试题与答案

按照C语言规定的用户标识符命名规则,不能出现在标识符中的是【 】。A.大写字母

题型:单项选择题

题目:

按照C语言规定的用户标识符命名规则,不能出现在标识符中的是【 】。

A.大写字母

B.连接符

C.数字字符

D.下划线

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析: 本题属于组合数列,从第三项开始,后一项都是前面所有项之和,即1+3=4,1+3+4=8,1+3+4+8=16,故第六项为1+3+4+8+16=32。故选C。

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题型:单项选择题

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3()

A. against

B. off

C. of

D. out of

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