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执行如图所示的程序框图，输出的S值为（ ）
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高三下学期数学《》真题及答案
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执行如图所示的程序框图输出的s值为
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执行如图所示的程序框图输出的S.值为
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执行如图所示的程序框图输出S的值为
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若执行如图所示程序框图则输出的s值为
﹣2016
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﹣2017
2017
执行如图所示的程序框图输入N的值为2012则输出S的值是.
执行如图所示的程序框图若输入n的值为8则输出S.的值为
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执行如图所示的程序框图则输出的s的值为
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执行如图所示的程序框图则输出的s的值为________.
执行如图所示的程序框图输出的S.的值为
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执行如图所示的程序框图输出的S.值为.
执行如图所示的程序框图输出的S.值为
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执行如图所示的程序框图输出的S.值为
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执行如图所示的程序框图输出的s值为
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执行如图所示的程序框图若输入n的值为8则输出s的值为
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执行如图所示的程序框图若输入n的值为3则输出的S.的值为_________
执行如图所示的程序框图则输出 s 的值为
执行如图所示的程序框图则输出S.的值是________.
执行如图所示的程序框图输出的S.的值为.
执行如图所示的程序框图输出的S.值为_________.
执行如图所示的程序框图则输出S.的值为.
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已知集合A＝{13}B＝{1m}A∪B＝A则m的值为
5分After61graduatefromUniversityDavidHolmeswenttoChinatostudyChineseatBeijingLanguageandCultureUniversity.Twoyears62hewasabletospeak63fluentlyChinese.Upon64finishhisstudieshestartedtravelinginChina.InChinahedeveloped65interestinteachingEnglishtoChinesestudents.66hereturnedtoBritaintwomonthsagohebrought67fromChinamanyinterestingbookspaintingsandphotos.Hedonatedmostofthemtoourschoollibrary.Thepaintings68Daviddonatedtotheschoolarebeingshowninthe69exhibitroom.TeachersandstudentsatourschoolwishtothankDavidforhis70kind. 61. 62. 63. 64. 65. 66. 67. 68. 69. 70.
在某2L恒容密团容器中充入2molXg和1molYg发生反应2Xg+Yg⇌3Zg△H反应过程中持续升高温度测得混合体系中X的体积分数与温度的关系如图所示下列推断正确的是
.5分Theoldman'ssoncametothankthepolicemanwithhelphefinallyfoundhismother.
.5分IwillhirethemantheysayisagoodEnglishspeaker.
5分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.每处错误仅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. 修改在错词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. ThedaybeforeyesterdayIwenttothebookstorewhereisnearourschooltobuyareferencebook.ItwasSaturdaysotherewasmanypeople.WiththehelpabouttheshopassistantsIquicklygotthebookIneeded.IwasabouttoleavewhenIfoundsomeonetryingtostealamanmoney.AlthoughIwasnervousbutItriedtothinkofawaytohelphim.Suddenlyagoodideacameme.Isteppedontheman'sfootonpurpose.AsIexpectedtheman'sscreamgivesthethiefafrightwhoquickwalkedoutoftheshop.Afterhearmyexplanationthemansmiledandshowedgreatgratitudetohim.
工业上可用食盐和石灰石为主要原料经不同的方法生产纯碱．请回答下列问题 1路布兰法是以食盐石灰石浓硫酸焦炭为原料在高温下进行煅烧再浸取结晶而制得纯碱． ①食盐和浓硫酸反应的化学方程式为 ②硫酸钠和焦炭石灰石反应的化学方程式为已知产物之一为CaS 2氨碱法的工艺如图1所示得到的碳酸氢钠经煅烧生成纯碱． ①图中的中间产物C是D是写化学式 ②装置乙中发生反应的化学方程式为 3联合制碱法是对氨碱法的改进其优点是 4有人认为碳酸氢钾与碳酸氢钠的化学性质相似故也可用氨碱法以氯化钾和石灰石等为原料制碳酸钾．请结合如图2的溶解度S随温度变化曲线分析说明是否可行．
.5分Ihaven'tmethimforagesbuthismotherseehimeveryday.
