首页/ 题库 / [单选题]有程序：ADD（X，Y）=X**2+YO的答案

有程序：ADD（X，Y）=X**2+YOPEN（8，FILE=‘F’，STATUS=‘NEW’，ACCESS=‘DIRECT’，*FORM=‘UNFORMATTED’，REAL=16DO10I=1，4D=ADD（REAL（I），2、0）WRITE（8，REC=I）D10CONTINUECLOSE（8）OPEN（2，FILE=‘F’，STATUS=‘OLD’，ACCESS=‘DIRECT’，*FORM=‘UNFORMATTFED’，REAL=6DO20I=2，4，2READ（2，REC=I）CWRITE（*，30）C20CONTINUE20FORMAT（1x，F4．1）CLOSE（2）END执行此程序的结果是：（）

单选题
2021-12-27 23:53
A、3.0；11.0
B、6.0；11.0
C、6.0；18.0
D、11.0；18.0
查看答案
正确答案
C
试题解析
当打开一个新文件F．DAT后，共往里写了4条记录。每条记录分别按照定义的语句函数进行计算，第一条记录的值为3．0，第二条记录的值为6．0，第3条记录的值为11．0，第4条记录的值为18．0。按照循环语句只输出第2条及第4条记录的值，则应选择答案C。
标签： 计算机应用基础 一级结构工程师基础知识 CMS专题 注册一级结构工程师 公共基础知识
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