令First=Ann,则下列表达式为真。The expression is true or false if First=Ann.FirstNan
令First=Ann,则下列表达式为真。The expression is true or false if First=Ann.FirstNan
A.正确
B.错误
正确答案:正确
Tags:first表达式expression
令First=Ann,则下列表达式为真。The expression is true or false if First=Ann.FirstNan
A.正确
B.错误
正确答案:正确
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