2021年陜西省中考英語真題

2021年陜西省中考英語試卷

A卷

第一部分（聽力共30分）

I.聽對話，選答案（共15小題，計20分）

第一節(jié)：聽下面10段對話，每段對話后有一個問題，讀兩遍。請根據(jù)每段對話的內(nèi)容和后面的問題，從所

給的三個選項中選出最恰當(dāng)?shù)囊豁棥＃ü?0小題，計10分）

1.A.Sayingbye.B.SayinghiC.Sayingsorry.

2.A.ToQingdao.B.ToChengdu.C.ToHangzhou.

3.A.SizeM.B.SizeS.C.SizeL.

4.A.Becausehestayeduplate.B.Becausehegotuplate.C.Becausehehadacold.

5.A.Shecan'tspellthewordB.Shecan'tusetheword.C.Shecan'treadtheword.

6.A.260meterslong.B.360meterslong.C.460meterslong.

7.A.Oldtoys.B.Oldboxes.C.Oldnewspapers.

8.A.Football.B.Basketball.C.Volleyball.

9.A.Onceaweek.B.Twiceaweek.C.Threetimesaweek.

10.A.Rainydays.B.Sunnydays.C.Snowydays.

第二節(jié)：聽下面兩段對話，每段對話后有幾道小題，請根據(jù)每段對話的內(nèi)容，從所給的問題和三個選項中選

出最恰當(dāng)?shù)囊豁?。每段對話讀兩遍。（共5小題，計10分）

聽第II段對話，回答第11、12小題。

11.Besidescollectingerasers,whatdoesJohnlikedoinginhisfreetime?

A.Drawingpictures.B.Readingbooks.C.Collectingcoins.

12.HowmanyerasershasJohncollected?

A.Forty.B.Fifty.C.Sixty.

聽第12段對話，回答第13至15小題。

13.WhatdidMarydoforherdadlastFather'sDay?

A.Shemadeacard.B.Shecookedameal.C.Sheboughtagift.

14.WhatkindofnoodlesdoesMary*sfatherlikebest?

A.Chickennoodles.B.Tomatonoodles.C.Beefnoodles.

15.WhatwillTomprobablydoonFather'sDay?

A.Takeaphoto.B.Writealetter.C:Takeawalk.

II.聽獨白，填信息（共5小題，計10.分）

本題你將聽到一段獨白，讀兩遍。請根據(jù)獨白內(nèi)容，用所聽到的單詞或短語完成下列各題。（每空限填一個

單詞。）

16.YapingishappytohearthatJimmyiscoiningtotolearnkungfu.

17.Shestartedtolearnkungfuwhenshewasyearsold.

18.Yapingwillintwoweeksforsummervacation.

19.ShetellsJimmytocallremailherwhenhehearsthe.

20.ShewillgototheairporttomeetJimmy.

第二部分（筆試共90分）

m.完形填空（共20小題，計20分）

第一節(jié)：閱讀下面短文，按照句子結(jié)構(gòu)的語法性和上下文連貫的要求，從所給的四個選項中選出一個最佳

答案;使短文連貫完整。

Longagoandfaraway,therelivedanoldmanandwoman.Oneday,whilethe-woman21clothesintheriver,

shesawagreatbigorangeonthewatermovingslowlytowardsher:Excitedly,shecaughttheorangeanddecided

22ithometoeat.

Whenthewomanbegantoopentheorange.,suddenly,outjumpedalittlelovelyboy!Themanandwoman

didn'tknow23.Buttheyfeltvery,happyandnamedtheboyBobonaro,orOrangeBoy.Astimewentby,theboy

becameverystrongandbrave.

Lifewaswonderfuluntilsomerobbers（盜賊）movedontoanearbyisland.Therobberswerealwaysstealing

24thingsfromthepeople.Bobonarowantedtodriveallofthemaway.Soheputsomeofhismother'sdelicious

foodinto25boxandlefthomewithitfortheisland.Alongtheway;hemetadog,amonkeyandabird.Bobonaro

gaveeachof26somefoodandhelpedthemalot.Sotheybecamegoodfriends.27hetoldthemabouthis

problem,eachofthethreefriendssaid,"Iwillhelpyougettherobbersaway."

