单词拼写（每空1分，共5分）

小题1:At that time, I was so nervous that I didn’t know what     (do).

小题2:I can’t solve the problem. Could you give some      (advice) to me?

小题3:I     (run) along the street when the accident happened.

小题4:Yesterday I got my report card, my math teacher gave me a          (disappoint) report. My father was angry with me.

小题5:We don’t study Japanese at school. I learn it by      (I).

撑起驱动桥，启动发动机，逐步换入高速挡，收回油门，车速下降时，传动轴摆震加大，则可判断为（）所致。

A、驱动轮不平衡

B、传动轴中间轴承松旷

C、传动轴弯曲或凸缘轴管歪斜

D、主减速器间隙过大