15.
M: Sorry to trouble you. But is there any possibility of borrowing a blanket? I feel cold.
W: I think we've got one. Could you wait until after take-off please?
Q: What is the probable relationship between the two speakers?
正确答案：B
解析：男士觉得冷，要求借一张毛毯。女士要等起飞后给他。可见对话发生在飞机上，B正确。对话中的take-off意为“起飞”。

16.
W: I am worried about Jenny going to college. College students are so wild nowadays.
M: Actually, only a few are like that. Most students are too busy studying to have time to cause trouble.
Q: What does the man imply?
正确答案：B
解析：当女士说“如今的大学生实在太野了”时，男士回答说：“只有极少数人是这样的，大多数人则……”。可见他持不同看法，B正确。D与男士的观点相反。