河南省实验中学2023-2024学年高三上学期期中考试 数学
河南省实验中学2023——2024学年上期期中试卷高三数学命题人:丁振楠审题人:程建辉(时间:120分钟,满分:150分)一、单项选择题:本题共8小题,每小题5分,共40分.在每小题给出的4个选项中,只有一个选项是符合题目要求的.1.已知集合,,则( )A.B.C. D.2.已知单位向量与单位向量的夹角为,则( )A.B.C.D.3.的展开式中,的系数为( )A.200B.40C.120D.804.已知一个圆锥的侧面展开图是一个圆心角为的扇形,若该圆锥底面圆的半径为1,则该圆锥的体积为( )A.B.C.D.5.已知双曲线的左、右焦点分别为,,A是双曲线C的左顶点,以为...
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