以下描述正确的是（）。 -题库考试答案搜索网

以下描述正确的是（）。

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2021-07-17 23:12

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">使用while和do-while循环时，循环变量初始话的操作应在循环体语句之前完成</span>
B、<span style="FONT-SIZE: 14px; TEXT-DECORATION: underline">while循环是先判断表达式，后执行循环语句</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">do-while</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">和for循环均是先执行循环语句，后判断表达式</span>
D、<span style="FONT-SIZE: 14px; TEXT-DECORATION: none">for，while和do-while循环中的循环体均可以由空语句构成</span>

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正确答案

ABD

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标签：计算机网络技术高起专 C++程序设计基础 2020年第二学期期末考试计算机科学与技术（脱产）专升本 C++语言程序设计平时作业2

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