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Safety in thehighway is not totally out of hands. Here are four
ways we canprotect ourselves when we travel.
You are safer in a  large car. People in small cars are
injured more often and more severely than  people traveling in
large cars. Factories of small cars are strengthening their
products' safety, which helps. But the mix of large cars and
small cars on the road is the main reason of the problem.
Being thrown into glass and metal car parts, or being
thrown from the car, can really damage to you. That's why
safety belts should be worn. The safety belt's main purpose is
if your car has a sudden crash with another vehicle or
object, or if it rolls over. A belt can reduce the chance of fatal
injury by 45% and the chance of serious injury by 50%.
Air bags are important. More than half of all new cars sold
have air bags. Air bags provide protection in frontal ( 正面的)
crashes-the type of crash that kills the most drivers-
when they are also wearing safety belts. Most people are
demanding air bags in the cars they buy. But the protection
provided by air bags is limited in side or rear crashes; effective
as they are, they can't take the place of safety belts.
Drunk driving crashes are less likely to happen if you don't
drink. Drunk driving is the most serious problem. Many people
have realized that drunk driving can lead to death and injury,
prison time and other results. There are movements to
strengthen penalties ( 处罚) for drinking and driving.
1. What is the main idea of the passage? (Please answer within 10 words. )
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2. Which of the sentences in the passage can be replaced by the following one?
Although they are effective, you should still wear your  safety belts while driving.
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3. Please fill in the blank with proper words to make the sentence completed.
(Please answer within 6 words. )
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4. Please translate the underlined sentence into Chinese.
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5. What other suggestions can you offer? Why? (Please answer within 30 words. )
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