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1公安边防消防警卫部队院校招生统考数学模拟测试一、选择题:本大题共12小题,每小题5分,共60分,在每个小题给出的四个选项中,只有一项是符合题目要求的.1.集合22{|10},{|20}AxxxBxxx,则AB().A.1x或2xB.21xC.21xD.1x或2x2.若奇函数)(xf在区间[3,7]上是增函数且最大值为5,则)(xf在区间3,7上是().A.增函数且最小值是5B.增函数且最大值是5C.减函数且最大值是5D.减函数且最小值是53.设5log4P,4log5Q,45log(log4)R,则().A.RQPB.PRQC.QRPD.RPQ.4.在等差数列na中,2700...,200...10052515021aaaaaa,则首项1a为().A.22.5B.21.5C.20.5D.205.已知单位向量a、b,它们的夹角为3,则|2|ab的值为().A.7B.3C.10D.106.3张不同的电影票全部分给10个人,每人至多一张,则有不同分法的种数是().A.1260B.120C.240D.7207.下面列举的图形一定是平面图形的是().A.有一个角是直角的四边形B.有两个角是直角的四边形C.有三个角是直角的四边形D.有四个角是直角的四边形8.在直角坐标系里,设集合22|0,0,MmmAxByABABR是直线其中且|,NnnykxkR是直线其中,则集合,MN的关系是().A.MNB.MNC.MND.以上都不对9.2sin120等于().A.23B.23C.23D.2110.椭圆2281xy的焦点坐标是().A.(1,0)B.(0,7)C.14(,0)4D.2(0,)4211.与参数方程为()21xttyt为参数等价的普通方程为().A.214y2xB.21(01)4yx2xC.21(02)4yy2xD.21(01,02)4yxy2x12.如图三棱台111ABCABC中,已知1ABCSS,'''2ABCSS,高为h,则四面体11ACBC的体积为().A.123hSSB.113ShC.213ShD.1212()3hSSSS二、填空题:本大题共6小题,每小题5分,共30分,把答案填在题中横线上.13.若2(sincos)22,(0,)2xx,则tan.14.已知实数,xy满足2245xyy,则22xy的最大值是.15.计算2sin80cos70cos20的结果是_____________.16.在5(32)x的展开式中x的系数为_____________.17.若点(0,4),(3,2)AB,则抛物线2xy上的点到直线AB的最段距离为__________.18.三棱锥,73,10,8,6PABCPAPBPCABBCCA,则二面角PACB的大小为______________.三、解答题:本大题共5小题,共60分,其中第19,20小题每题10分,第21小题12分第22,23题每小题14分,解答应写出文字说明,证明过程或演算步骤.19.(本小题满分10分)已知11cos(),cos()53ABAB,求tantanAB的值.A1C1B1320.(本小题满分10分)一个有穷等比数列的首项为1,项数为偶数,如果其奇数项的和为85,偶数项的和为170,求此数列的公比和项数.21.(本小题满分12分)已知22()444fxxaxaa在区间0,1内有一最大值5,求a的值.22.(本小题满分14分)双曲线与椭圆有共同的焦点12(0,5),(0,5)FF,点(3,4)P是双曲线的渐近线与椭圆的一个交点,求渐近线与椭圆的方程.423.(本小题满分14分)已知长方体1111DCBAABCD.(1)求证://1BC平面11DAB;(2)若E、F分别是BDCD,1的中点,则//EF平面11AADD.ADBC1A1C1D1BEF5公安边防消防警卫部队院校招生文化统考英语模拟试卷第一部分:英语知识运用(共三节,满分45分)第一节:语音辨析(共5小题;每小题1分,满分5分)选出下列各组单词中划线部分读音与其他三个不同的一项。()1.A.ownB.followC.knowD.knowledge()2.A.fearB.dearC.disappearD.bear()3.A.matterB.gatherC.fatherD.rapid()4.A.theyB.thisC.thatD.thing()5.A.angryB.cryC.armyD.copy第二节:单项选择(共30小题;每小题1分,满分30分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。6.Thereisapicture_____myfamilyonthewall.A.ofB.upC.afterD.to7.Somethingiswrongwithmy______.Ican’tseeanythingaroundme.A.noseB.earsC.eyesD.mouth8.---Alice,isthisyourdictionary?---Letmesee.Oh,no.______isinmyschoolbag.A.MyselfB.MeC.MyD.Mine9.LastSundaymyaunt______athomewithme.WewerewatchingTVallday.A.wasB.wereC.isD.are10.---MustIcleantheroomnow?---No,you_______.Youcandoittomorrow.A.mustn’tB.mustC.needn’tD.need11.---Areyougoodathistory,Rose?---_______.ButIwilltrytostudyitwellthisterm.A.That’sallrightB.NotverygoodC.NoproblemD.Quitewell12.Jane,pleaseturnoffthelights______youleavetheclassroom.A.afterB.beforeC.untilD.but13.