单项选择题

The different ways men and women move their body indicate that ______.

A．bone structures in men and women are arranged differently
B．women's bones are more ready to movement
C．men always move their bodies with waste motions
D．women are good at climbing upwards

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单项选择题

That boys suffer more from air pollution can possibly be justified by the fact that ______.

A．the male have larger bones than the female
B．women can manufacture blood more efficiently than men
C．men usually breathe more deeply than women
D．women breathe as often as men

单项选择题

It can be concluded from the passage that ______.

A．men suffer more from sun's radiation than women do
B．men will be more exhausted than women after a long trip
C．the higher proportion of fat in women's body makes them easier to lose weight
D．an aged man can still exercise his body as he was young