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1、2014届朝阳期中数学北京市朝阳区2013-2014学年度高三年级第一学期期中统一考试数学试卷(理工类)2013.11第一部分(选择题共40分)一、选择题:本大题共8小题,每小题5分,共40分1.已知集合,.若,则实数的值是A.B.C.或D.或或输出T开始T=0,i=1结束缚i>5?是i=i+1否T=T+i22.命题:对任意,的否定是A.:对任意,B.:不存在,C.:存在,D.:存在,3.执行如图所示的程序框图,则输出的值为A.91B.55C.54D.304.若,则A.B.C.D.5.由直线,,与曲线所围成的图形的面积等
2、于A.B.C.D.6.已知平面向量,,,则下列结论中错误的是A.向量与向量共线B.若(,),则,C.对同一平面内任意向量,都存在实数,,使得D.向量在向量方向上的投影为Shang,andactionShangwithtoXIcomradeforGeneralSecretaryofCentralkeepheightconsistent;anywhenareputdisciplinerulesisinfront,enhancedorganizationconcept,andobeyOrganizationdecided;to
3、setrightofworldview,andOutlookonlifeAndtoleadacleanslimfamily,alwaysadheretotheCommunists'spiritualhome;toconsciouslypracticetheparty'spurpose,keepingqualities.CPCrequirementsinsection-levelcadresabovetobeabenchmark,playanexemplaryrole,"adheretotheloyalcleanplay,
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