选择题:在三棱柱 ABC﹣ A 1 B 1 C 1 中, D 为侧棱 CC 1 的中点, 从该三棱柱的九条棱中随机选取两条, 则这两条棱所在直线至少有一条与直线 BD

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  • 题目类型:选择题
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题目内容:

在三棱柱 ABC﹣ A 1 B 1 C 1 中, D 为侧棱 CC 1 的中点, 从该三棱柱的九条棱中随机选取两条, 则这两条棱所在直线至少有一条与直线 BD 异面的概率是()

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A.A

B.B

C.C

D.D

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答案解析:

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