赞题库-背景图

单项选择题

VB中，若没有显式声明变量的数据类型，则默认的类型是

A．整型
B．字符型
C．日期型
D．变体类型

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热门试题

单项选择题有数据定义语句：Dim a，b As Integer Dim x%，y as Integer执行语句后，不是整型变量的是

A．a
B．b
C．x
D．y

单项选择题以下自定义数据类型的语句中，正确的是

A．Type student ID As String * 20 name As String * 10 age As Integer End student
B．Type student ID As String * 20 name As String * 10 age As Integer End Type
C．Type student ID As String name As String age As Integer End student
C．Type ID As String * 20 name As String * 10 age As Integer End Type student