赞题库-背景图

单项选择题

以下变量名中合法的是______。

A．x2-1
B．Print
C．str_n
D．2x

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热门试题

单项选择题以下自定义数据类型的语句中，正确的是______。

A．Type studentID As String * 20name As String * 10age As IntegerEnd student
B．Type studentID As String * 20name As String * 10age As IntegerEnd Type
C．Type studentID As Stringname As Stringage As IntegerEnd student
D．TypeID As String * 20name As String * 10age As IntegerEnd Type student

单项选择题以下选项中，不合法的Visual Basic的变量名是______。

A．a5b
B．_xyz
C．a_b
D．andif