2024年烏海職業(yè)技術(shù)學(xué)院高職單招（英語(yǔ)／數(shù)學(xué)／語(yǔ)文）筆試歷年參考題庫(kù)含答案解析

2024年烏海職業(yè)技術(shù)學(xué)院高職單招（英語(yǔ)／數(shù)學(xué)／語(yǔ)文）筆試歷年參考題庫(kù)含答案解析（圖片大小可任意調(diào)節(jié)）第I卷一.數(shù)學(xué)單項(xiàng)選擇題(共15題)1.設(shè)函數(shù)f(x)＝ex，則．f(x－a)·f(x＋a)＝（）

A.f(x2－a2)

B.2f(x)

C.f(x2)

D.f2(x)

2.設(shè)函數(shù)f（x）在（-∞，+∞）上有定義，則下列函數(shù)中必為偶函數(shù)的是（）

A.y=｜f（x）｜

B.y=-｜f（x）｜

C.y=xf（x）

D.y=f（x）+f（-x）

3.已知復(fù)數(shù)z=a+bi，其中a,b∈R，且b≠0，則()

A.｜z2｜≠｜z｜2=z2

B.｜z2｜=｜z｜2=z2

C.｜z2｜=｜z｜2≠z2

D.｜z2｜=z2≠｜z｜2

4.節(jié)日期間，某種鮮花進(jìn)價(jià)是每束2.5元，銷售價(jià)是每束5元；節(jié)后賣(mài)不出的鮮花以每束1.5元的價(jià)格處理．根據(jù)前五年銷售情況預(yù)測(cè)，節(jié)日期間這種鮮花的需求服從如下表所示的分布列：

若進(jìn)這種鮮花500束，則期望利潤(rùn)是（）

A.706元

B.690元

C.754元

D.720元

5.將一顆骰子拋擲1次，則得到的點(diǎn)數(shù)為偶數(shù)的概率為()

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

6.下列函數(shù)的周期是丌的是()

A.(x)=cos22x-sin22x

B.(x)=2sin4x

C.(x)=sinxcosx

D.(x)=4sinx

7.以x2-3x-1=0的兩個(gè)根的平方為根的一元二次方程是（）

A.x2-11x+1=O

B.x2+x-11=0

C.x2-11x-1=0

D.x2+x+1=0

8.對(duì)滿足a>b的任意兩個(gè)非零實(shí)數(shù)，下列不等式成立的是（）

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

9.設(shè)甲：函數(shù)y＝kx＋b的圖像過(guò)點(diǎn)（1，1），乙：k＋b＝1，則（）

A.甲是乙的充分必要條件

B.甲是乙的必要條件，但不是乙的充分條件

C.甲是乙的充分條件，但不是乙的必要條件

D.甲不是乙的充分條件，也不是乙的必要條件

10.下列（）成立．

A.0.760.12<1

B.

C.loga（a+1）<log（a+1）a

D.20.32<20.31

11.與直線3x－4y＋12＝0關(guān)于y軸對(duì)稱的直線方程為（）

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

12.在正方體ABCD-A1B1C1D1中，E，F(xiàn)分別為AD，D1D的中點(diǎn)，則直線EF與BD1所成角的正弦值是()

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

13.函數(shù)y＝2sinxcosx的最小正周期是（）

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

14.對(duì)于定義域是R的任意奇函數(shù)f(χ)都有（）

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

15.若a＞b＞0，則（）

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

二.數(shù)學(xué)問(wèn)答題(共3題)1.函數(shù)的圖像的單調(diào)遞增區(qū)間為_(kāi)_________.

2.