化学与生活社会密切相关．下列说法错误的是
某研究性学习小组的同学通过对亚硫酸钠组成元素的价态进行分析后认为Na2SO3溶液在存放过程中有可能变质若已变质则相应反应的化学方程式． 1甲同学设计了如下两种方案来检验Na2SO3溶液是否变质． 方案Ⅰ取样加入稀盐酸有气泡生成认为Na2SO3溶液没有变质． 方案Ⅱ取样加入氯化钡溶液有白色沉淀生成认为Na2SO3溶液完全变质． 乙同学认为上述两种方案均不合理乙同学作出判断的依据分别是方案Ⅰ 方案Ⅱ． 2乙同学设计如图所示装置夹持装置已略去探究Na2SO3溶液是否变质量取60mL标签上注明为1.0mol•L﹣1的Na2SO溶液放入A装置中通过测量生成的SO2质量的方法来判断其是否变质． ①D装置的作用是分液漏斗中应加入足量的填字母 a．浓硝酸b．65%硫酸 c．浓盐酸d．20%硫酸 ②若实验前后测得C装置增重3.2g则Na2SO3变质的百分率是． 3丙同学认为若只是确定Na2SO3是否变质乙的方案太复杂了他认为只需要试管胶头滴管盐酸及氯化钡溶液就可以达到目的不考虑对环境的影响请你发表自己的看法若不同意请说明理由若同意请写出主要操作现象及结论．
10分请你修改下面短文共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏子符号∧并在其下面写出该加的词. 删除把多余的词用\划掉. 修改在错的词下画一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Peopleusedtocommunicatewitheachotherthroughlettersandpublicphones.SonowadaystheyusemobilephonesandtheInternetinsteadof.Thischangeincommunicationhavegoodeffectsonourworksandlife.ComparingwithlettersandpublicphonesmobilephonesandtheInternetarefastandmuchmoreconvenient.Ifyoumissedyourgrandmotheryoujusttakeoutyourphoneandsayhellotohim.Andshewillbehappytohearyourvoice.Ifyouwanttoplaceorderwithaforeigncompanyyoucane﹣mailthemessage.It'llbeminutesafteryougettheirreply.
已知F1F2为等轴双曲线C的焦点点P在C上|PFl|＝2|PF2|则cos∠F1PF2＝
正方形ABCD的边长为1点E在边AB上点F在边BC上AE＝BF＝动点P从E出发沿直线向F运动每当碰到正方形的边时反弹反弹时反射角等于入射角．当点P第一次碰到E时P与正方形的边碰撞的次数为．
.5分Anyonebreaksthelawshallbepunished.
设椭圆E1a＞b＞0的两个顶点与两个焦点构成一个面积2的正方形P是E1上的动点椭圆E2+＝1． 1若椭圆E2上的点Q满足＝λλ＞0求λ的最大值 2设E1在P处的切线为ll与E2交于AB两点求三角形OAB面积的最大值．
1分Nodon'ttellthemanything.Anyhowtheydidn'ttrustme.Theydon't84anexplanation.
下列有关离子方程式正确的是
如图四棱锥S﹣ABCD中AB∥CDBC⊥CD侧面SAB为等边三角形．AB＝BC＝2CD＝SD＝1． 1证明SD⊥平面SAB 2求AB与平面SBC所成角的正弦值．
6分AlongtheriverbanksoftheAmazonandtheOrinocotherelivesabirdthatswimsbeforeitcanflyflieslikeafatchickeneatsgreenleavehasthestomachofacowandhasclawsonitswingswhenyoung.Theybuildtheirhomesabout4.6mabovetheriveranimportantfeatureforthesafetyoftheyoung.Itiscalledthehoatzin. Inappearancethebirdsofbothsexeslookverymuchalikewithbrownonthebackandcreamandredontheunderside.Theheadissmallwithalargesetoffeathersonthetopbrightredeyesandblueskin.Itsnearestrelativesarethecommonbirdscuckoos.Itsmoststrikingfeaturethoughisonlyfoundintheyoung. Babyhoatzinshaveaclawontheleadingedgeofeachwingandanotherattheendofeachwingtip.Usingthesefourclawstogetherwiththebeak喙theycanclimbaboutinthebusheslookingverymuchlikeprimitivebirdsmusthavedone.Whentheyounghoatzinshavelearnedtoflytheylosetheirclaws. DuringthedriermonthsbetweenDecemberandMarchhoatzinsflyabouttheforestingroupsof20to30birdsbutinAprilwhentherainyseasonbeginstheycollecttogetherinsmallerlivingunitsoftwotosevenbirdsforproducingpurposes. 21.Whatisthetextmainlyabout? A.Hoatzinsindryandrainyseasons. B.Therelativesandenemiesofhoatzins. C.PrimitivebirdsandhoatzinsoftheAmazon. D.Theappearanceandlivinghabitsofhoatzins. 22.Younghoatzinsaredifferentfromtheirparentsinthat. A.theylooklikeyoungcuckoos B.theyhaveclawsonthewings C.theyeatalotlikeacow D.theyliveonriverbanks 23.Whatcanweinferaboutprimitivebirdsfromthetext? A.Theyhadclawstohelpthemclimb. B.Theycouldflylongdistances. C.Theyhadfourwingslikehoatzins. D.Theyhadaheadwithlongfeathersonthetop. 24.Whydohoatzinscollecttogetherinsmallergroupswhentherainyseasoncomes? A.Tofindmorefood. B.Toprotectthemselvesbetter. C.Tokeepthemselveswarm. D.Toproducetheiryoung.
