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问题 单项选择题

“通过指明一系列可执行的运算及运算的次序来描述计算过程”是 ( ) 语言的特点。

A．逻辑式

B．函数式

C．交互式

D．命令式 (或过程式)

答案

参考答案：D

单项选择题

设有道口信号复示器的道口控制盘，当列车进入道口接近区段时，复示器点亮（）表示灯。

A、白色

B、红色

C、绿色

D、红闪
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单项选择题

In October, James Knight owned stock in Valerio, Inc. , that was valued at $45 per share. At that time, Knight sold a call option on Valerio with an exercise price of $60 for $1.45. In December, at expiration, the stock is trading at $32. What is Knight’s profit (or loss) from his covered call strategy Knight:

A．

A. lost $11.55.

B．

B. lost $13.00.

C．

C. gained $1.45.
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