“Traffic lights are there to guide traffic in an orderly way.Pedestrians,cyclists and drivers should all obey traffic lights ,stopping when the lights is red and waiting for it to turn green to go .
人气:143 ℃ 时间:2020-06-14 08:05:12
解答
交通信号灯的作用是使交通通畅有序.行人,骑自行车的人和司机都应该遵守交通规则,红灯亮时停止通行,绿灯亮时才能通行.
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