与可转换证券相关的价值是()。
A.实际价值
B.理论价值
C.失衡价值
D.转换价值
参考答案:B, D
I _______ go to school on foot, because my home is next to the school.
A. always B. seldom C. never
下列运算符中不能进行位运算的是
A.>>
B.>>>
C.<<
D.<<<