A
It will shorten the engine life
B
It will increase vehicle fuel consumption.
C
It will cause the brake temperature to rise and the braking efficiency to drop sharply.
✓
D
It is easy to cause the vehicle to overturn.
ANSWER · C
On a long downhill, the downward force on the vehicle is large. Continuous braking heats the brake pads and the wheel axles through friction, and the brake pads also wear severely.
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