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单项选择题

How many people in the front of the vehicles are killed or seriously injured every year

A．30000.
B．60000.
C．Approximately 30 000.
D．Above 30 000.

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热门试题

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

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