题目内容

空载电势相量超前于机端电压相量的角度称为功率角

A. 对
B. 错

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什么是等价类划分法？该方法设计测试用例的主要步骤是什么？

某“调整工资”处理模块接受一个“职称”的变量，根据职称的不同（助教，讲师，副教授，教授）作不同的处理，其中若是助教还必须输入工龄，只有工龄超过两年才能调整工资。请用等价类划分法设计测试用例。

Match the explanations in Column B with words and expressions in Column A.(搭配每组中意义相同的词或短语)

Choose the proper words to fill in the blanks.（选词填空）Types of ComputerComputer can be generally classified by size and power as following, though there is considerable overlap among them.A refers to a small, single-user computer based on a microprocessor, with a keyboard for entering data, a monitor for displaying information, and a storage device for saving data.A is a powerful, single-user computer, which, though looking like a microcomputer, has a more powerful microprocessor and a higher-quality monitor.A stands as a multi-user computer capable of supporting from 10 to hundreds of terminals（终端）or users simultaneously（同时地）.A ,synonymous with “giant”, is the name for a powerful multi-user computer which supports hundreds of thousands of users at the same time.A describes an extremely fast computer that can perform hundreds of millions of instructions per second.Words to be chosen from:（可选词）Supercomputer, minicomputer, mainframe, workstation,personal computer