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

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()

查看答案

—Is the weather stillhot and dry these days? — Yes. It will___________ rain this

—Is the weather stillhot and dry these days? — Yes. It will___________ rain this week.

查看答案

Which club do you prefer to join,the chess club________the dancing club?

Which club do you prefer to join,the chess club________the dancing club?

查看答案

The movie Nezha is_______ educational ____ I want to see it again.

The movie Nezha is_______ educational ____ I want to see it again.

查看答案