单项选择题

Wearing a seat belt in a vehicle

A．reduces road accidents to more than half.
B．saves lives while driving at a speed up to 30 miles per hour.
C．reduces the death rate in traffic accidents.
D．saves more than 15,000 lives each year.

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热门试题

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 exhausting than women after 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 is young.

单项选择题

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

A．30,000.
B．60,000.
C．Approximately 30,000.
D．Above 30,000.