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已知f(x)=ae﹣x+x与. (Ⅰ)若f(x),g(x)在x=2处有相同的切线.求a,b的值; (Ⅱ)设F(x)=f(x)﹣g(x),若函数F(x)有两个极值点x1,x2(x1>x2),且3x...
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高三下学期数学《》真题及答案
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已知点2在幂函数y=fx的图像上点-在幂函数y=gx的图像上若fx=gx则x=________.
已知函数fx=xlnx-x2a∈R.1若a=2求曲线y=fx在点1f1处的切线方程2若gx=fx+a
已知函数fx=3sinωx-ω>0和gx=3cos2x+φ的图象的对称中心完全相同若x∈则fx的取值
已知fx与gx是定义在R.上的两个可导函数若fxgx满足f′x=g′x则fx与gx满足
f(x)=g(x)
f(x)=g(x)=0
f(x)-g(x)为常数函数
f(x)+g(x)为常数函数
已知fx是定义在R上的函数f1=1且对任意x∈R都有fx+5≥fx+5fx+1≤fx+1.若gx=f
已知函数fx=x2-2x+2.1求fx在区间上的最大值和最小值2若gx=fx-mx在[24]上是单调
已知fx是定义在R上的函数f1=1且对任意x∈R都有fx+5≥fx+5fx+1≤fx+1若gx=fx
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CityCollege ADMISSIONREQUIREMENTS Allhighschoolgraduatesandanyone18yearsofageorolderwithorwithoutahighschooldiplomaaresuitableforadmission.Individualsundertheageof18whopossessahighschooldiplomaarealsosuitableforadmission. HOWTOEVROLLINCREDITCOURSES Newandreadmittedstudentsmustcompleteandsubmit提交acreditadmissionsapplicationformavailableonlineatwww.ccsf.edu. BEFOREYOUREGISTER ●LearnaboutyourskilllevelinEnglishandMaththroughourassessmentservice ●Attendanorientation新生报到会tohearaboutsupportservices ●Meetwithacounseloradvisertoselectyourcourses ●Findoutifyouqualifyforbeingfreefromtheentranceexaminations. HOWTOENROLLINNONCREDITCOURSES CoursesinNoncreditProgramsarefreeofchargenoenrollmentfee.Forinformationonhowtoenrollinnoncreditcoursesclickhere. PARKING Studentsfacultyandstaffareencouragedtousepublictransit.ClickhereforParkingRegulations. SERVICES CityCollegeservicesincludeabookstorecafeteriahealthcentertutoringcentercareerandtransfercentercounselingfinancialaidlibrarylearningresourcecenterstudentgovernmentofficescampuspolicedisabledstudentsprogramsandmore. 1WhichkindofthefollowingpeoplecouldnotbeadmittedtoCityCollege? A.Ahighschoolgraduate B.Asixteenboywithoutahighschooldiploma C.Anadultwithoutahighschooldiploma D.Anyonewhopossessesahighschooldiploma 2Whatdoweknowabouttheentranceexaminationsfromthepassage? A.Allnewandreadmittedstudentsmusttaketheexaminations B.ThosewhoarepoorinEnglishandMathmusttaketheentranceexaminations C.Notallthenewstudentsarerequiredtotaketheentranceexaminations. D.Theentranceexaminationsarefreeofcharge. 3Wherecanthispassagebefound? A.Inacollegenewsreport B.Inanewspaperadvertisement C.Inatourguide D.Onaneducationwebsite.
