2021年青海省中考英語真題

青海省2021年初中畢業(yè)升學(xué)考試

英語試卷

（本試卷滿分120分，考試時(shí)間120分鐘）

注意事項(xiàng)：

1.答卷前將密封線內(nèi)的項(xiàng)目填寫清楚。

2.玉樹、果洛、黃南、海北州考生請?jiān)诖痤}卡上作答，其他地區(qū)考生用鋼筆或中性筆直接答在試卷相應(yīng)題

號(hào)的表格內(nèi)或橫線上。

第I卷（聽力及選擇題）

I.聽力測試（共四大題，計(jì)20分）

A.聽句子，從A、B、C三個(gè)選項(xiàng)中選出與所聽句子相對應(yīng)的圖片。每個(gè)句子僅讀一遍。（每小題1分，共

5分）

B.聽句子，選擇最佳答語。每個(gè)句子讀一遍。（每小題1分,共5分）

6.A.No,Ididn't.B.Ofcourse,Ido.C.Yes,Iwill.

7.A.Byreading.B.I'mfromEngland.C.IlikeEnglishmovies.

8.A.Mypleasure.B.OK.C.Itdoesn'tmatter.

9.A.Itotallyagree.B.Don'tworry.C.Smokingisabadhabit.

10.A.It'sinteresting.B.Soundsgood.C.Youarewelcome.

c.聽下面五段對話和對話后的問題，選擇正確答案。每段對話和問題讀兩遍。（每小題1

分，共5分）

11.A.Difficult.B.Boring.C.Interesting.

12.A.Inarestaurant.B.Athome.C.Inacakestore.

13.A.Askingforhelp.B.Makinganinvitation.C.Expressinghisthanks.

14.A.It'stoocheap.B.Ifsbeautiful.

C.It'sbeautifulonlyifitgoeswiththepants.

D.聽下面一段獨(dú)白，根據(jù)所聽內(nèi)容完成思維導(dǎo)圖，每空一詞。獨(dú)白讀兩遍。（每小題1分，共5分）

----海

-----Thu-m-bs-up&----Tbesign

InJapan,it'sa17.____signwhiletakingphotos.In

InAmerica,itmeans“great”.InGermany,it

theUK,AustraliaandSouthAfrica,it'srodewhen

means16.?InsomeMiddleEastern

the18.____ofthehandisfiicingtheotherperson.

countries,it'srude.

Somehandgestures（手勢語）

、

Thedogcall包”ThePKsign

IntheUS,itisusedtocallsomeonetocomeInAmerica,itmeans^Okay".InJapan,Itmeans

closer.Inmost19..countries,itisused20.____.InFrance,itmeans“zero"or**nothing*'.

tocallpets.

16.17.18.19.20.

n.單項(xiàng)選擇（每小題1分，共20分）

從A、B、C三個(gè)選項(xiàng)中選出一個(gè)最佳答案填入空白處。

21.hard-workingpersonwillhavemoreopportunitiestosucceed.

A.AB.TheC./

22.Eachchildcanonlyhandinonepieceofworkinthedrawingcompetition.

A.himselfB.herselfC.themselves

23.Iwalkaroundinthissmalltown,whatIseemakesmethinkofmychildhood.

A.WhateverB.WhereverC.Whoever

24.Look!Thesunisshiningdirectlyintothecar.You'dbetterparkitthetree.

A.underB.infrontofC.behind

25.―ChinesegovernmenthascontrolledCOVID-19.

—Ithinkso.Chinaistheonlycountrythatallowsmillionsofpeopletravelingaroundduringholidays.

A.successfulB.moresuccessfullyC.mostsuccessfully

26.一Lucy,youstilllookpale,howaboutyourstomachache?

—I'vetakensomemedicine,butitdoesn'twork.Igotoseeadoctor..

A.mustB.shouldC.can

27.一Ilostmycellphoneintheshoppingmallyesterday.

—WhynotgototheLostandFound?Theyone.

A.foundB.havefoundC.hadfound

28.一Jennywastalentofbeingasinger.

—You'reright.Shesangwellwhenshewasalittlegirl.

A.bornwithB.thirstyforC.satisfiedwith

29.—YuanLongping,thefatherofhybridrice,passedawayonMay22.

