2015-2022年海南经贸职业技术学院高职单招语文／数学／英语笔试参考题库含答案解析

2015-2022年海南经贸职业技术学院高职单招语文／数学／英语笔试参考题库含答案解析（图片大小可自由调整）第1卷一.数学题库(共25题)1.设是双曲线x29-y216=1P的面积．2.抛物线y=x2的焦点坐标是（A．(，0)）B．(0，)3.已知＜|z2|4.已知向量=(1，2)，=(2，x)，且=-1，则x的值等于（）A．B．C．D．5.已知点，α∈(0，π)，则与的夹角为（）A．B．C．D．P作⊙O的割线PAB与切线的平分线分别与相交于点C、D，若∠AEB=30°，则∠PCE=______．7.根据一组数据判断是否线性相关时，应选用（A．散点图）B．茎叶图C．频率分布直方图D．频率分布折线图8.若方程Ax+By+C=0表示与两条坐标轴都相交的直线，则（A．A≠0B≠0C≠0）B．A≠0B≠0C．B≠0C≠0D．A≠0C≠09.直线y=1与直线y=3x+3的夹角为______10.因为样本是总体的一部分，是由某些个体所组成的，尽管对总体具有一定的代表性，但并不等于总体，为什么不把所有个体考查一遍，使样本就是总体？11.某航空公司经营下：AB为2000元；AC为1600元；AD为2500元；CD为900元；BC为1200元，若这家公司规定的BD（）A．1500元B．1400元C．1200元D．1000元12.下面程序框图输出的S表示什么？虚线框表示什么结构？13.设x轴上有一点x等于（A．0）B．6C．0或6D．0或-614.已知正方体ABCD-A1B1C1D1，点E，F分别是上底面A1C1和侧面CD1的中心，求下列各式中的x，y的值：（1）AC1=x(AB+BC+CC1)，则x=______；（2）AE=AA1+xAB+yAD，则x=______，y=______；（3）AF=AD+xAB+yAA1，则x=______，y=______．15.某公司一年购买某种货物400吨，每次都购买x吨，运费为4万元/次，一年的总存储费用为4x万元，要使一年的总运费与总存储费用之和最小，则x=______吨．16.已知椭圆C经过点P(43，13)．（I）求椭圆C的离心率：求点Q的轨迹方程．18.如图，AB，AC分别是⊙O的切线和割线，且∠C=45°，∠BDA=60°，CD=6，则切线AB的长是______．19.若向量a=(4，2，-4)，b=(6，-3，2)，则(2a-3b)•(a+2b)=______．20.已知定直线l及定点A（A不在l为过点A且垂直于l的直线，设N为l上任意一点，线段AN的垂直平分线交n于B，点B关于AN的对称点为P，求证：点P的轨迹为抛物线．21.如图是将二进制数11111（2）化为十进制数的一个程序框图，判断框内应填入的条件是（）A．i≤5B．i≤4C．i＞5D．i＞4（a，b）在直线x+y=5左下方的概率为（）A．16B．56C．112D．111223.如图，在△ABC中，∠ACB=90°，AB=8，∠BAC=60°，PC⊥平面ABC，PC=4，M为AB边上的一个动点，求PM的最小值．24.已知向量a与向量的夹角为1≤m≤2，0≤n≤2最大值为______．25.已知a，b，c∈R+，且a+b+c=1，求3a+1+3b+1+3c+1的最大值．二.语文题库(共20题)1.依次填入下列横线处的语句，与上下文衔接最恰当的一组是（）C．刘言的记忆能力比李莉强，李莉的理解能力比刘言强D．李莉的记忆能力没有刘言好，刘言的理解能力没有李莉强2.下列各句中划线的熟语运用不正确的一项是[愈深，然而，令人不解，也让人啼笑皆非的是，电影节却愈办愈多，愈办愈大。B．他万万没料到自己能遇到李继这样善良宽厚而又博学多才的恩师，幸得他慷慨解囊，在自己困难时相濡以沫，自己的学业才得以完成。D．这老爷子对今天的一切都看不顺眼，成天慨叹着人心不古，世风日下。3.请在保留主要信息的基础上，将下面一则手机短信压缩到15字以内。可以给我打电话。___________________________________________________________________________4.下列各组词语中，没有错别字的一组是（）A．蛰伏、寻章摘句、厮打、急流勇退B．疏浚、不落窠臼、璀璨、老奸巨滑C．寒暄、藏污纳诟、怄气、绵里藏针D．通谍、靡靡之音、学籍、流言蜚语5.下列各句中加点的词语使用不恰当的一句是和民族命运的铺路石，更是人类文明传续的不竭动力。B．草原上，帐篷像蘑菇一样四处散落，帐篷前篝火点点，军马安闲地吃着夜草，隐隐的鼾声在大地上沉浮。C．千百年来，湘江培育着两岸的乡村和城市，湘江之水不仅流入了人们的日常生活，也荡漾在他们的梦境中。D．树立大国风范，涵养大国心态，让世界看到中国的开放、包容和自信，看到中国人民的团结、理性和智慧。6.下列词语中没有错别字的一组是设伏口讷声名鹊起尺牍佝偻竭泽而鱼轫惶悚凑和恣意妄为D．松弛亲睐岑寂义愤填膺7.下列词语中错别字最多的一项是嚼腊心劳日拙C．国萃文绉绉知人论事束之高搁D．墨契渡假村置若妄闻反应情况8.下列各项中，划线的成语使用正确的一项是[]A．甲型HINI流感与感冒类似，通过耳濡目染和空气传播，目前已使全球40多个国家和地区1900多人受到感染。B．鼠首和兔首铜像是英法联军从圆明园掠走流失海外的中国文物，与中国历史息息相关。法国佳士得公司不久前公然将其拍卖．严重伤害了中国人民的感情。C．在季后赛对火箭队的首场比赛中，科比撞到姚明，肘击阿泰，他的动作之粗野简直达到令人叹为观止的程度。D．连日来，网络上有关《大国医》的评论如过江之鲫，其中不乏一些大家对《大国医》大加称赞。