单项选择题
下列各项中标志着现代证券组合理论开端的是()。
A.证券组合选择
B.套利定价理论
C.资本资产定价模型
D.有效市场理论
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单项选择题
当程序中存在(26)时,程序运行容易陷于死循环。C语言规定,函数定义及函数调用应该遵循的原则是(27)。求解同一个问题,采用递归方式编写的程序相对于递推方式的程序执行效率较低的原因是(28)。
A.语法错误
B.静态的语义错误
C.词法错误
D.动态的语义错误
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单项选择题
W: Could you please tell me what room Robert Davis is in?M: Yes, he’s in the intensive care unit on the fourth floor. I suggest that you check with the nurse’s station before going in, though.Q: Where did this conversation most probably take place?()
A.At gas station.
B.At a bank.
C.At a hospital.
D.At a school.
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