●During the last few years,it has been realized that maintenance of programs is
●During the last few years，it has been realized that maintenance of programs is more expensive than development,so reading of programs by humans is as important as (73) them.
(73) A．editing
B．writed
C．written
D．writing
正確答案：D【解析】在過去的幾年里，人們已經(jīng)意識到程序的維護比開發(fā)更重要，所以程序的易讀性和程序的書寫一樣重要。
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