滑移率为0时，车轮（）
A.完全滑动
B.安全滚动
C.可能滑动也可能滚动
参考答案：B
An analyst has made the following estimates for a stock: Dividends over the next year0.60 Long-term growth rate 13% Intrinsic value$24 The shares are currently priced at $22.
Assuming the stock price moves to intrinsic value over the next year, what is the expected return on the stockA. 9.1%. B. 11.8%. C. 15.7%.
如图所示车道分界线的作用是什么（）
A．用来分隔同方向行驶的车辆
B．用来分隔反方向行驶的车辆
C．用来分隔机动车、非机动车和行人
D．用来分隔机动车和非机动车
