题目

【2019 • 湖北省恩施州】 Beijing opened its first bicycle-only road at 7 a.m. on May 31, which is expected to reduce traffic in the area between Huilongguan and Shangdi. According to Beijing Municipal Commission of Transport, the 6.5-kilometer-long road has a highest speed of no more than 15 kilometers per hour and pedestrians, electric bicycles and other vehicles are not allowed to enter the road. Besides, there are three lanes(车道) on the six-meter-wide  road. On Thursday, May 30, Peng Liyuan said that China is ready to work with the international community to create a good env  “湘潭是我家,爱护靠大家”.自我市开展整治“六乱”行动以来,我市学生更加自觉遵守交通规则.某校学生小明每天骑自行车上学时都要经过一个十字路口,该十字路口有红、黄、绿三色交通信号灯,他在路口遇到红灯的概率为,遇到黄灯的概率为,那么他遇到绿灯的概率为(  )   A. B. C. D.
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