计算机专业英语 - 拆分37

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广东开放大学 2023年春季招生简章

题目：There are three different types of software maintenance. Firstly, there is maintenance to repair software ( ). Coding errors are usually relatively cheap to correct; design errors are more ( ) as they may involve rewriting several program components. Requirements errors are the ( ) expensive to repair because of the extensive system redesign that may be ( ). 1.most 2.expensive 3.faults 4.necessary

参考答案：

A、3214

B、4132

C、2314

D、3124