需做再植术的是
A．年轻恒牙冠折牙本质暴露B．年轻恒牙根折C．全脱位半小时的恒牙D．乳牙嵌入E．乳牙牙齿震荡
参考答案：C
巩膜占眼球表面的（）。
A.5／6
B.3／6
C.4／6
D.2／6
E.1／6
For an analyst evaluation the common stock of a financial institution that reported a small loss for the year ended 31, December 2008, the price multiple that is least likely to be meaningful is:（）
A. Price to cash flow.
B. Trailing price to earnings.
C. Leading price to earnings.