分）________________________。10.补写出下列名句名篇中的空缺部分。(任选两小题)(4分)(1)战战兢兢，，。秦爱纷奢，人亦念(2)，其家。(杜牧《阿房宫赋》)(3)想当年，遇乐·京口北固亭怀古》)，11.下面是一首题为《门》的诗歌。请在横线上补写有关诗句。要求想象合理，并与相关句子一致。诗人说：花朵把春天的门推开了，绿荫把夏天的门推开了，（1）______________________________，飞雪把冬天的门推开了。我说：勤劳把贫困的门推开了，坚韧把苦难的门推开了，（2）______________________________，（3）______________________________。腐败的。B．为了让人们体验与世界短跑冠军比赛的感受，这家科技馆独出心裁地设置了与冠军赛跑的模拟互动平台，引起了观众的浓厚兴趣。12年之久。年6月5感失之交臂，沉浸在极度的悲痛之中。13.利用所给词语写一段话，介绍“征集全民健身口号”活动的结果，要求语意完整，句子通顺，字数在50-60之间。来源广答：一个月入选口号千余条“我运动，我快乐”。14.下列句子中运用修辞手法恰当的一句是()A我朝他手指的方向看去，山上的这几点灯光，仿佛满天繁星里的几颗最亮的星星。B风又来了，使人感到眩晕。天、地，连皇城的红墙与金銮宝殿似乎都在颤抖。C矮小而年高的垂柳，用苍绿的叶子拥抱要成熟的庄稼。D百货大楼失火了，光焰万丈，像晚霞一样灿烂，上亿元的商品顷刻间化为灰烬。15.依次填入下面两句横线处的语句，与上下文衔接最恰当的一项是[]缓缓流逝的时间长河中，总有一些记忆像卵石般沉淀下来，________，________。爱，特别是母爱，对他来说，就是这样一份沉甸甸的卵石。①或神采飞扬，透着现代的气息②或庄重沉稳，带着岁月的沧桑③压迫着人们的心灵④改变着人生的轨迹A．①②③④B．①②④③C．②①③④D．②①④③16.下列各句中衔接最恰当的一项是[常被后人引用，借以说明_______。A、任何人和事物都各有缺憾B、任何人和事物都各有所长C、任何人和事物都各有千秋D、任何人和事物都各有所爱17.背诵填空分）分）18.“当代最伟大的思想家停止思想了”一句为何不用“停止呼吸”“心脏停止跳动”，而用“停止思想”？对此理解最准确的一项是[象深刻。B．为了突出马克思是“当代最伟大的思想家”。C．因为这句话的主语是“当代最伟大的思想家”。D．运用讳饰的手法，反映了作者的悲痛之情。19.请补全下列歇后语。（1）梁山的军师——___________（2）吕洞宾的手——___________（3）寿星老抱琵琶——___________（4）白玻璃瓶装清水——___________20.根据文章，续写两句话，构成一组排比句。三.英语题库(共20题)1.—Youwon’tgotoKathy’sweddingparty,willyou?—Yes,_________invited.A．thoughB．ifC．unlessD．as2.8.Customersareaskedtomakesurethatthey____therightchangebeforeleavingtheshop.A．willgiveB．havebeengivenC．havegivenD．willbegiven3.Mostpeople,whentheytraveltospace,wouldliketostayinorbitforafewdaysofmore.Andthisstandstoreason,ifyou’repaying$20,000foryourtriptoorbit!Strainorderfortourismtoreachitsfullpotentialthere’sgoingtobeaneedfororbitalaccommodation---orspacehotels.Whatwouldaspacehotelactuallybeliketovisit?Hotelsinorbitwilloffertheservicesyouexpectfromahotel------privaterooms,meals,bars.Butthey’llalsooffertwouniqueexperiences:impressiveviews----ofEarthandspace---andtheendlessentertainmentoflivinginzerogravity---includingsportsandotheractivitiesthatmakeuseofthis.Thehotelsthemselveswillvarygreatly----frombeingquitesimpleintheearlydaystohugeluxurystructureatalaterdate.It’sactuallysurprisingthataslateras1997,veryfewdesignsforspacehotelswerepublished.Thisismainlybecausethosewhomightbeexpectedtodesignthemhaven’texpectedlaunchcoststocomedownfarenoughtomakethempossible.Lotsofpeoplewho’vebeentospacehavedescribedvividlywhatit’sliketoliveinzerogravity.Thereareobviouslyallsortofpossibilitiesfordancing,gymnastics,andzero-Gsports.Luckily,youdon’tneedtosleepmuchlivinginzerogravity,soyou’llhaveplentyoftimeforrelaxingbyhangingoutinabarwithawindowlookingdownattheturningEarthbelow.Ofcourseallgoodthingshavecometoanend.Unfortunately,Andsoafterafewdaysyou’llfindyourselfheadingbackenoughyou’llbemuchmoreexpertatexercisinginzerogravitythanyouwerewhenyouarrived.You’llbethinkinghowsoonyoucansaveupenoughtogetbackupagain---ormaybeyoushouldchangejobstogettoworkinanorbitinghotel.小题1:Whentravelinginspace,mostpeoplewouldliketostayinorbitforafewdaysbecause_______.A．ItisexpensivetotravelinspaceB．theywouldfindthepossiblelifeinotherstarsystemsC．theycouldenjoytheluxuryofspacehotelsD．theywanttorealisethefullpotentialoftourism小题2:Whichofthefollowingisauniqueexperiencethatspacehotelswilloffer?A．ThegravitationalpullB．Thespecialviews.C．TherelaxationinabarD．Thespacewalk.小题3:Whichofthefollowingisnotdiscussedinthepassage?A．Whenwasthespacetravelingmadepossible?B．Whataretheuniqueexperiencesthatspacehotelswilloffer?C．Whyweretherenotmanypublisheddesignsforspacehotels?D．Howcanthetravelersenjoythemselvesinspacehotels?小题4:Thispassageismainlyabout________.A．travelinginwaysoflivinginspacegravityandspacedescriptionofspacehotels4.（2009.全国卷II）书面表达（满分30分）假定你是李华，你的美国朋友sarah打算暑期来北京旅游，来信询问改建后前门大街的情况。请你写封回信，简单介绍以下内容：简况：长800余米、600多年历史、300余家商铺；位置：天安门广场南面；交通：公共汽车17、69、59等路，地铁2号线；特色：步行街、当当车、茶馆、剧院等。参考词汇：步行街pedestrianstreet当当车trolleycar地铁subway注意：词数100左右；可以适当增加细节，以使行文连贯；开头语已为你写好，请将完整的回信书写在答题卡上。DearSarah.ThankyouforyouletteraskingabouttherebuiltQianmenstreet.Hereissomethingaboutit.5.Thedooropenedandin_____.A．hecameB．cameheC．didhecomeD．didMrSmithcome6.短文改错。此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：该行多一个词：把多余的词用斜线(\)划掉，在该行右边横线上写出该词，并也用斜线划掉。该行缺一个词：在缺词处加一个漏字符号(/\)，在该行右边横线上写出该加的词。该行错一个词：在错的词下划一横线，在该行右边的横线上写出改正后的词。注意：原行没有错的不要改。Howshouldyoudowhenyourparentsbecomeangry?Ifyourparentsgotmad,trytohaveaconversationwiththemaboutit.Rememberingnottoshoutatthem.Theyusuallywilltrytochange,buttheywilltakesometimebecauseit'ssuchnaturalthattheymaygetangryintheirlives.Youmighthavetochangewithyourmethodacoupleoftimes.Doanynicethingsforyourparentsthattheydon'texpect-cooking,doingthedishes,washingclothes,orcleanthefloors.Ifthisdoesn'twork,bringinfriendthatyoutrust,andlethimorhertohelpyou1______2______3______4______5______6______7______8______9______10______7.Ifthedoctorarrivesintime,_______babieswillbesaved.A.allthelittlepoorB.theallpoorlittleC.allthepoorlittleD.thealllittlepoor8.Scientistshavediscoveredremarkableevidenceshowinghowthebodyrebuilds_____whilewesleep.9.Betweenthetwopartsoftheconcertisaninterval,___theaudiencecanbuyice-cream.A．