-sadnews!Hisdeathisahugelossforourcountry.

A.HowB.WhataC.What

30.Momiscookingchickensoup,itsogood.

A.soundsB.tastesC.smell

31.—Thegovernmenthasdevelopedthelaw.

一Yeah,lotsofrestaurantsencouragepeopletocleartheplates.

A.tokeeprestaurantscleanB.toprotectpeopleC.tostopfoodwaste.

32.Tomeveryday.

一Really?Butwhyishesoweaknow?

A.usedtoexerciseB.isusedtoexercisingC.usedtostayuplate

33.—Wouldyouliketotalkaboutinthesummerholiday?

—I'mgoingtobeavolunteerinourneighborhood.

A.howyouwilldoB.whatyouwilldoC.whereyouwillgo

34.—Studentsbegintopaymoreattentiontosubjectsofarteducation.

—That'strue.Theyinseniorhighschoolentranceexamination.

A.aretestedB.weretestedC.willbetested

35.一Couldyoupleasesomeideasfordealingwithstudents*problems?

—Yes,lesshomeworkandmoreoutdooractivitiesmaybegoodways.

A.comeupwithB.lookbackatC.tryout

36.ChakaSaltLakeisknownasMirroroftheSkyinterestsmoreandmoretourists.

A.whereB.whichC.who

37.—Paulisbadlyhurtontheplayground.Let'shelphimup.

一Don'tmovehimyouknowsomefirst-aidknowledge.

A.unlessB.ifC.until

38.一Youaretheonlyonewhoswimseverydayinyourclass,aren'tyou?

——Yes,ithelpsmekeepsothatIcanworkharder.

A.differentB.independentC.fit

39.—Mom,canIhavethepinkskirtandthewhiteshirt?Ilikethemverymuch.

一Sony,baby.Theycosttoomuch,butyoucanchoosetheskirttheshirt.

A.both,andB.either,orC.neither,nor

40.—IwasallwetwhenIwenttothezooyesterday.

A.Soundsterrible.B.Fmsorrytohearthat.C.You'resolucky.

in.完形填空（io小題，計(jì)io分）

閱讀短文，從A、B、C、D四個(gè)選項(xiàng)中找出一個(gè)最佳的選項(xiàng)填空，使短文完整、通順。（每小題1分，共10

分）

“Twinkletwinklelittlestar,howIwonderwhatyouare..."Jimmywassinginghappilywithhisfriends.He

laughedandthenstartedtotellstoriestothem.

41,thiswouldneverhappeninreallife.Myeight-year-oldbrother,Jimmy,isanautistic（自閉癥的）child.

Hedoesn'tknowhowtochatwithothersandcan'teven42byhimself.Healsohasdifficultyfollowinghis

teachersinclass.Thesethingsmakehimfeel43atschool.

MomtookJimmytothehospitaltogetmoretreatment.Butit44verywell.Jimmystilldoesn'tknowhow

tobehaveatschool.Hecan,tlistentotheteacheranddoesn'tunderstandwhattodo.Healwaysforgetstobringhis

thingshomeandevenloseshisbooks.Mymomisalwaysworried,butwhenshetalksaboutJimmy,shestill

45—itseemsthatsheisstill46herson.

47Jimmy'ssister,Iamalsoworriedabouthim.Iheardthatsomestudentsencouragehimtomisbehaveand

thenlaughathim.Theboysevenstole48pencilsandhidtheminJimmy'sbag.Thentheytoldtheteacherthat

Jimmystolethem.

EverytimeIhearaboutthesethings,Iamvery49,butmymomasksmenotto.ShesaysthatJimmydoesn't

50itatall.Heisalwayssmiling,eventhoughlifeishardforhim.IlovehimandIhopethingswillgetbetter

soonandhewillgrowuphappily.