China'sfamedbikewarsmaysoonbefoughtonforeignshoresasBluegogoandMobikecompetewithfellowstand﹣freecyclehirecompanyofointheBritishmarket. Cyclehirestartupsso﹣calledbikeUbersarebigbusinessinChina.Around30companiescontroltensofthousandsofbikesinatleast35Chinesecities.ThetwolargestofoandMobikerecentlysecured﹩450millionand﹩300millioninfundingrespectively. AlreadylockedinabattleformarketshareacrossChinathestartupsnowhaveLondonintheirsights.ElsewhereintheUKthismonthBeijingBikelockTechnology'sbikehirebusinessofoislaunchingapilotbike﹣hiringschemeinCambridge.MobikeisreportedlyinterestedinlaunchingsimilarprojectsinBirminghamandManchester. TheSundayTimesrecentlyreportedBluegogoandMobikewerelookingatLondon. BothLondonandBirminghamalreadyhavebike﹣hireschemes.TheChineseservicesdifferindoingawaywithdockingstations.UsersofthebikesofferedbytheChinesecompaniesarefreetopickupacyclewherevertheyfindoneandleaveitwherevertheywantusingasmartphoneappandacodetodeactivateandactivate激活abuilt﹣inlock. Thecapital'stransportauthorityTransportforLondonhasexpressedinterestinthenewtechnology. TfL'sheadofstrategyandoutcomeplanningLilliMatsonsaidWearealwayskeentotalktocompaniestoexploreadvancementsintechnologyanddiscussnewideasandhavespokenwithanumberofcompaniestounderstandtheirplans. AspokespersonforofosaidWehavehadbriefdiscussionswithTfLabouthowourschemeworksinChinaandothermarketsandtheyareinterestedinhearinghowourtrialworksinCambridge.OurprimaryfocusisensuringtheCambridgetrialisasuccess.Wewillpotentiallylooktoenterotherareaslater. 32.Wherewillofolaunchtheirpilotbike﹣hiringplanintheUK? A.Birmingham B.Manchester C.Cambridge D.London 33.Whenyouwanttohireabikewhatshouldyouhaveinadvance? A.Anapp B.Asmartphone C.Acode D.Acycle 34.Fromthefourthparagraphweknowthat. A.BluegogoandMobikeweregoingtovisitLondon B.BluegogoandMobikewereplanningtoexpandthemarketinLondon C.BluegogoandMobikewerelookingforwardtoLondon D.BluegogoandMobikewerelaunchingbusinessinLondon 35.Whichmaybethebesttitleofthepassage? A.ChinesebikewarstobreakoutinUK B.ChinesebikebusinessinUK C.ChinesebikewartofightagainstUK D.ChinesebikeUbersinUK.
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处错误涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改的词. 注意1.每处错误及其修改均限一词2.只允许修改10处多者从第11处起不计分. Ialwaysdreamlifeinthefuture.Whatwillitbelike? Perhapssomepeoplewillgotothemoonfortheholidaysandsomepeoplemayliveundertheseaandinpace.Besidesprobablythere'llbemoreeducationalprogramontheInternet.Andthereforestudentswillbeabletostudyathomeinsteadofgotoschooleveryday.What'smoremaybeinthefutureeachfamilywillhavearobotthatwillbeabletodowhateveritwastoldtosuchasgoingtoshoppingdoinghouseworkandsoon. WiththebreakthroughoftechnologyIbelievethattheirlifewillcertainlybecomeeasierhappyandmorecolorful.
已知xy满足|x﹣1|+1≤y≤x+7.则z=|3x﹣4y﹣5|的最大值为.