28thehelpofhisthreefriends,Bobonarodrovetherobbersawaysuccessfully.Heandhisfriendsreturned

homewiththevaluablethingsthat29bytherobbers.Allthepeopleinthetown30sohappytoseetheirthings

backthattheycheeredandcalledhimahero.

21.A.washesB.iswashingC.waswashingD.washed

22.A.takeB.totakeC.throwD.tothrow

23.A.howtheyshoulddoB.howshouldtheydo

C.whattheyshoulddoD.whatshouldtheydo

24.A.manyB.muchC.littleD.few

25.A.aB.anC.theD./

26.A.theyB.theirC.themD.theirs

27.A.UnlessB.IfC.BeforeD.When

28.A.InB.OnC.WithD.At

29.A.stoleB.werestolenC.stealD.arestolen

30.A.isB.wasC.areD.were

第二節(jié);閱讀下面短文，理解大意，從所給的四個選項中選出一個最佳答案，使短文連貫完整。

Remy'smothergotsickbeforehewasborn.Shecouldnot31Remy.Sohe

neededafostermothertotakecareofhim.Afostermotherisamotherwhotakes

someoneelse'schildintoher32andcaresforthechildforaperiodoftimejustas

whatshewoulddotoherownchild.Inourhumansociety,whenachild's33meet

theirunfortunate（不幸的）deathsforacertainreasonorreasons,oritsparents

atoyorangutansitting

onablanketbecometoo34toatoyorangutansittingonablanketlookafterit,thischildwill

havetofindafosterfamily,especiallywhenitisababyorataveryyoungage.Intheworldof35innature,the

youngmaynotbesoluckyoreasytofindafosterparentiftheirparentsdieor36theabilitytoraisethem.Mostof

themwillhavetfacea37end.WillRemybeasunluckyasmostoftheunfortunateyoung?

Maduisagrown-uporangutan.She38hadababyofherown.Butshehadcaredfortwootherorangutan

babiesthatdidn'thavemoms.WouldMadubeafostermothertoRemy,too?

Withhisblanketandtoys,Remywentto39Madu.Itwasloveatfirstsight.SoonRemyclimbedonMadu's

back.RemywatchedMadu.MadutaughtRemywhattoeat,40shealsoshowedhimhowtohangandclimb.Remy

learnedhowtobeanorangutan.

31.A.lookafterB.lookatC.lookforD.looklike

32.A.officeB.companyC.shopD.family

33.A.relativesB.neighborsC.parentsD.friends

34.A.sickB.kindC.healthyD.rich

35.A.plantsB.animalsC.waterD.space

36.A.haveB.loseC.developD.keep

37,A.movingB.boringC.happyD.sad

38.A.seldomB.oftenC.sometimesD.never

39.A.refuseB.meetC.controlD.hurt

40.A.andB.butC.orD.so

IV.閱讀理解（共15小題，計20分）

第一節(jié)：閱讀下面A、B、C三篇短文，從所給的四個選項中選出能回答所提問題或完成所給句子的一個最

佳答案。（共10小題，計15分）

A

CindywaseightyearsoldandlivedwithherparentsinCalifornia.Oneday,herparentstoldherhatheywould

leaveCaliforniainaweekandmovetoFloridabecauseherfatherfoundanewjobthere.

Aweeklater,aftertheymovedtoFlorida,Cindy*smothertookhertomeethernewteacher.Theteachersaid,

"Welcometoourschool,Cindy.Letmetellyouwhatwedoinoursecond-gradeclass.Westartthedaywith

readingandwring.Afterthat,wedomath.Thenwegoouttohavealongrestforoutdooractivities.Weeatlunchat

eleveno'clock.Thenwehavestorytime.Afterstorytime,wehavescience.Thenwegotolearningcenters.There

youcanworkonthecomputer,playagame,orreadabook.Next,wehavespelling（寫字課）.Finally,wegoto

musicandartclassesforthelasthouroftheday.Hereisatimelistofthesubjectsandschoolactivitiesforyou.

