中国大学MOOC: 数组a是个整数数组且已有数据，如要在a中查找InputBox中输入的数字，并输出其下标。程序如下，请在_________处填入适当的内容，完善程序。 Dim i%, idx%, key% key = Val(InputBox("输入要查找的数字")) idx = -1 For i = 0 To UBound(a) If a(i) = key Then _________ Exit For End If Next If idx >= 0 Then MsgBox ("下标为" & idx) Else MsgBox ("找不到此数字") End If

表文件的扩展名为______。 A: DBC B: DBF C: IDX D: PJX

Word文档的后缀名为（）。 A: xls B: doc C: idx D: dat

_______________ is true about customers’complaints. A: Most of the customers will complain about the products. B: Many customers don't even bother to complain C: 20% of customers are satisfied with the original company. D: Customers’satisfaction is relatively enough.

智慧职教: All the countries are customers or _______customers of the United States.

顾客表Customers和订单表Orders均包含订单ID字段CustomerID，仅有Customers表内包含顾客联系方式Telephone,且仅有订单表内包含订单号OrderID，为查询Order表内OrderID为‘10249’的顾客联系方式，请写出嵌套查询的SQL语句。

下列Find函数的功能是在数组里查找数字key，返回该key在数组中的下标，如果找不到则返回-1。请在_________处填入适当的内容完善程序。 Function Find(ByRef a%(), ByVal key%) As Integer Dim idx%, i% idx = -1 For i = LBound(a) To UBound(a) If a(i) = key Then _________ Exit Function End If Next Find = idx End Function

Customers who matter the most mean that those customers are irrelevant to you.

Customers on the high street behave very differently from customers online.

SQLServer事务日志文件的扩展名为（） A: mdf B: ndf C: ldf D: idx