---_______haveyoubeenawayfromyourhometown,Janet?---Since5yearsago.A.HowmanyB.HowlongC.HowmuchD.Howoften14.---WhodidEnglishhomeworkbetter,LeoorNick?---Leowasmorecareful.IthinkLeodid________Nick.A.asgoodasB.aswellasC.betterthanD.worsethan15.Igotabeautifulbikeon______birthday.Ilikeitverymuch.A.fifteenthB.fifteenC.myfifteenD.myfifteenth16.---Theradio______thattherewillbeanotherheavyraininGuangdong.---Toobad.Ithasrainedforthewholeweek.A.tellsB.talksC.saysD.speaks17.James,I’mtootired.Let’sstop_______arest.A.havingB.haveC.tohavingD.tohave18.Theycameheretohaveameetingontime,________?A.didn’ttheyB.didtheyC.don’ttheyD.dothey19.---Look!It’srainingheavily.______takearaincoatwithyou?6---Well,I’lltakeonerightnow.A.WhynotB.Whydon’tC.WouldyoumindD.Wouldyoulike20.---Mark,pleasedon’tplaybasketballontheroad.It’sverydangerous.---_________.Iamgoinghomeatonce.A.HaveagreattimeB.Sorry,Iwon’tdothatC.I’dliketoD.OK,withpleasure21.---Idon’thaveenoughmoney.Thiswatchistooexpensive.---Look,therearesomemoreoverthere.They’re______andnice.A.bigB.oldC.smallD.cheap22.Ifyou_____tothe2010ShanghaiExponextmonth,Iwillgowithyou.A.goB.hasgoneC.willgoD.aregoing23.---Hello,thisisTinaspeaking.IsthatSam?---Sorry,heisn’thereatthismoment.__________?A.CanItakeamessageB.WhatareyousayingtoTinaC.MayIspeaktoSamD.Who’sthatspeaking24.---David,lookatthemaninwhiteoverthere.Canyoutellme_______?---Heisadoctor.A.WhoisheB.whoheisC.whatisheD.whatheis25.---Steven,couldyouhelpme______whentheplanewilltakeoffontheInternet?---I’msorry,mycomputerdoesn’twork.A.getonB.findoutC.lookforD.lookafter26.一ShallwepayvisittoExpo2010,Shanghai?一No,I'dratherstayathomeandplayfootballAa;theBthe;aC不填,theDa,不填27.TohelpTommylearnbetter,hisparentshavedonetheycould:cards,tapes,speciallearningcenters,inshort,everythingtheycanthinkof.AbothBallCnoneDneither28.—Excuseme,sir.Theshoesareabitsmallforme—Don’tworry.I’llchangethemfora——sizeAsmallerBsmallestClargerDlargest29.Fatheroftentellsme——toomuchtimeoncomputergames.Adon’tspendBnotspendCnottospendDnotspending30.it'sdifficulttomakeherdreamcometrue,shenevergivesupAThoughBUnlessCBecauseDIf31.Joe,myclosefriend,movedtoBeijingyearsago,andIhimsincethen.Adon’tseeBdidn’tseeChaven’tseenDwon’tsee32.IoftenlaughwhenIseemygrandmalearningpopsongsButshesays,“Oneisneveroldtolearn’’AtooBsoCveryDquite33.RebuildinginYushubegansoonaltertheearthquake,anditwilll
本文标题:XXXX年公安边防消防警卫部队模拟测试
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