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若平面α∩平面β=直线l,直线m⊂α,直线n⊂β,则“m和n是异面直线”是“m和...
若平面α∩平面β=直线l,直线m⊂α,直线n⊂β,则“m和n是异面直线”是“m和n均与直线l相交,且交点不同”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
考点分析:
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