车架变形，前后轮不在同一平面内旋转，将出现（）。
A.行驶过度颠簸
B.行驶跑偏
C.转向不灵
D.方向把抖
参考答案：B
—The story is hard to understand, isn't it ?
—Yes, though it's short and there are _____ new words in it. [ ]
A. a lot of
B. some
C. a few
D. few
变压器温度升高时。绝缘电阻测量值（）。
A、增大；
B、降低；
C、不变；
D、成比例增大。