41.A.ThenB.HoweverC.AndD.Although

42.A.gotoschoolB.staywitho由ersC.doanythingsD.domanythings

43.A.lonelyB.disappointedC.woiTiedD.happy

44.A.hasn*tdoneB.hasn'tworkedC.gotD.did

45.A.getsexcitedB.getsmadC.smilesD.cries

46.A.proudofB.thankfultoC.hardonD.responsiblefor

47.A.WithB.ToC.ForD.As

48.A.Jimmy'sB.hisC.others'D.their

49.A.upsetB.puzzledC.strangeD.pleasant

50.A.havealookatB.careaboutC.hideD.hate

IV.閱讀理解（共三節(jié),15小題，計(jì)30分）

A

AblockbusterwithwarmthViewingtheLouvreonlineFoodFestivalisontheway

Ifyou'reamoviefan,whynotVisitingLouvrewithoutComeandtastehundredsof

comeandenjoythehotmoviebookingatriptoFrancecanniceQinghailocalfoodfor

—Hi,Mom.beanamazingexperience.foodiesallovertheworld.

Date:June25-28?480,000worksofartDate:June25-July24

Time:9:30,14:30,19:30areavailabletolookTime:12:00^24:00

Place:GuangMingCinematrough.Place:TangDao637,Xi'ning

Price:Adult:￥50.Teenswith?Date:June26-July2Coollightshowfrom9:00to

schoolIDcardhalfprice.For?Freeviewingvia10:00everynight.

moreinformation:computersandDon'tmissthechance!

Tel:0971-86666smartphones.Formoreinformation,visit

ScantheQRcodefor.

loggingin.粵礴昌

____RE，

根據(jù)廠告信息，選擇取佳答案。2分，共

51.Thepriceofthemovieticketforschoolteenagersis.

A.￥50B.￥25C.freeofchargeD.notmentioned

52.ThepurposeofviewingtheLouvreonlineisprobablytomakepeople.

A.takeatriptoFranceB.viewtheartworkswithsurprise

C.gototheLouvreD.lookthroughtheartworksathome

53.Theonlineartshowwilllastfor.

A.anhourB.threedaysC.aweekD.amonth

54.Youcangetmoreinformationaboutfoodfestivalby.

A.visitingthewebsiteB.askingthelocalpeople

C.callingthehotlineD.scanningtheQRcode

55.IfyouareavailableonthemorningofJune25,youcan.

A.enjoythelightshowB.gotothefoodfestival

C.gotothecinemaD.viewtheLouvre

B

It*sbeenoverayearsinceCOVID-19firstappearedandtheviruscontinuestobeaprobleminmanypartsof

theworld,scientistshaverealizedthedevelopmentofvaccines（疫苗）isasolutiontothepandemic.Aglobal

efforttovaccinateasmanypeopleaspossiblewouldbeneeded,sincevaccinestypicallytakeyearstodevelop.

OnDec2,2020,thefirstCOVIDvaccine,thePfizervaccine,was即proved（批準(zhǔn)）byUK

healthdepartment.However,thesevaccinesmustbestoredatverylowtemperatures,whichisnotpossible

everywhere.Inresponse,ChinesecompanieslikeSinopharmandSinovaehavedevelopedvaccinesthatcanbekept

atnormaltemperatures.

Now,vaccinesarebeingrolledoutallovertheworld,withmillionsofpeoplebeingvaccinatedeveryday.In

China,285millionvaccinedoses（劑量）hadbeengivensofar.Meanwhile,theUShasgivenout247million

doses.TheUKnowstandsat50milliondoses.

Althoughtherehavebeenrumorsaboutvaccinesbeingunsafe,mostofpeopleseemtorealizetheimportance

ofvaccinationforbuildingmassimmunity（群體免疫）inordertostopthevimsfromspreading.Theworldhas

cometounderstandthatthevaccineswillprotectus.Therefore,sharingvaccineshasbecomeakeyfactorofstaying

safeandhealthyworldwide.

Unfortunately,noteveryonecangetthevaccineyet.Childrenbelowtheaceof16can'tbevaccinated

becausetheyhavenotyetbeentestedonthem.Thosewhohaveahistoryofvaccineallergies（過敏）shouldn't

getit,either.

根據(jù)短文內(nèi)容，選擇最佳答案。（每小題2分，共10分）

56.Thevaccinedevelopedbycannotbestoredatnormaltemperatures.

A.UKhealthdepartmentB.SinopharmC.SinovacD.Pfizer

57.Accordingtothepassage,millionvaccinedoseshadbeengivensofarinChina.

