【单选题】
下列声明数组的语句中,错误的选项是( )(选择一项)
①
var student =new Array( );
②
var student =new Array(3);
③
var student[] =new Array(3) (4);
④
var student =new Array(rose,mick
【单选题】
VB中将变量xl声明为Excel应用程序对象的方法是()。
①
Dim xl As Excel.Application
②
Dim xl As Excel.Workbook
③
Dim xl As Excel.Worksheet
④
Dim xl AS Excel.WorkSheets