（1）求C的標(biāo)準(zhǔn)方程；

（2）若P為C上一點(diǎn)，｜PF1｜-｜PF2｜=2，求cos∠F1PF2．

3.把邊長(zhǎng)是a的正方形鐵皮的四角切去相等的正方形，再將它折起，做成一個(gè)無(wú)蓋且底面為正方形，高為切去的正方形邊長(zhǎng)的箱子，箱底邊多長(zhǎng)時(shí)，箱子的容積最大？

三.英語(yǔ)單項(xiàng)選擇題(共25題)1.Iworkedforashorttimeasacashieratarestaurantafewmonthsago.Ialsohelpedtocleanupthetableswhenitwasverybusy.Onenight,justbeforeChristmas,Ifoundalargeblackwalletonthefloornearoneofthetables.IguessedIshouldcheckittofindoutwhowastheowner,butIwasverybusyatthetime.AndIimaginedthatiftherewassomethingvaluableinthewallet,theownerwouldbeback.Sureenough,anhourlateramancameuptothecounterandaskedifanyonehadfoundawallet.laskedhimtodescribethelostwallet,andafterhedescribeditexactly,Igavehimthewallet.HeexpressedhisthankswhenIhandedittohim.HeaskedmeifIhadopenedit,andwhenItoldhim“no”.Atonceheopeneditandshowedthatithadnearly$800incash.Hetookoutatwenty-dollarbillandhandedittomeandIwasamazedatthis.“Arewardforyourhonesty,”hesaidandthenturnedandwalkedaway.

Thinkingaboutitlater,IbeganwonderingwhetherIwouldhavebeenhonestifhadknownwhatwasinthewallet!IthoughtthatifIhadnowaytofindtheownerandnoonereturnedtogetit,Imightkeepit.ButitalsocameintomymindthatIactuallysavedsomeone'sChristmasplansbyfindingandreturningthewallet.Thegoodfeelingitgavemewasworthmorethananythingcouldbuy.

Thewriterreturnedthewallettotheownerbecause____.（）

A.shethoughtChristmaswascoming

B.theownercamebacktoosoon

C.shedidn'tknowtherewassomuchmoneyinit

D.asanhonestperson,sheprefertoreturnthewalletratherthankeepthemoneyinit

2.

A.見(jiàn)圖A

B.見(jiàn)圖B

C.見(jiàn)圖C

D.見(jiàn)圖D

3.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．

Thepassageisintendedto

A.warnusofthedangerinthesubway

B.showushowtosavepeopleinthesubway

C.tellusaboutasubwayrescue

D.reportatrafficaccident

4.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

5.Moods,saytheexperts,arefeelingsthatarelikelytobecomefixed,havingeffectsonone′soutlook（wayoflookingatthings）forhours,daysorevenweeks.That′sgreatifyourmoodisapleasantone,butaproblemifyouaresad,anxious,angryorsimplylonely.

Perhapsthebestwaytodealwithsuchmoodsistotalkthemout;sometimes,though,thereisnoonetolisten.Modernpharmacology（藥物學(xué)）offersalottranquilizers（鎮(zhèn)定劑）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（循環(huán)）,andimprovethebody′suseofoxygen.Dothemforatleast20minutesatime,threetofivetimesaweek.

Itcanbeinferredfromthepassagethat

A.whenoneisinabadmood,heorshemaynotworkverywell

B.thebestwaytoovercomeabadmoodistotalktooneself

C.somedrugsaremoreeffectivethanphysicalexercises

D.takingdrug~isattheriskofbeingpoisonous

6.Thedonkeyranintothenearbyforest____herecoveredfromillness.

A.moment

B.amoment

C.themoment

D.thatmoment

7.Doyouknowthestudent____wonthespeechcontest?（）

A./

B.which

C.who

D.whom

8.Onceamonth,justaftersunset,trucksfillanoutdoorparkinglotinLosAngeles,California．Sometruckssellallkindsoffood.Othershaveclothingforsale.Theseareknownasfashion（時(shí)尚）trucks.

It'sreallyfuntogothrougheverythinginthetruck.Thebackofthetruckisasmallstore.Clothinghangsononeside.Jewelry（首飾）andpursesareontheother.Thestorelookscolorfulandiswellorganized.Thereisalsoaverysmallroomfortryingonclothes.