whenB．whereC．thatD．which10.you'vegotachance,you'dbettermakefulluseofit.11.----Puttingonahappyfacenotonlyhelpsusmakefriendsbutalsomakesusfeelbetter.----_______.A．I’dlovetoB．I’mwithyouonthatC．It’suptoyouD．It’smypleasure12.—WhatwereyoudoingwhenIphonedyoulastnight?—I﹍﹍mypaintingandwasstartingtotakeabath.A．havealreadyfinishedB．wasfinishingC．hadjustfinishedD．wasgoingtofinish13.北京是中国的政治、经济和文化中心。14.—DidyouwritetoGracelastsummer?—No,butI______heroverwintervacation.15.Ifyouthinksuchbadbehaviourwillgo[]A.punishing,you'reaskingfortrouble.B.punishedC.unpunishedD.unpunishing16.Everyyear,millionsofpeoplevisitthePalaceMuseum,andmanyof____areforeigners.从短文后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。选项中有两项为多余选项。Competitionisgreatforkids,butitdoeshaveitsdarkside.71Whenthishappensittakesthefunoutoftheactivitiestheyparticipatein.Kidsneedtokeepahealthyattitudetowardcompetitiveactivitiesandasparentsitisourresponsibilitytoletthemknowthatit'snotallaboutwinning.72Kidsundertheageoftenusuallyloseinterestifanactivityistoocompetitive.Agoodideaforkidsinthisagegroupistoallowthemtoparticipateincompetitiveactivitiesbutwithoutkeepingscore.EmphasizethattheimportanceoftheactivityItomakenewfriends,havefunandlearnaboutsportsmanship.73Whenkidsentermiddleschool,competitiveactivitiestakeonnewmeaning.Kidsliketoberecognizedfortheireffortsandwinningplacestheminthespotlight.74.Theunfortunatethingisthatkidswholoseconstantlygetdiscouragedandquitparticipating.Theyfeeltheycan'taccomplishtheirgoalsormeettheexpectationsofteachersandparents.Thiscanleadtolowself-esteemanddiscouragekidsfromtryingtheirbest.It'sbesttokeepthemparticipatingincompetitiveactivitieseveniftheyonlydosointhebackyardwithagroupoftheirfriends.Asaparent,neverputtheemphasisonwinning.75.Givekidspraisefordoingtheirbestwhethertheywinorlose.Thissendsapositivemessageaboutputtingforththeirbesteffort.A．Winningbecomesmoreappealing.B．Encourageyoungkidstowinwhenheparticipatesinacompetition.C．Gettingangryordepressedwhenheloses.D．Theimportanceofparticipatingincompetitiveactivitiesistohavefun.E．Somechildrenbecomeover-competitiveandfocusonlyonrecognitionandwinning.F．