变形速度对摩擦系数没有影响。
参考答案：错
停车场有36辆汽车，开走了15辆之后，又停靠24辆。现在停车场上有多少辆汽车？
The old man said the accident________careless driving, so a lot of money________be paid by the driver.[ ]
A. was due to; was due to
B. due to; was due to
C. is due to; has due to
D. is due to; was due to
