325 Drivers should shift into low gear when driving downhill. What is the best time to shift into a lower gear?
(A) Before the vehicle starts moving downhill.
(B) As the vehicle is picking up speed moving downhill.
(C) Both statements are true.

答案:登入後查看
統計: A(3), B(0), C(0), D(0), E(0) #2214786