．

Lisathoughtshe'dbeenrobbed．Awomanheldherhandandamangavehisshirttohelpstopthebloodpouringfromherhead．Andshetriedtotalkbutshecouldn't,andthatwaswhensherealizedhowmuchpainshewasin．

Policeandfireofficialssoonarrived,andFranktoldthestorytoanofficer．Jennifersaidherboyfriendwascalmontheir40-minutetrainridedowntown--justashehadbeensecondsaftertherescue,whichmadeherthinkaboutherreactionatthetime．"IsawthetraincomingandIwasthinkinghewasgoingtodie,"sheexplained．

HowdidFranksaveLisa?

A.Byliftinghertotheplatform

B.Byhelpingherrisetoherfeet

C.Bypullingheralongtheground

D.Bydraggingherawayfromtheedge

11.材料题

C

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

Whichofthefollowingisnottruetothepassage

A.Poorbreakfastsaffect(影响)thosewhoworkwithbrain

B.Morningdietmaycauseonetogetfatte

C.Reducinglunchandsupperisoflessvalueinweight-losin

D.Eatinglessinlunchandsuppermayhelptoloseweigh

12."...ShewasmarriedtoanofficerinIndia,longagoIndia;andshehadalifeofphysicaladventure(冒险)asexcitingasherpoetry.Herhusbandcouldcrossriversusingcrocodiles(鳄鱼)assteppingstones.Hediedwhenshewasonly39.Unwillingtoexistwithouthim,shetookherlife,leavingasoninEngland."

Istaredatthepaper,（21）reading,couldn′thelpthinking.

Crocodilesarelazyanimalsasarule,buttheycanmovelikelighteningwhentheywantto.Andtheydon′tmindhurrying（22）they′rehungry.ThereusedtobelotsinIndianrivers,livingonfishmostly;butwhat′salittlefishforafifteen-footcrocodile?Theyatepeople,fishermanoranyoneelsedeliciousenoughtogettoonear;womendoingthe（23）,orchildrenplayingatthewater′s（24）.Ahungrycrocodile′smouth（25）overamealwithasoundlikeagunshot.Abigfellowcan（26）inamanintwobites(咬).

Thatwoman′shusbandcrossedrivers（27）fromonecrocodile′sbacktothenext.Ibelieveit.Ithadtobedonequicklybeforethecreaturecouldseewhatwashappening.Itwasn′t（28）abrave,activeman;andnodoubtheimprovedwithpractice.Hecouldneverlook（29）whilecrossing.

Thewifeusedtowatchhim--Ifeltsureofthat.Shelived（30）theadventure,the（31）excitementofitall.Theirreallifewaswithtigers,snakes...It′snowondershewrote（32）poetry.

Thenhedied.Iimaginedhowshefelt.Wasthereanotherman（33）himinIndia,intheworld?Shewasstillyoung,hardlyasitting-roomwidow(寡妇)."Imust（34）,too."shesaidtoherself.Soshedidwhatshefeltshehadtodo.A（35）probably,toherhead.

Butheryoungson,theirson?Washerloveforhimnothingcomparedtoherhusband?Well,whatdoyouthink?

第（32）题选

A.angry

B.exciting

C.sad

D.interesting

13.MyfriendsandIwouldliketogototheconcert,but__________ofushasgotaticket.

A.both

B.none

C.neither

D.all

14.Probablynoothermusicalinstrument（乐器）isaspopulararoundtheworldastheguitar.Almosteverykindofmusicneedsaguitar.Countryandwesternmusicwouldnotbethesamewithoutaguitar.TheSpanishmusiccalledflamencocouldnotexistwithout,aguitar.ThesoundofAmericanbluesmusicwouldnotbethesamewithoutthesadcryoftheguitar.Androckandrollmusicwouldalmostbeimpossiblewithoutthisinstrument.

Peopledonotagreeaboutwheretheguitarwasfirstplayed,butmostagreeitisveryold.SomesayaninstrumentverymuchlikeaguitarwasplayedinEgyptmorethanonethousandyearsago.SomeotherssaythatanoldformofthemodemguitarwasbroughttoSpainfromPersiasometimeinthe12century.TheguitarcontinuedtodevelopinSpain.Inthe1700sitbecamesimilartotheinstrumentweknowtoday.

Manyfamousmusiciansplayedtheinstrument.ThefamousmusicianNiccoloPaganinniplayedandwrotemusicfortheguitarintheearly1800s.FranzSchubertusedtheguitartowritesomeofhisfamousworks.InmodemtimesAndresSegoviahelpedmaketheinstrumentextremelypopular.

OnekindofmusicfortheguitardevelopedinthesouthernareaofSpaincalledAdalusia.ItwillalwaysbestronglyconnectedwiththeSpanishguitar.

Wherecouldtheoldestformoftheguitarprobablyexistaccordingtothetext?（）

A.inSpain

B.inPersia

C.inEgypt

D.inAmerica

15.Davidwon'tcometomyweddingparty____Isendhimaninvitation.（）

A.when

B.unless

C.as

D.after

16.Moods,saytheexperts,arefeelingsthatarelikelytobecomefixed,havingeffectsonone′soutlook（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.

Itcanbeinferredfromthepassagethat

A.whenoneisinabadmood,heorshemaynotworkverywell

B.thebestwaytoovercomeabadmoodistotalktooneself

C.somedrugsaremoreeffectivethanphysicalexercises

D.takingdrug~isattheriskofbeingpoisonous

17.材料题

通读正面的短文，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择。

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.decisions

B.wishes

C.friends

D.changes

18.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（30）题选

A.personal

B.similar

C.friendly

D.natural

19.Catsarecreaturesofhabit.Theyliketogotosleepaboutthesametimeeverydayandforacertainlengthoftime.Theyseemtohaveanaturalclockinsidethemthattellsthemwhentosleep.

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

Anumberoffamouspeoplehavecopiedcatsbytakingcatnapsduringtheday.Thenapswouldusuallylastfrom15to30minutes.

WinstonChurchilltookcatnaps.SodidPresidentsHarryTruman,JohnF.KennedyandLyndonB.

Johnson.Thesefamousmenwereknownfortheirenergy.Theywerealsoabletoworklonghours,oftenintothenight.Nappingwastheirsecret.

Perhapsmorepeoplelearnfromcatsandtakenapstofeelbetterandlivelonger!

Takingcatnaps

A.willmakeapersonlazyandtired

B.isabadhabit

C.willmakepeoplefeelbetter

D.canhelppeoplebecomefamous

20.材料题

通读正面的短文，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择。

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.block

B.car

C.building

D.flat

21.PassageThree

In2008，theUnitedStatesDepartment