JordanaFortalezaisoneofthetruckowners.Shesaysthecostofowningatruckismuchlowerthanpayingforastore.Andthereisanotherreasontouseatruck.Youcantakeyourbusinesstoyourcustomers.Buttherearealsodifficulties.

Thebiggestproblemistheweather.Inwinter,it'scoldoutsideandthere'snoonearound.Anotherproblemiskeepingthetruckingoodcondition.Whenitbreaksdown,therepairscantakedays.Businessstopsduringthetime.Ithappensatleastonceayearbecausehertruckis38yearsold．

MeaganRogersisafashionschoolgraduate.Shesaysthejobmarketissohardnow,butwithafashiontruckshe'sabletostartearningmoneywhileherclassmatesarestillworkingwithoutpay.

Whichofthefollowingisanadvantageofafashiontruck?（）

A.Itattractsmorecustomers

B.Itcostslessthanastore

C.Itneedsrepairsonceayear

D.Ithasasmallroominit

9.Jimwasagreedyboy.Heenjoyedhavinggoodfood.Onedaywhenhecametohavebreakfast,hefoundtherewasonlybreadandgruel(麥片粥).Sohedidn′twanttohaveany.Thenhethoughtoutaplantofoolhismotherandgetsomethinggoodtoeat.Heputhishandsonhisstomachandsaid,"I′vegotastomachache,Mum,andIdon′twantanybreakfastnow."Hismothersaid,"I′msorrytohearthat.GotoDoctorJonesandhewillgiveyousomemedicine.Youknowhishouse."ThenshegaveJimsomemoneyandlethimgobybus.Jimgotoffthebusafterfiveminutes′fide.Hedidn′tgotoseeDr.Jones.Hewentintoashopandboughtsomepiecesofcakes.

Jimwaseatingthecakesonhiswaybackhome.Whenhegothome,hismotheraskedhim,"WhatdidDr.Jonessay,myboy?"Jimanswered,"Hesaidgoodfoodisbetterthananymedicineformystomachache.SoIwentandboughtsomecakesinsteadofbuyingmedicine."

NowJim′smotherknewwhatJim′sstomachachemeant.

ThatdayDr.Jones

A.gaveJimsomemedicine

B.wenttoseeJim

C.didn'tmeetJimatall

D.advisedJimtobuysomecakes

10.根據(jù)下面資料，回答21-35題

Inthepast,Ialwaysthoughtthatbeingateacherwasaneasyjob.ButIchangedmy（21）whenIbecameapart-timeteacher.Aboutfouryearsago,Richardaskedme（22）Icouldhelpteachhisstudentshowtomakeawebsiteaboutthemselves.

I（23）becausecomputeriswhatIdowellandIdidn′tthinkteachingcomputerwouldbethat（24）.

Butwhen1taughtRichard′sclass,someofthestudents（25）withtheirfriendswhileIwasexplaininghowtodosomething.AtfirstIjustgotangrywiththem,（26）Richardtaughtmetothinkwhytheyweredoingthis.Hesaidthatifhewas（27）alessonandthestudentswerenotlis-tening,thenhewasangrywith（28）fornotmakingthelessonclearorinterestingforthem.ItoldhimthatIdidn′t（29）hisidea.Hethenaskedmeiflhadever（30）thesamething.Thatmademestop.OfcourseIhad!

Ifanyofmypastteachersare（31）this,IwanttosaysorryifIsometimesplayedaroundintheclass（32）youwereteaching.Ididn′tthinkhowthatwouldmakeyoufeel.IpromiseIwilldomybesttobeagood（33）inthefuture.Pleasehelpuswhenwedon′tunderstandandmost（34）,don′tbequicktobeangrywhenwefail.（35）ofusareperfectbutwithyourhelpwecanbesuccessful.