Thereissomeotherinformationinit.Illbegladtoseeyoutomorrow,Cindy!I'msureyournewclassmateswillbe

gladtseeyou,too.M

41.WhatgradewasCindyinwhenshemovedtoFloridawithherparents?

A.InGradeOne.B.InGradeTwo.C.InGradeThree.D.InGradeFour.

42.Accordingtothepassage,Cindywouldathrnewschool.

A.havemathbeforereadingandwriting

B.dooutdooractivitiesafterlunch

C.playgamesinlearningcenters

D.takemusicandartclassesinthemorning

43.WecanknowfromthepassagethatCindy'snewteacherwas.

A.friendlyB.honestC.humorousD.quiet

B

LookattheEarthfrom,space.Whydoesourplanetlooksoblue?Itsbluebecausewatercoversalmostthree

quartersoftheEarth'ssurface.Waterisnotjustanimportantpartofourplanet.Itisanimportantpartofourbody,

too.Morethanhalfofourtotalbodyweightiswater.

Ourbodyloseswaterwheneverweexerciseor.gotothetoilet.That'swhyweneedtodrinkplentyofwater

everyday.Wedrinkwater.Weuseittocook,clean,andcarrywasteoutofourhomes.Farmersuseittogrow

vegetablesandcropslikericeandcom;factoriesuseittomakeproducts.

Sincethe1950s,theamount（數(shù)量）ofwaterpeopleusehasincreasedbythreetimes.Butthewatersupply（供

應(yīng)）hasn't.Scientistsworrythatsoontherewon'tbeenoughwaterforus,aswellasfortheanimalsandplantsthat

shareourworld.Whatcanwedotohelp?Usewaterwisely.

Havingenoughwaterisnrtouronlyproblem.Wealsoneeditclean.

Rightnow,shipsandfactoriesareputtingwastesintoseas,riversandsoon.Evenchemicalsthatfarmersuse

arerunningintoriversandlakes.Allthispollutioncanmakethewaterdangeroustodrink.Itcanalsoharmfishand

otherwater-livinglives.

Wemustdosomethingtostoppollution.It*sthebestwaytoprotectourworld'smostvaluablenaturalresource

（資源）.

44.HowmanyimportantareasofwaterarementionedinParagraph1?

A.One.B.Two.C.Three.D.Four.

45.Theunderlinedsentence"Wealsoneeditclean0inParagraph4means"

A.Wealsoneedwatertowashthings

B.Wealsoneedwaterthatlooksclean

C.Wealsoneedtokeepwaterclean

D.Wealsoneedtodiscovercleanwater

46.Thispassagewaswrittento.

A.askpeopletovaluewater

B.advisepeopletodrinkmorewater

C.introducetheusesofwater

D.describethesituationofwatersupply

C

INTRODUCTION

It*shardtobelievethatIwroteNumbertheStarsmorethantwentyyearsago.Itseemslike

yesterdaythatIansweredthephoneonasnowyJanuarymorningandreceivedthenewsthatithad

wonthe1990NewberyMedal（美國紐伯瑞兒童文學(xué)獎）.

Ithinkreadersofeveryagemaymatchthemselveswiththeimportantpersonsinthebooks

theyloveandaskthemselves:WouldIhavedonethat?WhatchoicewouldIhavemade?

Andten-theageofAnnemarieinNumbertheStars-isanagewhenyoungpeopleare

beginningtodevelopastrongsetofpersonalethics（道德觀;價值觀）.….Theyarebeginningto

realizethattheworldtheyliveinisnotalwaysgoodandsafe.

Sotheyfollowastoryaboutaten-year-oldgirlwhoiscaughtinadangeroussituation,and

shemustmakedecisions.YoungreadersbecomecheerfulwhenAnnemarietakesadeepbreath,

entersthewoods,facesthedanger,standsuptotheenemyandwinshervictory.

Today,thebookhasbeenpublishedinmanycountriesandtranslatedintomanylanguages.It

founditswayintothehandsandheartsofchildrenwhohadreadaboutbutneverexperienced

war....Booksdochangelives,Iknow;andmanyreadershavetoldmethatNumbertheStars

changedtheirswhentheywereyoung,thatitmadethemthinkaboutboth,cruelty（殘酷;殘忍）

andcourage."Itwassomethingthatshapedmyideaofhowpeopleshouldbetreated,"wrotea

youngwomanrecently,tellingme.aboutherownfourth-gradeexperiencewiththebook.

TheDanishfriendwhofirsttoldmethestoryofherchildhood,andwhobecamethe

Annemarieinmybook,isanoldwomannow.SoamI.Webothlovethinkingofthechildren

readingthestorytoday,comingtoitforthefirsttimeandrealizingthatonce,forashorttimeand

inasmallplace,agroupofprejudice-free（不存偏見的）peoplecreatedatouchingstoryoflove,

andkindnesstowardsothers.

LoisLowry

47.Whatisthenameofthebookandwhoisthewriter?

A.NumbertheStars;LoisLowry.B.NewberyMedal;LoisLowry.

C.NumbertheStars;Annemarie.D.NewberyMedal;Annemarie.

48.WhichofthefollowingisTRUEaboutAnnemarie?

A.ShecalledawriteronasnowyJanuarymorning.

B.Shebecamecheerfulaftershereadthebook.

C.ShewasagoodfriendofaDanishwoman.

D.Sheexperiencedmanydifficultiesinawar.

49.Manyyoungreaderstoldthewriterthatthebookmadethemthinkabout.

A.ethicsandfriendshipB.enemyandvictory

C.crueltyandcourageD.lifeandmemories

50.WhatcanweknowfromthisIntroduction?

A.Thebookisaboutastoryofthewriter'sownchildexperience.

B.Thebookiswell-receivedandpopulararoundtheworld.

C.TheIntroductioniswritteninthevoiceofthethirdperson.

D.TheIntroductioniscompleteandwecanreadallofit.

第二節(jié)：根據(jù)短文內(nèi)容，從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。（共

5小題，計5分）

Doyouknowthereasonwhywefeeltiredinthemiddleofaclass?Maybeyouwouldsayitisbecausethe

teachefsclassisboring.51Perhapsthisissomethingyouhavenotpaidenoughattentiontoornotyet

noticed.

Purposeofsleep

52Sleephelpsourbodyheal（修復(fù)）,grow,andstayhealthy.Italsogivesusenergy,sowecanbe

activeallday.Doctorsandhealthscientistssay:Whenyoucloseyoureyesandneedtrest,sleepisjustthevery

best!Thisismorethanadvice.

Seeptime

Enoughsleepisimportanttous.Howmuchsleepdoweneed?New-bornbabiessleepmostofthetime.They

cansleep20-22hoursaday.Childrenneed10-12hoursofsleepaday.Teenagersneed8-10hoursofsleepaday

becausetheyneedlotsofenergytogrowintotheiradult（成人的）bodies.Grown-upsusuallyneed6-8hoursof

sleeptokeepactive.53Thatiswhyoldpeoplesleeplessthanyoungpeople.

Interestingfacts

Almosteveryonehastheirdreamswhiletheysleep,butnotallofthemcantelltheirdreamsclearlywhenthey

wakeup.54Moresurprisingly,somemayevengetupintheirdreamsandwalkaround.Thisiscalled

“sleepwalking”.Areyouasleepwalker?Or,isthereasleepwalkeraroundyou?

55__________________

It*snotjustpeoplethatlovetosnooze（打噸）.Infact,manyanimalshaveunusualorsurprisingsleepinghabits.

