270 If the distance illuminated by the headlights suddenly grows longer, it's probably because the vehicle is moving downhill. Therefore, the driver is required to:
(A) slow down.
(B) speed up.
(C) turn off their headlights for safety reasons.
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統計: A(1), B(0), C(0), D(0), E(0) #2214731
統計: A(1), B(0), C(0), D(0), E(0) #2214731