机密★考试结束前
2023-2024学年第二学期质量检测
高二年级 数学(一)
(全卷四个大题,共22个小题,共8页;满分150分,考试用时120分钟)
注意事项:
1.本卷为试题卷。考生必须在答题卡上解题作答。答案应书写在答题卡的相
应位置上,在试题卷、草稿纸上作答无效。
2. 考试结束后,请将试题卷和答题卡一并交回。
一、单项选择题 (本大题共8小题,每小题只有一个正确选项,每小题5分,共 40分)
1. 已知向量AB= (0,1,2), 则 AB|= ( )
A . 1 B. √3 C. √5 D. 5
2. 已知函数f(x)=cosx+sin2x,则
A. -3 B. 0 C. -2 D, 2
3.已 知数列{a,}为等差数列,前n项和为S,,若 a23+aooo=2,则Sm4等于( )
A. 2023 B. 2024 C. 2025 D. 2048
4. 已知圆的方程x +y +2ax+9=0圆心坐标为(5,0),则它的半径为( )
A. V34 B . 16 C. 5 D. 4
高二年级数学(一)·第 1页(共8页)
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