A.50B.247C.285D.582

58.Inparagraph4,theunderlinedword"rumors"probablymeans.

A.謊言B.謠言C.建議D.騙局

59.Thepurposeforvaccinatingasmanypeopleaspossibleisto.

A.buildmassimmunityB.sharethevaccines

C.developvaccinesquicklyD.geteveryonevaccinated

60.Inparagraph5,theword"they"intheunderlinedsentencerefersto.

A.childrenB.companiesC.vaccinesD.experts

C

Doyoustillhugyourparents?Howdoyoufeelwhenyouhugthem?Whendoyouneedahugthemost?

ItwasacoldNovembermorningseveralyearsago.Myalarmclockhadjustgoneoff,butIwashavingtrouble

gettingoutofbed.Mydadhaddiedafewweeksbefore.Ifeltweigheddownbysadnessanddepression.

Toughandstrong,mydadhadworkedsohardallofhislifetosupportus.Hewouldsometimesshoutatmy

brothersandme,butIalwaysknewthathelovedme.Still,hehadbeenraised（養(yǎng)育）inatraditionalwayand

raisedusthatwaytoo.Icouldn'tremember,forexample,everbeinghuggedbyhim.

Aftermymomandgrandmapassedaway,mydadmovedintograndma'shome.Iwassohappytohavehim

closeby.Iwouldoftenvisithimandjusttalkwithhimaboutlife.Butwestillseldomtouchedandneverhugged.

Finallyhisownhealthbegantorapidlyfailandwithinafewmonthsheleftus.Itwasacoldmorningwhenwehad

hisservice（追悼會(huì)），butIwastoocoldinsidemyselftofeelit.Icouldn'trememberwhenwe'dhadourlasthug.

Isighed（嘆氣）andgotoutofmybed.Iturnedonthelightsandwalkedintothehallway.IsawmysonJim

walkingdownthehalltomeetme.Suddenly,heopenedhisarmsandgavemeaheart-felthug.Andjustashedid,I

heardmydad'svoicedeepinsideofmesay,"Joey,thishugisfromme!'*Icriedandsmiledatthesametime.In

thatmoment,intheplacewhereheart,mind,andspiritallmeet,Ifeltloved.Ifeltlovedbymydad.Ifeltlovedby

life.

根據(jù)短文內(nèi)容，選擇最佳答案。（每小題2分，共I。分）

61.Thewriterfeltdownbecause.

A.hewascoldB.hisalarmclockdidn'tgooff

C.hehadtroublegettingupD.hisdadhaddied

62.Whatdidthewriterthinkofhisfather?

A.Toughandstrong.B.Hard-working.C.Fulloflove.D.Alloftheabove.

63.WhichofthefollowingisNOTtrueaccordingtoparagraph4?

A.Hetalkedabouteverythingwithhisfather.

B.Helivednearhisfather.

C.Hisfathergotserioushealthproblem.

D.Hefeltsosadintheservice.

64.Thepassageimplies（暗示）that.

A.kidsshouldn'tberaisedinatraditionalway

B.parentsshouldsetgoodexamplesforchildren

C.loveneedstobeexpressed

D.familymembersneedtounderstandeachother

65.What'sthebesttitleforthepassage?

A.Sadbutmoved.B.Sometimespeopleneedahug.

C.Afatherwhodoesn'tknowlove.D.Missingmyfather.

V.補(bǔ)全對話（共5小題，計(jì)10分）

根據(jù)對話內(nèi)容，從方框中選出能填入空白處的最佳選項(xiàng)。（其中兩個(gè)選項(xiàng)為多余選項(xiàng)）（每小題2分，共10

分）

A:DoyouknowChinaBrandDay?

B:66.What'stheDayfor?

A:67.Inthepast,"madeinChina1'justmadepeoplethinkofcheap,low-qualityproducts.

68.B:Iagree.Chinesebrandsaregoingglobalandbeingwidelyaccepted.

A:Exactly.69._____________

B:Yes.Ioftenbuysomeshoesandclothesofthesebrands,theyareatgoodprices,butreallyniceandofhigh

quality.

A:70.IbelievemoreChinesewillsupportourownbrandslikeyou.

A.Cool!