Rather,encouragekidstoalwaysgivetheirbesteffort.G．Encourageyoungkidstogivetheirbesteffortandgainself-confidence.18.The_____lookonhisfacesuggestedthathehadn'texpected_____wouldhappen.A.surprised;whatB.surprising;whatC.surprised;thatD.surprising;that19.Alzheimer'sdiseaseaffectsmillionsofpeoplearoundtheworld.Americanresearcherssaythediseasewillaffectmorethanonehundredmillionpeopleworldwidebytheyeartwentyfifty.Thatwouldbefourtimesthecurrentnumber.ResearchersanddoctorshavebeenstudyingAlzheimer'spatientsforacentury.Yetthecauseandcureforthementalsicknessarestillunknown.However,someresearchershavemadeimportantstepstowardsunderstandingit.Severalearlysignsofthediseaseinvolvememoryandthoughtprocesses.Atfirst,patientshavetroublerememberinglittlethings.Later,theyhavetroublerememberingmoreimportantthings,suchasthenamesoftheirchildren.TherearealsosomephysicalteststhatmightshowwhoisatriskofdevelopingAlzheimer'sdisease.Thetestslookforproteinsinbrainandspinalcordfluid.Theproteinsappeartobefoundonlyinpeoplewiththedisease.Theproteintestscorrectlyidentifythepresenceofthediseaseinaboutninetypercentofpatients.Now,amuchsimplerphysicaltesttopredictAlzheimer'sriskhasbeendeveloped.ResearchersfoundthattroublewiththesenseofsmellcanbeoneofthefirstsignsofAlzheimer's.Usingthisinformation,theydevelopedatestinwhichpeoplewereaskedtoidentifytwelvefamiliarsmells.Thesesmellsincludedcinnamon,blackpepper,chocolate,paintthinner,andsmoke.Thestudycontinuedforfiveyears.Duringthisperiod,thesamepeoplewereaskedtotakeseveraltestsmeasuringtheirmemoryandthoughtabilities.Fiftypercentofthosewhocouldnotidentifyatleastfourofthesmellsinthefirsttesthadtroublewiththeirmemoryandthinkinginthenextfiveyears.Anotherstudyhasshownapossiblewaytoreduceaperson'schancesofdevelopingAlzheimer'sdiseaseinoldage.ResearchersinChicagofoundthatpeoplewhousetheirbrainsmoreoftenarelesslikelytodevelopAlzheimer'sdisease.Thosewhoreadanewspaper,orplaychessorwordgamesareaboutthreetimeslesslikelytodevelopthecondition.ResearcherssaytheystilldonotknowwhatcausesAlzheimer'sdisease.Buttheysaythesefindingsmighthelppreventthediseaseinthefuture.41.What’sthemainideaofthepassage?A.SomeearlysignsoftheAlzheimer'sdisease.B.SomephysicaltestsaboutAlzheimer'sdisease.C.TheresearchaboutAlzheimer'sdisease.D.ThepatientsofAlzheimer'sdisease.42.What’sthecurrentnumberofAlzheimer’spatients?A.100million43.WhatisnottheearlysignsoftheAlzheimer'sdiseaseaccordingtothepassage?B.25millionC.400millionD.2050millionA.PoormemoryB.Proteinsexistinthebrain.D.Lessuseofthebrain.C.Troublewiththesenseofsmell.44.Whatdoestheunderlinedword“it”inparagraph1referto?A.Alzheimer'sdisease.research.45.Accordingtothepassage,wecanlearnthat_______.B.Alzheimer'spatients.C.Thecauseandcure.D.TheA.therearenoproteinsinthebrainsofthepeoplewithnoAlzheimer'sdiseaseB.thepeoplewhooftenusetheirbrainswillnotgetAlzheimer'sdiseaseC.researchersanddoctorshavefoundwaystocureAlzheimer'sdiseaseD.thepeoplewhohavethetroublewiththesenseofsmellwillcertainlysufferfromAlzheimer'sdisease20.Birthdayparties,ChristmasandEastercanbedifficulttimesforgrandmothersandparentsastheyrusharoundtryingtoarrangetheperfectcelebrationormakingeveryoneashappyaspossible!What’sbetterthanabirthdaypartythatmakesyourgrandchildsmilethroughoutoracelebrationthatimpressesrelativesandclosefriends?ThatiswhyGrannyLookhassuppliedinthissection,oneofthemostcomprehensiveguidestomakingthesespecialoccasionsthathappenperhapsonceayeararealsuccess.FromaselectionofAdventcalendarstopartyplanningorChristmas-stockingfillerswehaveallthepossibilitiescoveredsothatyourchildrenandgrandchildrenwillreallyhaveamemorabletimewithattractivegiftsandoriginalideas.Bringthatfestivespirittoallthosetraditionaldays,andensureyouarealwaysreadyforanypossibility.GrannyLook’sextensivelinksareboundtomakeeveryspecialoccasionanentirelydifferentexperiencefromtheyearbeforeandalloweveryonetofeelentertainedandcontent.CHRISTMAS-STOCKINGFILLERSLOOKnofurther!!GrannyLookhelpsthefamilytoprepareintimeforFATHERCHRISTMAS.GiveSANTACLAUSsomeideas.Hecanfillallthechildren’sChristmas-stockingswithgoodies!UniqueChristmasgiftsforchildren-stockingfillers.AGrannyLookfavorite!ADVENTCALENDARSAllchildrenlovethebuild-uptoCHRISTMAS!WhatisbetterthanchoosingoneofGrannyLook’sselectionofAdventCalendars!HereyouwillfindalistofwebsitestobuytraditionalorfunAdventcalendarsforchildrenatChristmastime.AGrannyLookfavorite!BIRTHDAYSLOOKINGforaSPECIALBIRTHDAYGIFT?ExploreGrannyLook’sselectionofPRESENTS,PARTYPLANNING,PARTYTOYSandPARTYGAMESforyourChildrenandGrandchildren’sBIRTHDAYS.PlanandorganizetheKIDDIE’SPARTIESaheadoftime!!Don’tforgetthePERSONALISEDINVITATIONS!CHRISTMASLOOKandBOOKnow!!GrannyLook’sselectionofCHRISTMASGIFTSforchildren.Someguidesto“What’soninyourarea”…forthekids.PANTOS,SHOWS,THEATRES…atChristmastime!UNIQUEChristmasgiftsforChildren.SpendQUALITYTIMEwithyourChildren’sChildrenthisFESTIVESEASON!61.Fromthetext,weknowthat“GrannyLOOK”is__________.A.apersonwhoguidesyoutomakeyouryearlycelebrationarealsuccessB.amagazinethathelpsthefamilytoprepareforspecialoccasionsC.acompanythatsellsallsortsofproductsontheInternetD.awebsitethathelpsyoutoprepareforspecialoccasions62.Thepurposeofthetextis_________.A.tomakechildrenhaveamemorableholidayB.toshowyouhowtoshopontheInternetC.togiveyousomeinformationaboutGrannyLookD.tointroducesomegoodswherewillyousearchfortheinformation?A.AtBirthdays.B.AtAdventCalendars.C.AtChristmas-stockingfillers.64.YouwillfailtofindanyinformationatChristmaswhenyouneed_________.D.AtChristmas.A.ChristmascardsAdventcalendarsB.funD.C.Christmasgiftsticketsfortheatres65.Ifyoursonwants_________.A.BirthdaysatraditionalAdventcalendar,youshouldsearchB.D.AdventCalendarsC.Christmas-stockingfillersChristmas本篇主要介绍GrannyLook网的办网宗旨以及各种各样的网址链接。第1卷参考答案一.数学题库x29-y216=1的PF1-PF2=2a=6F1F22=PF12+PF22，而F1F2=2c=10得的面积16．2.答案：C3.答案：∵z1=5+3i，z2=5+4i，∴z1与z2为虚数，故不能比较大小，可排除A，B；又|z1|=34，|z2|=52+42=41，∴|z1|＜|z2|，可排除C．故选D．4.答案：D5.答案：D6.答案：如图，PE是圆的切线，∴∠PEB=∠PAC，∵AE是∠APE的平分线，∴∠EPC=∠APC，根据三角形的外角与内角关系有：∠EDC=∠PEB+∠EPC；∠ECD=∠PAC+∠APC，∴∠EDC=∠ECD，∴△EDC为等腰三角形，又∠AEB=30°，∴∠EDC=∠ECD=75°，即∠PCE=75°，故为：75°．7.答案：A8.答案：B9.答案：l1与l2表示的图象为（如下图所示）y=1与x轴平行，y=3x+3与x轴倾斜角为60°，所以y=1与y=3x+3的夹角为60°．故为60°10.答案：如果样本就是总体，抽样调查就变成普查了，尽管这样确实反映了实际情况，但不是统计的基本思想，其操作性、可行性、人力、物力等方面，都会有制约因素存在，何况有些调查是破坏性的，如考查一批玻璃的抗碎能力，灯泡的使用寿命等，普查就全破坏了．11.答案：A12.答案：由框图知，当r=5时，输出的s=πr2所以程序框图输出的S表示：求半径为5的圆的面积的算法的程序框图，虚线框是一个顺序结构．13.答案：C（3）由向量加法的三角形法则得，AF=AD+DF，由四边形法则和向量相等得，DF=12（DC+DD1）=1215.答案：某公司一年购买某种货物400吨，每次都购买x吨，则需要购买400x次，运费为4万元/次，一年的总存储费用为4x万元，一年的总运费与总存储费用之和为400x?4+4x万元，400x?4+4x≥2(400x×4)×4x=160，当且仅当1600x=4x即x=20吨时，等号成立即每次购买20吨时，一年的总运费与总存储费用之和最小．故为：20．C：x2a2+y2b2=1（a＞b＞0）的两个焦点分别为椭圆C经过点P(43，13)．∴c=1，2a=PF1+PF2=(43+1)2+19+(43-1)2+19=22，即a=2∴椭圆的离心率e=ca=12=22…4分（II）由（I）知，椭圆C的方程为x22+y2=1，设点Q线l与x轴垂直时，直线l与椭圆CQ的坐标为（0，2-355）l与x轴不垂直时，可设其方程为在直线l的坐标2，|AN|2=(1+k2)x2x2，2|AQ|2=1|AM|2+1|AN|2∴2(1+k2)x2=1(1+k2)x12+1(1+k2)x22，即2x2=1x12+1x22=(x1+x2)2-2x1x2x12x22…①将y=kx+2代入x22+y2=1中，得（2k2+1）x2+8kx+6=0…②由△=（8k）2-24（2k2+1）＞0，得k2＞32由②知x1+x2=-8k2k2+1，x1x2=62k2+1，代入①中化简得x2=1810k2-3…③因为点Q在直线y=kx+2上，所以k=y-2x，代入③中并化简得10（y-2）2-3x2=18由③及k2＞32可知0＜x2＜32，即x∈（-62，0）∪（0，62）由题意，Q（x，y）在椭圆C内，所以-1≤y≤1，又由10（y-2）2-3x2=18得（y-2）2∈[95，94）且-1≤y≤1，则y∈Q的轨迹方程为分为：2+2A作AM⊥BD与点为圆O的切线∴∠ABD=∠C=45°∵∠BDA=60°∴∠BAD=75°，∠DAM=30°，∠BAM=45°设AB=x，则AM=22x，在直角△AMD中，AD=63x由切割线定理得：AB2=AD?ACx2=63x（63x+6）解得：x1=6，x2=0（舍去）故AB=6．