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  3. Cars are lots of fun, but they could also be dangerous. We have to be carefu

Cars are lots of fun, but they could also be dangerous. We have to be carefu

游客2023-10-09  49
问题     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 skateboard(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 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 air bags will come out quickly--in less than one second--to keep the people inside safe.
选项 A、little fun
B、a pleasure
C、a lot of trouble
D、a great danger
答案 D
解析 本题为细节题。由题干be careful定位到文章第一段的第一句话“ Cars are lots of fun，but they could also be dangerous．”开车小心的原因是因为“汽车同样电可能带来危险。”此句叙述与选项D一致。A、B、C项与原文不符，因此，答案是D。
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