HavingdatedmyboyfriendforayearIgotanengagement订婚ringforChristmas.MomsistersandIsearchedbridalshops婚纱店formyweddingdressIwouldwearinJune.Wefinallyboughtabeautifuldressinalittleshopwhileitwastoolargeandcostly.WithnoalterationsintheshopIwouldhavetogetitresizedinmyhometown. NextmorningIwasinformedthatnumbersofhand﹣sewnpearls珍珠madethedressunaltered.AfriendrecommendedmeMrs.Whitewhodidalterationsathome.OnedayIvisitedMrs.White.Sheaskedmetotryitonandputpinsintotheshouldersandsidesofmydressandtoldmetopickitupintwodays. WhenthetimecametopickituphoweverIgrewdoubtful.HowcouldIhavelefta$1200weddingdressinthehandsofsomeoneIbarelyknew?Whatifshemadeamessoutofit? Thankgoodness.Thedressstilllookedexactlythesameasifithadbeenmadeespeciallyforme. Onesmallproblemsolvedabiggeronecameup.OnValentine'sDaymyhusband﹣to﹣besaidhewasnotreadytogetmarried.Iwasheartbroken.AnyhowIsurvived. OnedayinthefallofthatyearatthesupermarketIhappenedtoseeMrs.White.Shepolitelyaskedaboutmyweddingandwasshockedthatitwascanceled.IthankedheragainforadjustingmyweddingdressandaddeditwassafelybaggedformyMr.Right.WithalightinhereyesshebegantellingmeabouthersinglesonTim.ThoughIwasn'tintodatingagainIlethertalkmeintomeetinghim. OneyearlaterIdidhavemysummerweddingafterall.AndIdidwearthedressofmydreams﹣standingbesideTimthemanIhavesharedthelasteighteenyearsofmylifewithwhomIwouldneverhavemetwithoutthatspecialweddingdress. 28.Whendidtheauthorandherhusband﹣to﹣beplantoholdtheirwedding? A.InspringB.InsummerC.InfallD.Inwinter 29.TheunderlinedwordalterationsinParagraph1probablymeans. A.choicesB.exchangesC.aidsD.changes 30.Whatcanbelearnedabouttheauthor? A.Sheactuallygottoknowherhusbandviahermothers﹣in﹣law B.Shehadtogetherweddingdressadjustedbecauseofmanypearls. C.Sheforcedherhusband﹣to﹣betocancelthewedding D.Shesafelybaggedherdressandneverworeitagain 31.Whatcanbethebesttitleforthepassage? A.MyMother﹣in﹣law B.AnUnfortunateWoman C.MySpecialWeddingDress D.AWonderfulWeddingCeremony.
已知函数fx=|x﹣1|﹣2|x﹣a|+1a>1. Ⅰ当a=3时解不等式fx>0 Ⅱ若x的图象与x轴围成图形的面积大于6求实数a的取值范围.
已知函数fx=alnx﹣x+2a为大于1的整数若y=fx与y=ffx的值域相同则a的最小值是参考数据ln2≈0.6931ln3≈1.0986ln5≈1.6094
假如你叫李华最近你的美国笔友Tony要来北京体验中国传统文化请根据他的问题回复邮件为他设计北京一日游活动帮助他体验中国传统文化.请描述你们打算去的地方具体的活动安排以及这样安排的理由. Hi!Tony I'mgladthatyouwillcometoBeijingsoon. Yours LiHua.
2018年9月24日阿贝尔奖和菲尔兹奖双料得主英国著名数学家阿蒂亚爵士宣布自己证明了黎曼猜想这一事件引起了数学界的震动在1859年德国数学家黎曼向科学院提交了题目为论小于某值的素数个数的论文并提出了一个命题也就是著名的黎曼猜想.在此之前著名数学家欧拉也曾研究过这个问题并得到小于数字x的素数个数大约可以表示为nx的结论素数即质数lge≈0.43429.根据欧拉得出的结论如下流程图中若输入n的值为100则输出k的值应属于区间
已知等比数列{an}的公比q=﹣该数列前9项的乘积为1则a1=.
在△ABC中G为△ABC的重心AG=BGBC=4则△ABC面积的最大值为.