Someanimals,suchasbearsandhedgehogs,sleepallthroughwinter.Theswiftisaveryfastbirdthatcansleep

whileitflies!Cutekoalassleeparound18hoursaday.Giraffesdon'tneedmuchsleepatall.Theyusuallysleep

standingup.

A.Sleepyanimals.

B.Whydoweneedsleep?

C.Somepeopletalkintheirdreams.

D.However,therealreasonisprobablythatwedon*thaveenoughsleep.

E.Theolderyouget,thelesssleepyouwillneed.

F.Somepeopleneverdreamwhiletheysleep.

G.Cleveranimals

V.完成句子：根據(jù)所給漢語意思，用單詞或短語完成下列英文

56.我希望學(xué)生們的書包輕一點兒。

Ihopestudents'willbelighter.

57.李琳給朋友送了一個紅色的杯子作為禮物。

LiLingaveherfriendasapresent.

58.他們倆出生在同一天。

Theywereborn.

59.她已吃完了盤子里所有的食物。

Shehasalreadyallthefoodonherplate.

60.世界人民將永遠深切懷念雜交水稻之父袁隆平。

ThepeoplearoundtheworldwillYuanLongping,theFatherofHybridRice

forever.

VI.短文填空：用方框中所給單詞的適當(dāng)形式填空，使短文完整正確。（每個單詞限用一次，每空限填一個

單詞。）（共10小題，計10分）

hewinhourswimfatherseemunluckyhardtalkend

RickHoytisAmericanandhehasagoodjobattheUniversityofBoston.61.

,heisinawheelchairbecauseofaseriousillness.Hecan't62._______

eitherandheusesacomputerfordailycommunication.However,helovessportand

wantstochallenge63.intriathlon-asportscompetitioninwhichpeople

swim4kilometers,bike180kilometersandrun42kilometers.HowcanRickmakeit

ashecan'tswim,bikeorrunandsitsinawheelchair?It64.tobean

impossibledreamforhimtorealize.

Rickcantakepartbecausehedoesitwithhisfather,DickHoyt.Together,theytrytheirbesttodothe65.

taskintheirlife-intherunning,hisfatherpusheshiminhiswheelchair;inthe66.,Rickliesin

asmallboatandhisfatherswimsandpullshim;inthecyclingRicksitsinaspecialseatonthefrontofhis67.

___________bike.

Ofcourse,theHoytsneverwintherace.Thewinnerofatriathlonusuallycompletesitinaboutnine

68.,buttheHoytstakemuchlongertime."That'sright,Msaysthefather.uWeneverwin.ButRickandI

thinkthatwealwayswin."

Nowthefatherandsonhave69.therespect（尊敬）ofmanypeople.Andtheir70.

couragealsosetsagodexampleforusall.Itsendsoutthemessagehowimportantitisthatwebelieveinourselves

andnevergiveup.

W.任務(wù)型閱讀：閱讀下面材料，根據(jù)材料內(nèi)容，完成下列各題。（共5小題;計10分）

[SilrOP2°19-2021

HAVEVACCINE,STAYSAFE

*TheWorldHealthOrganization（WHO）says/NotVP

enoughisknownaboutG0[VID-19todraw

conclusions（結(jié)論）abouthowitpasses^firompersoff■

toperson,howitworksandcbangoi）how,itc^bc\^

bestavoided,ontthe.extenttowHichiiChaaspread.",

WcdonUknowbow.longitwilllast?Safbvaccine.

iswell-developedand-ii*isthedoctor'sadvice

toreceiveitforourowngood.Tofightthevims,EX［酬僦黑

countriesneedtoworktogether..Y

￡HomeworkfromXueMingyu

ClassltGrade9

71.Whatdoesthewritermostlywanttoexpressinhisposter?

Hecallson（號召）thereaderstoCOVID-19.

72.Whocreatedthisposterandwhatwasitmadeas?