第（23）題選

A.agreed

B.failed

C.obeyed

D.admitted

11.MyfriendBobalways____jokeswheneverwegettogether.（）

A.says

B.tells

C.talks

D.speaks

12.根據(jù)下面資料，回答43-46題

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

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

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

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

Whyarerainforestsimportanttotheworld

A.Theycanprovidefoodfordifferentkindsofinsects

B.TheycanlowerthetemperaturearoundtheEquator

C.Theyarehometovariouskindsofplantsandanimals

D.The3'producethebestwoodforhousebuilding

13.Letusgotothecinema,____?（）

A.willyou

B.shallwe

C.areyou

D.doyou

14.Haveyoueverarguedwithyourlovedonesoversimplemisunderstandings（誤解）?Littlewonder.Weoftenbelievewe'remoreskillfulingettingourpointacrossthanweactuallyare,accordingtoBozaKeysar,aprofessorattheUniversityofChicago.Inhisrecentstudy,speakerstriedtoexpresstheirmeaningsusingunclearsentences.Speakerswhothoughtlistenersunderstoodwerewrongnearlyhalfthetime.Here'ssomegoodadvicetoreducemisunderstanding:(1)Don'ttrustwhatyouseefromthelistener.Listenersoftennod,lookatyouorsay“uhhuh”tobepoliteormovetheconversationalong.Butit'seasytoconsidertheseassignsofunderstanding.(2)Traintheeditor（編輯）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．

Thewritersuggeststhatwhentalkingtoothers,thespeakershould____.（）

A.knowthatlistenerswillshowhimthattheyunderstandhiswords

B.expresshimselfclearlyevenwhenheseessignsofunderstanding

C.noticelistener'ssignsofunderstanding

D.lookdirectlyintohislistener'seyes

15.根據(jù)下面資料，回答36-39題

SomefarmersinCaliforniaarehavingahardtimepickingtheircrops．Therearenotenoughworkerstohelpthemwiththeharvest．

Onefarmerusedtogrowpeaches(桃子),butwillsoongrowalmonds(杏仁)instead．Peachesrequiremorelabortoharvest．Theyareeasytobedamagedandneedcarefulhandpicking．Heisnowremovinghispeachtrees．Thenhewillplantalmondtreesintheirplaces．Almondsareharvesteddifferently．Itdoesnottakeasmanyworkerstopickthembecauseamachineshakesthealmondtrees．

Thenutsfallonthegroundandthenaregatheredup．Thefarmerdoesnothavetohiremanyworkers．

Somefarmersthinktherearetworeasonswhytheycan'tfindenoughfarmworkers．Onereasonisthattherearealotofwell-paidconstructionjobsintheare

A．Manypeoplearetakingthesejobsinsteadofpickingfruit．TheotherreasonisthatithasbecomemoredifficultforworkerstocomefromMexicointo

California．Fewerworkersareallowedtogetintothecountrytoworkonthefruitfarms．Tosettletheproblem,farmershopethegovernmentmightallowtheseworkerstoworkasguests．Thatwouldhelpworkersprovidefortheirfamilyandhelpfarmersharvesttheircrops．Whentheharvestseasonisoverthey'llgobackhome．Farmerssaythatunlessthingschange,morefruitswillcomefromothercountries．

ThisisbecauselaborischeaperinthosecountriesthanintheUnitedStates．

Whycan'tsomefarmersfindenoughworkerstopickfruit

A.Theygrowtoomanypeachtrees

B.Peoplepreferwell-paidconstructionjobs

C.FewpeoplewanttoworkinCalifornia

D.Theydon'twanttohireworkersfromMexico

16.Ayoungwomanrodewithhernewhusbandinawagon（四輪馬車(chē)）.Theycametoalogcabin（小木屋）.Themanshoutedandalittleboycamerunningoutofthecabin.Sarah,theyoungwoman,gotdownfromthewagon,openedwideherarmsandheldtheboyclose.

"Hello,AbeLincoln,"shesaid."Ithinkwe′llbegoodfriends."

Thenewmotherwiththesmilingfacewenttoworkatonce.ShewashedAbeandhissisterandtidied（弄整齊）theirhair.Andthatnightshethrewawaytheboy′smattress（床墊）ofleavesandgavehimasoftmattressandenoughblanketstokeephimwarmatnight.

