单项选择题

Wearing a seat belt in a vehicle______.

A.reduces road accidents by 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
According to the text, which of the following people riding in the front does not have to wear a seat belt
A.Someone who is backing into a parking space.
B.Someone who is picking up the children from the local school.
C.Someone who is delivering invitation letters.
D.Someone who is under 14.
单项选择题
The reason why women and blacks play down their visibility is that they______.
A.know that someone in authority will reach down and give them a promotion
B.want to give people the impression that they work under false beliefs
C.don' t want people to think that their promotions were due to sex or color
D.believe they can get promoted by reason of their sex or color
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