Itwascreatedbyastudentnamedandmadeashis

73.Whichwordmeans"疫苗"inthepassage?

Itis.

74.Whatshouldcountriesdoaccordingtothestudent?

Hethinkscountriesshould.

75.WhydidthestudentchoosetheWHO'swordsforhisposter?

HewantedtoletreadersknowtheofCOVID-19.

VID.補全對話（共5小題，計5分）

根據(jù)下面對話中的情境，在每個空白處填入一個適當(dāng)?shù)恼Z句，使對話恢復(fù)完整。

A:Morning,WangJuan.

B：76._______________

A:Iheardthatyouwonthefirstprizeinthespeechcompetitionofyourschool.Congratulations!

B:Thankyou.YouknowJuly1thisyearisourParty's100thbirthday.Wehadthespeechcompetitionfor

celebratingit.

A:77.?

B:Yes.ItalkedaboutthehistoryofourgreatPartyandthegreatchangesinourcountryinmyspeech.

A:Oh,wearealsopreparingsomeactivitiesforitthesedays.

B:78?

A:Anartshowandabigsingingcompetition.

B:Asingingcompetition?79.?

A:ItwillbeheldontheafternoonofJune25.

B:Ilikesinging.CanIwatchit?

A:80..Youcancometomyschoolat200thatdayandwe'llmeetattheschoolgate.B:OK.

Seeyouthen.

A:Seeyou.

IX.書面表達（共1題，計15分）

人們常說：”服務(wù)他人，快樂自己?！蹦銣?zhǔn)備利用即將到來的暑假去社區(qū)做一些服務(wù)工作。請根據(jù)以下表格提

示內(nèi)容，給你們學(xué)校的英文報寫一篇短文，介紹你的計劃。

PlacesActivities

Communitycenterhelptheold,singsongs,tellstories,..

Communityhospital（s）handouttheleaflets（宣傳冊）onCOVID-19,…

Communitypark(s)pickuprubbish,waterflowers,..

要求：

1.參考表格提示內(nèi)容，可適當(dāng)發(fā)揮；

2.語句通順，意思連貫，書寫工整；

3.文章不得出現(xiàn)你的任何真實信息（姓名、校名和地名等）；

4.詞數(shù)：不少于70詞。（開頭和結(jié)尾已給出，但不計入總詞數(shù)。）

Asweallknow,"Servingotherscanbringushappiness."Summerholidayiscoming,I'll

I'msureI'llhaveameaningfulholidaythissummer.

答案：

1-5ABCBC6-10BACAC11-15ABACB

16.China17.7/seven18.gohome19.message20.bycar

21-25CBCAA26-30CDCBD

31-35ADCAB36-40BDDBA

41-43BCA44-46BCA47-50ADCB

51-55DBECA

56.bags/schoolbags(schoolbags)/backpacks

57.aredcup/glass

58.onthesameday/date

59.eatenup/finished(eating)/finishedoff/up

60.deeply(或greatly)remember/miss

61.Unluckily62.talk63.himself64.seems65.hardest/hard

66.swimming67.father's68.hours69.won70.endless

71.stop/fight(against)/prevent/avoidWcbe/stay/keepawayfrom

72.XueMingyuhomework

73.vaccine

74.worktogether

75.facts/information/situation(s)

76.Goodmorning

77.Can/Couldyoutellme(more)aboutyourspeech/whatyourspeechwasabout?

78.Whatactivities(arethey/areyoupreparing)

79.Whenwillyoursingingcompetition/itbeheld

80.Sure/Noproblem/Ofcourse

81.Asweallknow,"Servingotherscanbringushappiness."Summerholidayiscoming,Tildosomeserviceinmy

communitytomakeitbetter.First,I'llgotoourcommunitycentertohelpandcheeruptheoldpeople.Forexample,

Icansingsongsortellthemsomeinterestingstories.Second,FmgoingtohandouttheleafletsonCOVID-19at

ourcommunityhospitalorotherplaces.Next,I'malsoplanningtopickupandsortrubbishwithmyfriendsinour

communitypark.What'smore,Ihelpthekidswiththeirlessonsandlookafterthemaswell.