下列有关化学用语使用正确的是
1分指出下列句子属于哪种基本句型.回答可写汉字 IsawMrWanggetonthebus..
等差数列{an}的前n项和为Sn已知al＝10a2为整数且Sn≤S4则公差d＝．
10分Michael'sbirthdaywascomingsoonsoheaskedhisdadforabicyclesothathewouldn'thavetowalktoschoolanymore.36Michaelgotabookinsteadbuthedidnotcomplain抱怨. OnebrightandsunnydaywhileMichaelwaswalkingpastabookstoreonhiswaytoschoolhesawabigboyonabike.Thebikewastoosmallfortheboy.37TheboywasastudentinMichael'sschool.Michaelrecognizedhim.Theboy'snamewasWilliam.Hislegseemedtohavebroken.MichaelpickedupWilliam'sbikewhichwasnotdamagedandrodetothenearbyhospitaltogethelp38.MichaelrodeWilliam'sbiketoschoolsohewouldnotbelateforclass. AfterschoolMichaelquicklyrodethebicycletoWilliam'shousewithabookforhim.39Buthehadtoputsomemedicineonhislegandstayinbedforsometime. ToMichael'ssurpriseWilliamwasgettinganewbikeforhisbirthdayintwomonthssoheletMichaelhavehisoldbike.Michaelwasoverjoyed喜出望外. 40MichaelvisitedWilliameverydayuntilWilliams'slegwasbetter. A.LuckilyWilliamwasnotseriouslyhurt. B.Michaelfounditinterestingandcouldn'thelplaughing. C.FromthenonMichaelandWilliambecamegoodfriends D.WilliamgavehisnewbiketoMichaeltoshowhisthanks. E.HoweverMichael'sdadhadlosthisjobanddidnothavemuchmoney. F.Astheboywasturningaroundacornerthebikecrashedintoatree. G.Afewminuteslateranambulance救护车cameandtookWilliamtothehospital. 36. 37. 38. 39. 40.