SarahwoveclothandmadenewshirtsforAbe.Shemadehimnewdeerskintrousersandevendeerskinshoes.

Maybe,ifshehadn′tcometothecabin,hewouldn′thavelivedtobeaman.WhenAbe′sfathertoldhimnottogotoschoolanymoreandhelponthefarm,SarahtookAbe′spartagainsthisfather.Abewouldratherreadthaneat,andwhenhisfathertoldhimtostop,Sarahsaid,"Lettheboyread."

In1830thedaycamewhenAbewouldleavehometoworkinNewSalem.ForthelasttimeshehadtakenAbe′spartagainsthisfather.ForthelasttimeshehadkeptthecabinquietsothatAbecouldread.Morethantwentyyearslater,whenAbe,whohadthenbecomefamous,wasgoingtomakeaspeechinanearbytown,Sarahwenttherejusttowatchhim.Inthecrowdshetriedtomakeherselfsmall,buthesawher,andinfrontofeverybody,gotoutofhiscarriageandwentoverandputhisarmsaroundherandkissedher.Yes,thatwasherAbe.

"Helovedmetruly,"shesaidlater.

IfSarahhadn′tcometothecabin,

A.Abe'sfatherwouldn'thavetoldhimnottogotoschool

B.Abewouldn'thavehelpedhisfatheronthefarm

C.Abewouldn'thavehadsomuchtimetoread

D.Abe'sfatherwouldn'thavetoldhimtostopreading

17.根據(jù)下面資料，回答43-46題

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

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

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

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

HowmuchofthelandsurfaceonEarthiscoveredbyrainforests

A.Morethan50%

B.Nearly12%

C.Lessthan5.3%

D.Around22.5%

18.He_______herefor20yearsbytheendofnextmonth．

A.hadworked

B.hasworked

C.willhaveworked

D.willwork

19.根據(jù)下面資料，回答21-35題

Inthepast,Ialwaysthoughtthatbeingateacherwasaneasyjob.ButIchangedmy（21）whenIbecameapart-timeteacher.Aboutfouryearsago,Richardaskedme（22）Icouldhelpteachhisstudentshowtomakeawebsiteaboutthemselves.

I（23）becausecomputeriswhatIdowellandIdidn′tthinkteachingcomputerwouldbethat（24）.

Butwhen1taughtRichard′sclass,someofthestudents（25）withtheirfriendswhileIwasexplaininghowtodosomething.AtfirstIjustgotangrywiththem,（26）Richardtaughtmetothinkwhytheyweredoingthis.Hesaidthatifhewas（27）alessonandthestudentswerenotlis-tening,thenhewasangrywith（28）fornotmakingthelessonclearorinterestingforthem.ItoldhimthatIdidn′t（29）hisidea.Hethenaskedmeiflhadever（30）thesamething.Thatmademestop.OfcourseIhad!

Ifanyofmypastteachersare（31）this,IwanttosaysorryifIsometimesplayedaroundintheclass（32）youwereteaching.Ididn′tthinkhowthatwouldmakeyoufeel.IpromiseIwilldomybesttobeagood（33）inthefuture.Pleasehelpuswhenwedon′tunderstandandmost（34）,don′tbequicktobeangrywhenwefail.（35）ofusareperfectbutwithyourhelpwecanbesuccessful.

第（24）題選

A.dangerous

B.wise

C.interesting

D.hard

20.Mary,_______here--everybodyelse,staywhereyouare．

A.come

B.comes

C.tocome

D.coming

21.通讀下面的短文，掌握其大意。然后，從每小題的四個(gè)選項(xiàng)中選出最佳選項(xiàng)。

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.judged

B.organized

C.challenged

D.controlled

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

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.understand

B.regret

C.receive

D.admit

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

Oneofthemostremarkablethingsaboutthehumanmindisourabilitytoimaginethefuture.Inourmindswecanseewhathasnotyethappened.Forexample,whilewearelookingforwardto21anewplaceorcountry,we22whatitwillbelike.Wepredict（預(yù)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.Youar