2023届“3+3+3”高考备考诊断性联考卷(二)理数-答案
理科数学参考答案·第1页(共8页)2023届“3+3+3”高考备考诊断性联考卷(二)理科数学参考答案一、选择题(本大题共12小题,每小题5分,共60分)题号123456789101112答案BDBAABABACDC【解析】1.由图可得,图中阴影部分表示的集合为()UBA,因为{|04}UAxxB≤,{|51}xxx≥或≤,所以(){|01}UBAxx≤,故选B.2.202221011ii)1(,1(1i)11i1i(1i)(1i)22z所以,11i22z则,故选D.3.对于A,由题图乙可知,样本中男生,女生都大部分愿意选择该门课;对于B,C...
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