FmsureI'llhaveameaningfulholidaythissummer.

2021年中考數(shù)學(xué)試卷

一、選擇題：本大題共12小題，每小題3分，共36分，在每小題給出的四個選項中，只有一項是符合題

目要求的，把正確答案的標(biāo)號填（涂）在答題卡內(nèi)相應(yīng)的位置上.

1.計算：-1+2的結(jié)果是（）

A.1B.-1C.3D.-3

2.我市今年中考報名人數(shù)接近101000人，將數(shù)據(jù)101000用科學(xué)記數(shù)法表示是（）

A.10.1X104B.1.01X105C.1.01X106D.0.101X106

3.如圖是某幾何體的三視圖，則該幾何體是（)

A.圓錐B.圓柱C.長方體D.三棱柱

4.下列計算正確的是（）

A.rz5+ii5=a10B.-3(a-b)-3a-3b

C.(曲一3=加3D.+a2=a4

5.甲、乙兩人進行飛鏢比賽，每人各投6次，他們的成績?nèi)缦卤恚▎挝唬涵h(huán)）:

甲6,7,8,8,9,9

乙5,6,x,9,9,10

如果兩人的比賽成績的中位數(shù)相同，那么乙的第三次成績x是（）

A.6環(huán)B.7環(huán)C.8環(huán)D.9環(huán)

6.如圖，/XABC底邊BC上的高為〃1,△PQR底邊QR上的高為也，則有（）

C.h\>hiD.以上都有可能

7.學(xué)習(xí)圓的性質(zhì)后，小銘與小熹就討論起來，小銘說：“被直徑平分的弦也與直徑垂直”，小熹說：“用反

例就能說明這是假命題”.下列判斷正確的是（）

A.兩人說的都對

B.小銘說的對，小熹說的反例不存在

C.兩人說的都不對

D.小銘說的不對，小熹說的反例存在

8.一個不透明的盒子中裝有2個黑球和4個白球，這些球除顏色外其他均相同，從中任意摸出3個球，下

列事件為必然事件的是（）

A.至少有1個白球B.至少有2個白球

C.至少有1個黑球D.至少有2個黑球

9.已知關(guān)于x的一元二次方程：/-2x+機=0有兩個不相等的實數(shù)根xi,%2,貝I（）

A.X]+X2<0B.XlX2<0C.X\X2>-1D.XIX2<1

10.一個四邊形順次添加下列條件中的三個條件便得到正方形：

a.兩組對邊分別相等

b.一組對邊平行且相等

C.一組鄰邊相等

d.一個角是直角

順次添加的條件：①a-c-d②b—d—e@a-'-b-c

則正確的是（）

二丁添加條件

四邊形正方形

A.僅①B.僅③C.①②D.②③

11.觀察下列樹枝分杈的規(guī)律圖，若第，z個圖樹枝數(shù)用％表示，則冷-冷=（）

第1個圖力=1第2個圖&=3第3個圖力=7第4個圖居=15

A.15X24B.31X24C.33X24D.63X24

12.圖⑴,在RtZ\ABC中，ZA=90°，點戶從點A出發(fā)，沿三角形的邊以1c加秒的速度逆時針運動一

周，圖（2）是點尸運動時，線段AP的長度y（cm）隨運動時間x（秒）變化的關(guān)系圖象，則圖（2）中

P點的坐標(biāo)是（)

D.(13,5.5)

二、填空題：本大題共6小題，每小題3分,共18分。把答案填在答題卡中的橫線上。

13.4的相反數(shù)是

14.8的立方根是

15.方程工一的解是

x-12x-2

16.如圖，某港口P位于東西方向的海岸線上，甲、乙輪船同時離開港口，各自沿一固定方向航行，甲、

乙輪船每小時分別航行12海里和16海里，1