单项选择题

Bicycling, according to the speaker, is mainly a form of______.

A．recreation
B．challenge
C．efficiency
D．transportation
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单项选择题
What is most probably the woman doing at the beginning of the conversation
A．She is sweating all over.
B．She is sitting and talking.
C．She is singing a Salome song.
D．She is showing a book on danc
单项选择题
It seems that the man is most likely a______man.
A．thin
B．fleshy
C．slender
D．delicate
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