黑龙江省哈尔滨师范大学附属中学2022-2023学年高三9月月考数学试题
哈师大附中2020级高三9月月考数学试题总分150分时间120分钟一、单选题(本题共8小题,每小题5分,共40分.在每小题给出的四个选项中,只有一项是符合题目要求的)1.已知集合|12Mxx,21Nxx,则MN()A.{|2}xxB.{|12}xxC.{|15}xxD.{|02}xx2.已知角的顶点为坐标原点,始边为x轴正半轴,终边过点1,3P,则sin2的值为()A.45B.45C.35-D.353.1ab是22ab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4.如图,从高为h的气球()上测量待...
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