设函数fx＝ln﹣x函数gx＝以下命题中假命题是
含氧有机物甲可用来制取多种有用的化工产品合成路线如下 已知ⅠRCHO ⅡRCOOHRCOOClRCOOR′RR′代表烃基 1甲的含氧官能团的名称是．写出检验该官能团常用的一种化学试剂的名称检验反应的条件为． 2写出己和丁的结构简式己丁． 3乙有多种同分异构体．属于甲酸酯含酚羟基且酚羟基与酯的结构在苯环邻位的同分异构体共有种． 4在NaOH溶液中发生水解反应时等物质的量的丁与辛消耗NaOH的物质的量之比为． 5庚与M合成高分子树脂的化学方程式为．
的展开式中各项系数的和为2则该展开式中常数项为
直线l过抛物线Cx2＝4y的焦点且与y轴垂直则l与C所围成的图形的面积等于
7.5分Howtomanageyouremailinbox36Weloveitandwehateit.Weneeditandwewantitbuttoooftenthepricewepayiscompleteemailoverload.Ascertainasthesunwillriseourinboxeswillbefullbymid﹣morning. Honestlywe'vedoneittoourselves.Wedependtoomuchonittocommunicateandasaresulthavemadeourselvespayattentiontoeveryoneofthem.Thisisterrible.37Everytimeanemailinterruptsyouitcoststimemoneyandbrainpower. Herearesomeofmybesttipstomanageemails 38Youcan'tgetintoworkifyoucheckemailseverytenminutes.Insteadyoushouldsetcertaintimestocheckyourinboxlikethetopofeveryhourorevery90minutes.Setatimeronyourphoneandsticktoit. Scanyourinbox.39Atthesametimedeleteeverythingthatisunnecessaryandanswertimelyrequestsfirst. 40Insteadofcreatinganemailtryspeakingwiththepersonyouwanttocommunicatewith.Oftenafive﹣minuteconversationonthelineismuchbetterthananemail. A.Emailisbecomingmoreandmoreimportantinourlives. B.Setaschedule. C.Emaiiisourfriendandtheenemy. D.Lookingthroughtheemailsquicklycansaveyourtime. E.Becauseemaiicaninterruptourworkandlife. F.Useaphone. G.Talktotheperson. 36. 37. 38. 39. 40.
6分FiveyearsagoDavidSmithworeanexpensivesuittoworkeveryday.Iwasaclothesaddict迷hejokes.IusedtocarryafreshsuittoworkwithmesoIcouldchangeifmyclothesgotwrinkled皱的.TodayDavidwearscasualclothes﹣khakipantsandasportsshirt﹣totheoffice.Hehardlyeverwearsanecktie.I'mworkingharderthaneverDavidsaysandIneedtofeelcomfortable.Moreandmorecompaniesareallowingtheirofficeworkerstowearcasualclothestowork.IntheUnitedStatesthechangesfromformaltocasualofficewearhavebeenslow.Intheearly1990smanycompaniesallowedtheirworkerstowearcasualclothesonFridaybutonlyonFriday.Thisbecameknownasdress﹣downFridayorcasualFriday.Whatstartedoutasanextraone﹣day﹣a﹣weekbenefitforworkershasreallybecomeaneverydaythingsaidbusinessadviserMaislyJones. Whyhavesomanycompaniesstartedallowingtheirworkerstowearcasualclothes?Onereasonisthatitseasierforacompanytoattractnewworkersifithasacasualdresscode.Alotofyoungpeopledon'twanttodressupforworksaystheownerofasoftwarecompanysoit'shardtohirepeopleifyouhaveaconservativedresscode.Anotherreasonisthatpeopleseemhappierandmoreproductivewhentheyarewearingcomfortableclothes.InastudymadebyLeviStraussandCompany85percentofemployerssaidthatcasualdresshasapositiveeffectonwork.Supportersofcasualofficewearalsosaythatacasualdresscodehelpsthemsavemoney.Suitsareexpensiveifyouhavetowearoneeverydayonepersonsaid.Forthesameamountofmoneyyoucanbuyalotmorecasualclothes. 28.DavidSmithreferstohimselfashavingbeenaclothesaddictbecause. A.heoftenworekhakipantsandasportsshirt B.hecouldn'tstandacleanappearance C.hewantedhisclothestolooktidyandcleanallthetime D.hedidn'twanttospendmuchmoneyonclothes 29.Thereasonwhycompaniesallowtheirworkerstowearcasualclothesareasfollowsexceptthat. A.manyworkersdon'tlikeaconservativedresscode B.comfortableclothesmakeworkersmoreproductive C.acasualclothescodeiswelcomedbyyoungworkers D.alltheemployersintheU.S.areforcasualofficewear 30.Accordingtothispassagedress﹣downFridaymeansthat. A.onFridaycompanieswillgivetheirworkersanextrabenefit B.onFridaydress﹣downhasbecomeaneverydayphenomenon C.onFridaycompaniesallowtheirworkerstowearcasualclothesasafavor D.onFridaymanyworkerswanttowearcasualclothestoimpresspeople 31.Whichofthefollowingclothesiscasualwear? A.Khakipants. B.Suits. C.Neckties. D.Tuxedos.
某几何体的三视图如图所示该几何体的表面积是
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