阅读下面材料在空白处填入适当的内容1个单词或括号内单词的正确形式. ChinesepeopleoftenburytheashesoftheirlatelovedonestoshowrespectforthemonTombSweepingDaywhichnormally61fallonApril5everyyear.Itisadayforpeopletovisittheirancestor'stombsandhonorthemby62burnpaperofferings.Chinesepeopletraditionallybelievedthatsoulswillrestinpeace63theirbodiesarecoveredbysoilwhichwasconsideredmorerespectto64dead. Butattitudetowardsburialshaschanged.NowChineseare65increasingchoosingseaburialsinwhichashesaccompaniedwithflowerpetals花瓣arethrownintothesea.Oldpeopledonotcarehowthey66buryafterdeathwhattrulymattersto67theyisthehappinessoftheirchildren. Havinganenvironmentallyfriendlyburialhasbecomeimportantformanypeople.China'slatestpolicyonburialsencourageseco﹣burialsincludingseaandtreeburials68makeaharmoniousrelationshipbetweenhumans69nature.Eco﹣burialssavelandreducefuneralexpensesanddolessharm70theenvironment.
2019年某饮料公司计划从AB两款新配方饮料中选择一款进行新品推介现对这两款饮料进行市场调查让接受调查的受访者同时饮用这两种饮料并分别对AB两款饮料进行评分现对接受调查的100万名受访者的评分进行整理得到如下统计图.从对以往调查数据分析可以得出如下结论评分在[060的受访者中有20%会购买评分在[6080的受访者中有60%会购买评分在[801000]的受访者中有90%会购买. Ⅰ在受访的100万人中求对A款饮料评分在60分以下的人数单位万人 Ⅱ现从受访者中随机抽取1人进行调查试估计该受访者购买A款饮料的可能性高于购买B款饮料的可能性的概率 Ⅲ如果你是决策者新品推介你会主推哪一款饮料并说明你的理由.
已知函数x=lnx+ax+1a∈R I讨论函数fx的单调性 Ⅱ若函数fx的图象与x轴相切求证对于任意互不相等的正实数x1x2都有.
若将函数fx=sinx﹣2cosx的图象向左平移φ个单位得到函数gx=sinx+2cosx的图象则cosφ=
CulturalTVprogramshaveexperiencedacome﹣backatthestartoftheChineseNewYear.TwoweeksafterthehitshowChinesePoetryCompetitionanewprogramReadershasbecomeanationwidesensation61inspirefreshenthusiasmforliteratureinChina. The62weektalkshowhostedbythefamousTVpersonalityDongQing63invitepeoplefromallwalksoflifetoreadaloudpoemsessaysandbookexcerpts节选theylikeorwrote.The64participateinitalsosharetheirownlifestoriesexplainingthereason65particularpiecestouchedtheirhearts. ThreedaysafteritsfirstbroadcastonCCTV﹣1Readershasenjoyed66instantsuccessandstruckthousandsofpeople.ThroughthepoeticwordsReadershasbroughtthe67losehabitofreadingaloudbackintothepublicspotlight. Readersisoneoftheculture﹣themedTVprogramstorestorethecountry'spassionforliteratureinrecentyears.68itsuccessisveryencouragingintoday'stelevisionworldwhererealityshows69playaleadingpartsofar. 70morepeoplereflectingontheirownreadinghabitsthequestionnowiswhenisthelasttimeyoureadapoemorbookexcerptsaloud?
某花卉批发市场为丰富居民生活特举办花卉展销活动其中绿色观赏植物从AB两家经销商分别抽取10株进行展销经测量其株高如下单位cm A25374041221439194221 B21392942403818371927 ⅠAB哪家植物长得较高哪家植物长得比较整齐 Ⅱ市场决定从两家不低于40cm的植物中随机选取3株参加优质品种展销求3株中恰有2株选在A家的概率.
已知某公司生产的一种产品的质量X单位千克服从正态分布N9064.现从该产品的生产线上随机抽取10000件产品其中质量在区间82106内的产品估计有附若X﹣Nuσ2则Pu﹣σ<X<μ+σ≈0.6826Pu﹣2σ<X<u+2σ≈0.9544.