B.FormakingpeopleknowaboutChinesebrandsallovertheworld.

C.Becausetheyareaffordable.

D.SomesportsbrandslikeHuiliandLi-Ninghavegotglobalattention.

E.What?Eveneverheardofit.

F.TikTokisanotherbigtechnologybrand.

G.Butithaschangednow.

第II卷（非選擇題）

VI.詞匯運(yùn)用。

用方框中所給詞的適當(dāng)形式填空，使短文完整、通順。（每空1分，共5分）

manyonerealhelphand

Likemanykids,Alanisafanofscience.Butthis14-year-oldeighth-graderusedhisscienceskills

71.others.Hecreatedthreeprosthetic（假體的）72.usinga3Dprinterduringhisafter-school

program.Hedesignedthe73.handforpractice.Thesecondonewasdesignedfbra6-year-oldboy,and

thethirdwasmadeforadisabledteacherathisschool.Combininghisloveofscienceandhiswillingnesstohelp

others,Alanplanstomakeone74.handbeforetheyearends.He75.wantstodosomething

goodandhelpsmorepeople.

VIL閱讀表達(dá)：

根據(jù)短文內(nèi)容，用符合語義及語法規(guī)則的詞填空，每空一詞。（每空1分，共10分）

Whataresomethingsinyourlifethatgiveyoutoomuchstress?Findoutwhatyoucandoaboutit.

SchoolWorkandGrades

Asastudent,schoolworkandgradesareatthetopofyourstresslist.Evenifyourschoolgradesarenotso

bad,youmaystillfearthatyoumaynotdoaswellasyouexpect.Heavilylearningburdenisanothercausefor

worry.

Whynottakeiteasybyleavingextratimetostudyandtakefrequentbreakstoavoidbeingsotired?Manage

yourtimecarefullyanddonotputthingsoff.

FriendshipsandRelationships

Haveyoueverbeenconcernedwithnothavingenoughfriends,ornotbeinginthesameclassasyourbest

friends?These,alongwithotherissuessuchaspeerpressureandinterpersonaldisagreementsandarguments,are

othercommonstress.

Itisimportanttoknowhowtochooseyourcircleoffriendswisely.Donotnhide"inyourown"nest”.Make

friendswhenyoujoinschoolactivities.Makeplanstomeetwithyourfriendsfromotherclassesduringbreaktime.

Knowthateveryoneisuniqueanddifferent-donotcompareyourselfwithothers.

PoorDietandLackofSleep

Doyouknowthateatingtoomuchfastfoodandjunkfoodcanleadtomoodchanges,lackofenergyandother

negativeeffects?Theseconveniencefoodwhichhavelessnutrition（營養(yǎng)）maycauseotherhealthissues.Some

studentssufferfromsleepproblemstoo.Whenthathappens,theybehavepoorlyinclass.

Learntomakewisefoodchoicesthatyoucanenjoy.Wellplanandarrangeyourdailyroutine.Completingall

schooltasks,goingtobedatasettimeeverynight.Avoidplayingcomputergamesorsmartphonebeforeyousleep.

Doseeadoctorifyoursleepingproblemscontinue.

76.schoolworkgradesarethemainstressforstudents.

77.Inordernotto,studentscanleaveextratimetostudyandtakefrequent

breaks.

78.Don'tcompareyourselfwithothers,youarenottheanyotherpersonintheworld.

79.Lessnutritiousfoodandsleepproblemscanmakestudentsatschool.

80.Wisefoodchoicesandhealthylifestylemayyoursleeping.

VIII.書面表達(dá)。（計(jì)15分）

假如你是李磊，你的筆友Anna給你發(fā)了電子郵件訴說她的煩惱，請根據(jù)郵件內(nèi)容進(jìn)行回復(fù)。要求：

1.邏輯清晰，內(nèi)容完整，書寫規(guī)范。

2.詞數(shù)100左右。郵件的開頭和結(jié)尾已給出，不計(jì)入詞數(shù)。

DearLiLei,

Mysisterpracticesplayingtheviolininanafter-schoolclass,somyparentsaskedmetogoand

learnittoo.ButI'mjustnotamusicgirl.Youknow,I'minterestedinsportsandIwanttochoose

whatIlike.Now,I,msoupset.WhatshouldIdo?

