听力原文:M: This is a great way to meet new people. W: Yes, it is. I like the way that people have brought dishes from their own countries to share with others. Q: Where are the man and woman most likely to be? (16)
A.
In a hotel room.
B.
In a restaurant.
C.
At a disco.
D.
At a party.
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举一反三
【单选题】单筋矩形截面梁发生受弯破坏时,当破坏时混凝土受压区截面高度 x b ( x 等效受压高度, x b 为界限受压时受压区高度)时,可判定此梁为( )。