异面直线是指(　　) A．不相交的两条直线 B．分别位于两个

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问题选择题

异面直线是指(　　)

A．不相交的两条直线

B．分别位于两个平面内的直线

C．一个平面内的直线和不在这个平面内的直线

D．不同在任何一个平面内的两条直线

答案

答案：D

选择题

The glass of water is too hot. I prefer some cold _____ water.

A．to boil

B．having boiled

C．boiled

D．boiling

选择题

— How about going hiking this weekend?

— Sorry, I prefer rather than .

A．to stay at home; go out

B．to go out; stay at home

C．staying at home; go out

D．going out; stay at home