在极坐标系中已知曲线C1的方程为ρ=6sinθ曲线C2的方程为ρsinθ=1.以极点O为原点极轴为x轴正半轴建立直角坐标系xOy. 1求曲线C1C2的直角坐标方程 2若曲线C2与y轴相交于点P与曲线C1相交于AB两点求的值.
Longinthe1700shomewasusedasaverbmeaningtobeguidedtoadestination.Sowhenyouhomeinonsomethingyougetclosertoyourtarget.ForexampleyoucouldsayPolicearehominginonthesuspects. Buttodayhomeismoreoftenusedasanoun.AndithasaveryemotionalconnectionforAmericanEnglishspeakers.YoucanrememberthemeaningofthewordbytheexpressionHomeiswheretheheartis.Thatexpressionmeanshomeisanywhereyoufeelloveandcomfort.Itisaplacewhereyoubelongandoftenaplaceyouconsideryourorigin.Youcanalsosimplycarrythefeelingofhomewithyou﹣﹣thatisafeelingofloveandloyaltytoyourfamilyandplacesthataredeartoyou. Inotherwordshomeisnotsimplyabuildingwhereyoulive﹣that'sahouse.Somepeoplefindthatreturningtoachildhoodplacebringsonlyjoyanddelight.WhenthesepeoplereturntotheirchildhoodhomestheymaysayHomeSweetHome! Ofcourseyoucansaythisanywhere.AsinglewomanlivingaloneinherfirstapartmentmaycomehomeafteratoughdayatworkandsighAhhomesweethome!IfshelovesherapartmentshemightalsosayThere'snoplacelikehome. Butwhataboutthosepeoplewhomuststayawayfromtheirhomesforalongtime?Theystillwanttofeelconnectedtoaplacetheycandependon.Hotelsknowthisabouttravelers.Manyadvertisethattheywillbeahomeawayfromhome.Thisexpressiondescribesaplacewhereeverythingisfamiliarandcomfortable. Friendscanalsogiveyouahomeawayfromhome.WhenyouvisitthemtheymaysaytoyouMakeyourselfathome!Thiscommonexpressionmeanssomeonewantsyoutofeelrelaxedandwelcome. 24.Whenthepolicesaytheyarehominginonthesuspectstheymean. A.theywillgotothesuspects'home B.theywillcatchthesuspectssoon C.theyaregoinghomewiththesuspects D.theyaregettingclosertothehome 25.WhatdoestheunderlinedworddearinPara2mean? A.precious B.expensive C.familiar D.favorite 26.Whydomanyhotelsadvertisethattheywillbeahomeforthetravelers? A.Toprovideahomeforthetravelers B.Tomakethetravelersbelievetheyhaveahome C.Toconvincethetravelersofhowcomfortabletheirhotelsare D.Todescribetheirhotelsmorevividly 27.Whenyouwanttomakesomeonefeelrelaxedandwelcomeyoucansay. A.Helpyourself B.Makeyourselfathome C.Justdoit D.Don'tbenervous.
在2x﹣n的展开式中各项系数和与二项式系数和之比为164则展开式中常数项为
如图在三梭锥P﹣ABC中PA⊥BCAB=AP=lBC=2PC=∠ABC=45° Ⅰ求证平面ABC⊥平面PAC ⅡE为棱AC上一点试确定点E的位置使得直线PE与平面PBC所成角的正弦值为.