故是：6．故为-212PB垂直平分AN，且点B关于AN的对称点为P，∴AN也垂直平分PB．∴四边形PABN为菱形，∴PA=PN．∵AB⊥l，∴PN⊥l．故点P符合抛物线上点的条件：到定点A的距离和到定直线l的距离相等，∴点P的轨迹为抛物线．由框图对累加变量S和循环变量i的赋值S=1+2×S=1+2×1=3，i=1+1=2，i不满足条件，执行S=1+2×3=7，i=2+1=3，i不满足条件，执行S=1+2×7=15，i=3+1=4，i仍不满足条件，执行S=1+2×15=31，此时31是要输出的Si不满足判断框中的条件，由此可知，判断框中的条件应为i＞4．故选D．22.答案：由题意知本题是一个古典概型，试验发生包含的事件数是6×6=36种结果，满足条件的事x+y=5左下方即6种结果，∴点在直线的下方的概率是636=16故选A．23.答案：过C作CM⊥AB，连接PC⊥AB，所以AB⊥平面PCM，所以PM⊥AB，此时PM最短，∵∠BAC=60°，AB=8，∴AC=AB?cos60°=4．∴CM=AC?sin60°=4?32=23．∴PM=PC2+CM2=16+12=27．24.答案：∵|a|=2，|b|=3，a、b的夹角为60°，∴|ma+nb|2=m2a2+2mna?b+n2b2=4m2+2mn×2×3×cos60°+9n2=4m2+6mn+9n2，∵1≤m≤2，0≤n≤2，∴当m=2且n=210．25.答案：根据柯西不等式，可得（3a+1+3b+1+3c+1）2=（1?3a+1+1?3b+1+1?3c+1）2≤（12+12+12）[（3a+1）2+（3b+1）2+（3c+1）2]=3[3（a+b+c）+3]=18当且仅当3a+1=3b+1=3c+1，即a=b=c=13的最大值为18因此，3a+1+3b+1+3c+1的最大值为18=32二.语文题库1.答案：C解析：题干有两个地方规定了下文的顺序，一是应先说“记忆”后说“理解”，二是先说“刘言”后说“李莉”。另外，从表意角度看，都是从长处（强）方面来说的。2.答案：B3.答案：车上不便通话，94.答案：A解析：B项“老奸巨滑”应是“老奸巨猾”；C项“藏污纳诟”应是“藏污纳垢”；D项“通谍”应是“通牒”。5.答案：C与世沉浮。涵养：修养，很有涵养；滋润养育用造林来涵养水源。6.答案：A解析：B鱼——渔C和——合D亲——青7.答案：D解析：A项“水蒸汽”应是“水蒸气”，“无耻滥言”应是“无耻谰言”，“回声振荡”应是“回声震荡”；B项“冒然”应是“贸然”，“家俱店”应是“家具店”，“味同嚼腊”应是“味同嚼蜡”，“束之高搁”应是“束之高阁”；C项“国萃”应是“国粹”，“知人论事”应是“知人论世”；D项“墨契”应是“默契”，“渡假村”应是“度假村”，“置若妄文”应是“置若罔闻”，“反应情况”应是“反映情况”。8.答案：B蓝田日暖玉生烟晚来谁染霜林醉虽一毫而莫取解析：无10.答案：⑴如临深渊如履薄冰⑵一人之心千万人之心也⑶金戈铁马气吞万里如虎解析：无12.答案：D13.答案：全民健身口号征集活动在一个月里收到应征口号千余条，稿件来源广，参与人数多，经过评审，最终入选口号为“我运动，我快乐”。解析：解答时要利用所给词语，语意完整，扣住主题“征集全民健身口号”，同时注意话题前后保持一致，语言连贯流畅，语言应富有激情，有文采，有感染力。符合字数要求。14.答案：B中“繁星里的几颗最亮的星星”应改为“昏暗的天空中的几颗星星。”C中“垂柳”以其姿态是无法“拥抱”庄稼的。D用“光焰万丈”和“像晚霞一样灿烂”形容失火，显然感情色彩失当。15.答案：C16.答案：A17.答案：1．以其无礼于晋，且贰于楚也2．而有益于君、敢以烦执事、越国以鄙远、焉用亡郑以陪邻解析：略18.答案：D20.答案：示例：拒绝诱惑，是为了追求道德的完善；拒绝随波逐流，是为了追求独立的人格个性。（开放性试题，不设统一）三.英语题库1.答案：B解析：此题中考生应要注意Yes，其后面省略了Iwill，意思是“不，我会的。”那么根据语境应是指“如果被邀请”，故选yes改成会。除非被邀请。”2.答案：D解析：该空表示“将要被给”，应用一般将来时被动语态。3.答案：小题1:A小题2:B小题3:A小题4:D解析：这是一篇科普说明文，主要介绍了在太空旅行中住宿的地方——太空宾馆（spacehotels）,独特的体验如欣赏太空美景，在失重的状态下的无穷乐趣。读来也许会令你心驰神往的。小题1:推理判断题。从第一段第一二两句Mostpeople,whentheytraveltospace,wouldliketostayinorbitforafewdaysofmore.Andthisstandstoreason,ifyou’repaying$20,000foryourtriptoorbit!和文章最后一段最后一句可推断出太空旅行因为价格昂贵目前只是少数人才能实现，但是这一切都是值得的，没有理由来了一次不去住spacehotels.小题2:细节推断题。从第一段最后一句Butthey’llalsooffertwouniqueexperiences:impressiveviews----ofEarthandspace---andtheendlessentertainmentoflivinginzerogra