Anna

DearAnna,

Iunderstandyourfeeling.HereiswhatIthink.

IhopewhatIsaidishelpfultoyou.

LiLei

青海省2021年初中畢業(yè)暨升學(xué)考試英語試題

參考答案及評分標(biāo)準(zhǔn)

I.聽力測試。（每小題1分,共20分）

11-15ACBBA1-5CABAB6-10BACAB

16.one/117.popular18.back19.Asian20.money

II.單項(xiàng)選擇。（每小題1分，共20分）

21-25ACBAC26-30ABACC31-35CABCA36-40BACBB

III.完形填空。（每小題1分，共10分）

41-45BDABC46-50ADCAB

M閱讀理解。（每小題2分，共30分）

51-55BDCAC56-60DCBAC61-65DDACB

V.補(bǔ)全對話。（每小題2分，共10分）

66-70EBGDA

VI.詞匯運(yùn)用。（每小題1分，共5分）

71.tohelp72.hands73.first74.more75.really

VIL閱讀表達(dá)。（每小題2分，共10分）

76.Both,and77.be/get/become,tired78.sameas

79.behave/work/do,poorly/badly80.solve,problems

VI.書面表達(dá)。（共15分）

Apossibleversion:

DearAnna,

Iunderstandyourfeeling.HereiswhatIthink.Maybeyourparentswon*tknowhowyoufeelifyoudon'ttalkto

themaboutit.Whynothonestlyandkindlyletthemknowmusicandyouareneveragoodmatch,butsportsand

youaremadeforeachother?Meanwhile,you'dbettertellthemyouhavehadaclearlifegoalandareoldenoughto

makeyourowndecisions.Further-more,trytogetaproperchancetoprovethatyouaretalentedinsports.Only

thenwilltheyknowyoubetterandletyouchoosewhatyoulovetodo.I'msureyourparentswillbeupforhelping

youexploredifferentoptions.

IhopewhatIsaidishelpfultoyou.

LiLei

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(gè)選項(xiàng)中，只有一項(xiàng)是符合題

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

1.計(jì)算：-1+2的結(jié)果是（）

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

2.我市今年中考報(bào)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(jì)算正確的是（）

A.a5+a5=a10B.-3(a-b)=-3a-3b

C.(ab)3=ab3D.a6-^-a2=a4

5.甲、乙兩人進(jìn)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，△ABC底邊BC上的高為加，△PQR底邊QR上的高為〃2,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(gè)不透明的盒子中裝有2個(gè)黑球和4個(gè)白球，這些球除顏色外其他均相同，從中任意摸出3個(gè)球，下

列事件為必然事件的是（）

A.至少有1個(gè)白球B.至少有2個(gè)白球

C.至少有1個(gè)黑球D.至少有2個(gè)黑球

9.已知關(guān)于x的一元二次方程：/-21+〃2=0有兩個(gè)不相等的實(shí)數(shù)根xi，X2，則（）

A.Xl+X2〈0B.XlX2<0C.X\X2>-1D.X1X2<1

10.一個(gè)四邊形順次添加下列條件中的三個(gè)條件便得到正方形：

?.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(gè)角是直角

順次添加的條件：①c—d②6-"fe③a-6—c

則正確的是（）

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〃個(gè)圖樹枝數(shù)用％表示，則丫9-丫4=（）

第1個(gè)圖巧=1第2個(gè)圖&=3第3個(gè)圖力=7第4個(gè)圖％=15

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

12.圖（1）,在RtZXABC中，乙4=90°,點(diǎn)P從點(diǎn)A出發(fā)，沿三角形的邊以1cm/秒的速度逆時(shí)針運(yùn)動(dòng)一

周，圖（2）是點(diǎn)尸運(yùn)動(dòng)時(shí)，線段AP的長度y（cm）隨運(yùn)動(dòng)時(shí)間x（秒）變化的關(guān)系圖象，則圖（2）中

P點(diǎn)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x_1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(shí)離開港口，各自沿一固定方向航行，甲、

乙輪船每小時(shí)分別航行12海里和16海里，1小時(shí)后兩船分別位于點(diǎn)A,B