Doyouhaveabusinessbrain?Areyoualwayslookingforthenextbigidea?Maybelikemeyoumightfeelsettingupanewcompanyissomethingyoumightdowhenyou'reolderwhenyouhavemoreexperience.Butthat'snotalwaysthecase. Whilesomeofusmayfeelyoungadulthoodisatimeofuncertainlyfindingourplaceintheworldsleepinglateandpartyinghardothersarealreadyonapathtogreatbusinesssuccess.TakethefounderofMicrosoftBillGateswhostartedhiscompanyasayounguniversitystudentatHarvardintheUS.Therearemanyotherexamplesofyoungentrepreneurs企业家whohavebecomehugelysuccessfulprovingthatthere'snominimumagetobecomingtopdog. Buttobethenextbusinessexecutiverequireseffort.Youneedtoacquireakeenmindandgoodbusinessintelligenceandaboveallyouneedenthusiasm.Startinganewbusinesscomeswithanelementofriskbutifyouareabletospotthenextbigideait'sprobablyworthgivingitatry.JessicaRoseownsajewelrymakingbusinessandadmitsthatwhenIfirststartedIhadnobusinesstrainingbutwhenIwokeuponedayIthoughtI'dreallylovetobeajewelrydesigner.Shewentontobeasuccessfulyoungentrepreneur. Beingyoungandinbusinessdoeshaveitsdrawbacksyoumayworryyouhavenothingtobringtothetableandthatthepeoplewhoworkforyoutendtobeolderandwiser.That'swhatyoungBritishentrepreneurSulemanSacraniefound.Hestartedhisthirdbusinesswhilestudyingchemistryatuniversity.HesaysnowI'vegottwoadditionaldirectorswhohavegreyhairbutwhentheyfirststartedhesayshecouldtelltheywerethinkinginthebackoftheirheadsI'vegotakidsittinginfrontofme. Youmaythinksettingupanewstart﹣upiseasiersaidthandone.Aswellasideasyouneedfinancialbackingandexpertguidance.Butifyou'restudyinghardatuniversityanddon'thavethedesiretogointobusinessandmakeyourfortunekeeponstudying﹣aneducationispriceless! 29.Attheverybeginningwhat'stheauthor'sattitudetothenecessityofbeingagedandexperiencedinsettingupanewcompany? A.Supportive. B.Negative. C.Impersonal. D.Critical. 30.TheauthortakesJessicaRoseforexampleinordertoshowthat. A.doingbusinessneedsgreateffort B.enthusiasmismoreimportantthanakeenmind C.businesstrainingisnotnecessary D.itiseasytosetupanewbusiness 31.Whatcanbeinferredfromthelasttwoparagraphs? A.Olderdirectorsshouldn'tbeemployedifyouareyoung. B.Ageplaysanimportantroleinsettingupnewbusiness. C.Ifyoudon'tintendtosetupbusinessjustfocusonyourstudy. D.Educationismorevaluablethansettingupabusiness.
Positivethinkersadmitwhentheyfeelfrustratedordepressedtheydon'tignoreit.Buttheydon'tblamethemselveseither.36Theycounter反击themwithmorepositiveones. Sohowdoyoustaypositivemaintainmotivatedandsustainhealthybehaviors?Herearesometips Lookforagoodrolemodel.Thereisalwayssomeonewhoseemstobedoingjustwhatyouwanttobedoing.Maybethey'vescheduledexerciseintotheirworkdayandswitchedfromcoffeetogreentea.37Askthemhowtheykeephealthyandfollowtheirfootsteps. 38Takeaminutetogiveyourselfanegoboost自我吹捧.Repeatsomemotivationalwordsoutloudtoyourself.NegativetalksuchasIcan'tdoit.I'mfat.isdangerousforyourwell﹣beingandhealthygoals.Trytoavoidthenegativeself﹣talkbeforeitharmsyou.Remindyourselfthatyoudeservehappinessandcanmakepositivechanges. Getsupport.Tellyourfriendsandfamilyaboutyourhealthyhabits.Ithelpstohaveanencouragingnetwork. Rewardyourself.39TakeanicebathgetamassageandenjoyanewDVDorCD. Haveaplan.Makingaplantoexerciseoreathealthyluncheswithafriendcanmeanthedifferenceofstickingwithyourgoalsorfallingoffrack.Ifyou'veplannedforanactivityyou'lllikestickwithit.Youmayevenfindthatwritingdownyourgoalsandstepstoachievethemcanhelpyoustayontrack.Takeitdaybydayorweekbyweek.40 A.Trysomepositiveself﹣talkandavoidnegativetalk. B.Staywithyourparentsandrelativesandyoucanavoidfrustrationordepression. C.Treatyourselftosomethingforyourhealthyefforts. D.Theytrytounderstandthenegativethoughtsandfeelingsinstead. E.Learnfromasuccessfulfriendfamilymemberorcolleague. F.Theprocessofwritingdownyourpersonalactionplanisagoodwaytowatchyourprogressorfailures. G.Believeinyourselfanddoasothersdo.
