股票的理论价值是（）.
A、票面价值
B、帐面价值
C、清算价值
D、内在价值
参考答案：D
There was a heavy rainstorm yesterday. The flood ________ the bridge over the small river.
A．washed away
B． put away
C．went away
D．kept away
下列属于病理性抵抗的是（）
A.滑膜炎
B.骨软化症
C.骨折
D.心理反应
E.骨化性肌炎
