Safe Driving第 72 / 80 题

When you stop at a railroad crossing, listening for a train is important because:

a.It is required to entertain passengers
b.You may hear a train you cannot yet see
c.It saves fuel
d.It signals other drivers

解析

Trains can approach faster than they appear, and a train may be hidden by curves, buildings, or weather. Opening the window and door to listen can warn you of a train you cannot yet see. Never rely on sight alone at a crossing.

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