已知不等式组表示的平面区域为D若对任意的xy∈D不等式|x﹣2y|≤t恒成立则实数t的取值范围是.
JohnAdams1735﹣1826 TheMassachusetts﹣bornHarvard﹣educatedAdamsbeganhiscareerasalawyer.ThenhebecameacriticofGreatBritain'sauthorityinAmericaandwasaleaderoftheAmericanRevolutionlater.From1789to1797AdamswasAmerica'sfirstvicepresident.HewaselectedinthePresidentialelectionof1796andservedasinglefour﹣yeartermasthesecondU.S.presidentfrom1797to1801. AndrewJackson1767﹣1845 BorninpovertyAndrewJacksonhadbecomeawealthyTennesseelawyerandrisingyoungpoliticianby1812whenwarbrokeoutbetweentheUnitedStatesandBritain.HisleadershipinthatconflictearnedJacksonnationalfameasamilitaryheroandhewouldbecomeAmerica'smostinfluentialpoliticalfigureduringthe1820sand1830s.AndrewJacksonbecamethenation'sseventhpresident1829﹣1837. JohnQuincyAdams1767﹣1848 JohnQuincyAdamsbeganhiscareerastheU.S.ministertotheNetherlandsin1794.AfterthattheyoungerAdamsrejoineddiplomaticserviceunderPresidentJamesMadison.AssecretaryofstateunderJamesMonroeAdamsplayedakeyroleindeterminingthepresident'sforeignpolicy.Hewentontowinthepresidencyinanelectionin1824andservedonlyoneterm. AbrahamLincoln1809﹣1865 AbrahamLincolnwasthe16thpresidentoftheUnitedStatesfrom1861untilhisshockingdeathin1865.HewasborninacottageandgrewupontheAmericanfrontiereducatedhimselfbyreadingborrowedbooksandworkedsplittingfencerailsandclerkinginageneralstoreandthenasacountrylawyerlongbeforehebecamepresident. 1WheredidJohnAdamsfinishhisuniversityeducation? A.Harvard. B.Oxford. C.CambridgeUniversity. D.UniversityofStAndrews. 2WhatmadeAndrewJacksonamilitaryhero? A.Hisleadershipinthewar. B.Hiswealthfromhisfamily. C.Hisgoodcareer. D.Hispoorfinancialconditions. 3Whocouldaffectthepresident'sforeignpolicy? A.JohnAdams. B.JohnQuincyAdams. C.AndrewJackson. D.AbrahamLincoln. 4Whatdothepersonsmentionedinthetexthaveincommon? A.Theyarehighlyeducated. B.Theyarelawyers. C.Theyarepoliticians. D.Theyarepeace﹣lovers.
已知集合A={x|x2<l}B={x|log2x<0}则
在△ABC中内角ABC的对边分别为abc已知. Ⅰ求角C Ⅱ若AD是BC上的中线延长AD至点E使得DE=2AD=2求EC两点的距离.
