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杜桥中学2014学年第二学期高二年级第一次统练数学(文科)试题满分100分,考试时间120分钟一、选择题(本大题共22小题,1-15题每题2分,16-22题每题3分,每题给出的四个选项中,只有一项符合题目要求)1.设全集SKIPIF1<0,集合SKIPIF1<0,集合SKIPIF1<0,则SKIPIF1<0()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<02.“SKIPIF1<0”是“SKIPIF1<0”的()A.充分不必要条件B.必要不充分条件C.充要条件D.既不充分也不必要条件3.函数SKIPIF1<0的定义域是()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<04.化简SKIPIF1<0的结果为()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<05.下列通项公式表示的数列为等差数列的是()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<06.已知SKIPIF1<0,则SKIPIF1<0、SKIPIF1<0、SKIPIF1<0的大小关系是()A.SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0B.SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0C.SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0D.SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<07.函数SKIPIF1<0的零点个数是()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<08.若SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0成等比数列,则()A.SKIPIF1<0,SKIPIF1<0B.SKIPIF1<0,SKIPIF1<0C.SKIPIF1<0,SKIPIF1<0D.SKIPIF1<0,SKIPIF1<09.函数的图象大致是()10.下列四个函数中,是奇函数且在区间(-1,0)上为减函数的是().A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<011.等差数列SKIPIF1<0的前SKIPIF1<0项和为SKIPIF1<0,若SKIPIF1<0,则SKIPIF1<0()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.以上都不对12.已知函数SKIPIF1<0是SKIPIF1<0上的偶函数,且在SKIPIF1<0上是减函数,若SKIPIF1<0,则实数SKIPIF1<0的取值范围是()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<013.设SKIPIF1<0是周期为SKIPIF1<0的奇函数,当SKIPIF1<0时,SKIPIF1<0,则SKIPIF1<0()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<014.在等差数列SKIPIF1<0中,已知SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<015.设SKIPIF1<0,则满足SKIPIF1<0的SKIPIF1<0的取值范围是()A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<016.函数SKIPIF1<0是定义在SKIPIF1<0上的奇函数,当SKIPIF1<0时,SKIPIF1<0,则当SKIPIF1<0时,SKIPIF1<0的表达式为()A.SKIPIF1<0B.SKIPIF1<0C.SK