现今,越来越多的人居住在城市。因此,交通繁忙,但通常道路不足,而且很多道路太窄。这就是交通事故多的原因。在全世界的城市中,成千上万的人死伤于交通事故。当然,交通事故也会发生在城市以外的乡村,但那里的交通不那么繁忙,因此交通事故也就没有那么多。 为什

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问题     现今,越来越多的人居住在城市。因此,交通繁忙,但通常道路不足,而且很多道路太窄。这就是交通事故多的原因。在全世界的城市中,成千上万的人死伤于交通事故。当然,交通事故也会发生在城市以外的乡村,但那里的交通不那么繁忙,因此交通事故也就没有那么多。
    为什么会发生交通事故呢?有人说是那些使用道路的人的问题。这就意味着指每一个行人。如果大家都小心一点,事故就不会发生。你同意吗?
    也有人说,我们应当改善道路情况。“改善”是指“建造得更好些”,我们把道路修得更宽更直一些来改善道路。交通事故通常发生在狭窄的道路上或拐角处。驾驶员看不到拐角的地方,他们不能看到其他车辆迎面开来。所以有时候,汽车就会相撞。如果道路改善了,拐角就会有所改变。道路不再急转弯了,而是慢慢地拐弯。你知道拐弯是指什么吗?
    交通事故也经常发生在道路交叉处。那里通常有交通灯。交通灯使一条道路上的车辆停住,让另一条道路上的车辆通过,从而避免车辆相互碰撞。有时候,十字路口没有交通灯而有警察执勤。在有些地方,道路并不交叉,而是一条道路在另一条道路上通过。如果坐在汽车里经过那里,你似乎会感到正在飞越下面的一条道路。

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答案 Nowadays more and more people live in cities. As a result, there is a big traffic, but there are not usually enough roads, and many of the roads are too narrow. That is why there are a lot of traffic accidents. Among the cities all over the world thousands of people are killed or hurt in traffic accidents. Of course, traffic accidents may happen outside cities in the countryside, but there is not so much traffic, so there are not so many accidents. Why do accidents happen? Some people say that it is the fault of the people who use the roads. That means everybody! If everyone is careful, there will be no accidents. Do you agree? Other people say that we must improve our roads. "Improve" means "make better". We improve roads by making them wider and straighter. Accidents often occur on roads or in corners. Drivers cannot see around comers. They cannot see other vehicles coming towards them. Therefore, they sometimes crash into each other. When roads are improved, corners are changed. The road does not turn very quickly, but bends slowly. Do you know what a "bend" refers to? Accidents also happen on the crossing in the roads. There are usually traffic lights there. The traffic lights stop the cars in one road and let the cars in the other go on, which avoids them crashing into each other. Sometimes there is a policeman instead of traffic lights on the crossing. On some occasion, roads do not cross, instead, one road goes above the other. If you pass through there in a bus, you may feel that you are flying over the road below.

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