Cyber﹣bullying网络欺负describesbullyingthathappensthroughtheInternetforexamplebysendinghatefule﹣mailsortextmessagestothreatenvictims.Cyber﹣bullyingcan41atanymomentnomatterwheretheyortheirvictimsare.Soitispossibletocyber﹣bullysomeone42theystayattheirhomeswhichisquitedifferentfrom43bullies.About22%oftheyoungpeopleintheUKclaimtohave44cyber﹣bullying. Notonlyarecyber﹣bullies45toavoidthecriminalsarealsomoredifficultto46.Itisalltooeasytosenda47bytextonapay﹣as﹣you﹣gophonewithan48number.Ittakesnotimeto49afalseFacebookTwitterblogorsocialnetworkaccountandtopostaninsulting50.AndifyouknowhowtohideyourIP51youcanuploadanoffensivevideotoawebsitelikeYouTubeandyour52wouldn'tknowwhotoblame. Oneofthemostupsettingthingsaboutcyber﹣bullyingisthatitcan53morepeoplethantraditionalformsof54.Abullycaninsultyouortellliesaboutyouandsharethatinformationwiththeentireschool55thetouchofabutton﹣﹣﹣andforsometeenagersthatisalltoohardto56.TheUKcharityBeatbullyingsuggeststhatupto44%ofsuicidesamongten﹣to﹣fourteen﹣year﹣oldsforexamplemaybebullying﹣related. Thegoodnewsisthattheworldisstartingtowiseuptocyber﹣bullying.Schoolsandwebsites57lotsofadviceandvictimsupport.58socialnetworksitesnowadviseuserstothink59abouttheirprivacysettingssothatpersonalinformationisonlysharedwithfriends.Manyalsoprovideapanicorredbuttontoclicktoreport60activity. 41.A.beat B.strike C.takeplace D.comeabout 42.A.evenif B.asif C.if D.unless 43.A.usual B.ordinary C.contemporary D.traditional 44.A.sufferedfrom B.preventedfrom C.protectedfrom D.keptfrom 45.A.easier B.harder C.faster D.slower 46.A.seek B.track C.search D.catch 47.A.message B.letter C.gift D.threat 48.A.important B.common C.unknown D.unnecessary 49.A.putup B.setup C.breakup D.takeup 50.A.advice B.information C.message D.suggestion 51.A.address B.name C.number D.information 52.A.friend B.enemy C.victim D.fellow 53.A.reach B.involve C.touch D.defeat 54.A.sharing B.visiting C.searching D.bullying 55.A.in B.at C.on D.to 56.A.bear B.share C.tell D.say 57.A.demand B.get C.afford D.offer 58.A.Therefore B.However C.Besides D.Otherwise 59.A.carefully B.entirely C.exactly D.specially 60.A.surprising B.exciting C.disturbing D.confusing
根据短文内容从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项. Youhavetheeducationandtheworkexperience.36Howevertohaveasuccessfuljobinterviewthesearestillseveralthingsyoushoulddo. 1.Knowaboutthecompanywhereyouaretryingtogetajob.Findoutwhatthecompanydoesandwhotheircompetitorsare. 2.37Mostinterviewerswillaskaquestionrelatingtoyourstrengthsandweaknesses.Beforetheinterviewexaminethejobyouareapplyingforanddeterminethetopskillsneededforthatposition.Forinstanceifyouareapplyingforajobasatelephoneoperatorit'smoreimportantthatyouhavestrongcommunicationskillsthanthatyouaretidy. 3.Haveevidence.38Butifyoucantelltheintervieweraboutatimeyouorganizedaneventitmakethefactmuchmoresolid 4.Preparequestionstoaskaboutthecompanyandthejob. 39Whenyouareunderpressureitcanbedifficulttothinkstraight.Preparingbeforetheinterviewwillmakeiteasiertogiveanswerstothosetoughquestions.Butyoucan'tthinkofeveryquestiontheymightask.40Rememberfirstimpressionsarelasting. A.Aninterviewisastressfulevent B.Sorelaxandbeconfident C.Goodorganizationalskillaremorethanimportant D.Knowyourcompetitors E.Knowyourself F.Nowallyouneedisthejob G.It'seasytosayyouhavegoodorganizationalskills.
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