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问题 单项选择题

（）is an area within the radiotelephone coverage of at least one VHF coast station in which continuous Digital Selective Calling is available.

A.Sea Area A1

B.Sea Area A2

C.Sea Area A3

D.Sea Area A4

答案

参考答案：A

选择题

----- As we know, you won’t go back to the USA since you have established a research center here．But how long _____ in America?

----- For almost 10 years．

A．did you study

B．have you studied

C．were you studying

D．have you been studying
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判断题

从最早的直觉化决策方式，到图形化决策方式，再到指标化决策方式，直到最近的模型化决策方式以及正在研究开发中的智能化决策方式，技术分析流派投资分析方法的演进遵循了一条日趋定量化、客观化、系统化的发展道路。( )
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