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Cars are lots of fun,but they could also be dangerous.We have to be careful when we drive them or ride in them.

It’s always a good idea to put on your seat belt when you’re in a car.Why Think about this example:You put an egg on a(滑板)and give it a push.If the skateboard hits a stone,it will stop,but the egg won’t.It will fly through the air,hit the ground and break.

Now,think what would happen if you tied the egg to the skateboard.When the skateboard hits a stone,the egg won’t go flying.It will stay safely on the skateboard.

Volvo,a famous Swedish carmaker,was the first man to use seat belts in 1949.Air bags are also very important for car safety,because sometimes a seat belt isn’t enough.If the car is going really fast and runs into something,seat belts could even hurt the people who wear them.

Most newer cars have air bags in front of and next to the seats.When a car hits something,its airbags will come out quickly―in less than one second―to keep the people inside safe.

The example of an egg on a skateboard is used to show that ______.

A.eggs break easily on a moving skateboard

B.cars should not be stopped suddenly

C.seat belts are important to safety

D.driving is a dangerous act

可圈可点用户
2021-02-15 06:35
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答案:C

解析:推断题。该题询问的是作者用“滑板上的鸡蛋”的例子想说明什么。根据例子中滑板受到撞击时鸡蛋是否固定的不同结果,可以推断出开车时如发生交通事故,车内人员是否系安全带结果也会不同。由此可知,安全带对车内人员安全的重要性。因此选项C为正确答案。

可圈可点用户
2021-02-15 11:35
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