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宁夏石嘴山市第三中学2020届高三高考第五次模拟考试数学(文)试题
适用年级:高三 试卷类型:其他 试题总数:23 浏览次数:123 上传日期:2020-06-29
1 . 已知集合eqId4a009faaec234613b929ba723b89fc11eqId6454e4dfaf9045d693eedf51f85671bf,则集合eqIdc7e17aac3f664408a20c2c2cbb4f5426中元素的个数为(   )
A.2B.3C.4D.5
更新:2020/06/29难度:0.85题型:单选题组卷:37
2 . 若复数eqId0dd4b50772e94612ae83a31948c9ec65为纯虚数,则eqId9d4ce03c70af4e0d8ed5bdab3b9b3c7d(  )
A.eqIdd1f30dbc126c4c019fb6297ec9249e7fB.eqId0bad15ca833c426894079a104ff88a36C.eqId11f75c152f5341f39d020095cecda9b3D.eqId5e30b3f3682042e3bf61665ea4945f08
更新:2020/06/29难度:0.65题型:单选题组卷:2281
3 . 已知向量eqId8814b3e554ac45eb9e060081b105f34aeqId49634bd9272649d3bd17b1c2b5d21749,若eqId2f421321650f477681e7be15a06e033f,则实数eqIdd33c7c1015944e2b81de4ff8695de842 (     )
A.-1B.1C.2D.-2
更新:2020/07/03难度:0.85题型:单选题组卷:325