海淀区2023年高三一模数学试题
海淀区2022-2023第二学期期中练习高三数学2023.4一、选择题共10小题,每小题4分,共40分。在每小题列出的四个选项中,选出符合题目要求的一项。(1)已知集合则(A){2}(B){0,1}(C){1,2}(D){0,1,2}(2)若,其中是虚数单位,则(A)-1(B)1(C)-3(D)3(3)在等差数列中,,则(A)9(B)11(C)13(D)15(4)已知抛物线的焦点为F,点P在该抛物线上,且P的横坐标为4,则(A)2(B)3(C)4(D)5(5)若,则(A)-1(B)1(C)15(D)16(6)已知直线与圆交于A,B两点,且△为等边三角形,则m的值为(A)(B)(C)(D)(7)...
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