【简答题】阅读以下代码,完整陈述其功能: Private Sub Workbook_BeforeClose(Cancel As Boolean) Dim ws As Worksheet For Each ws In ThisWorkbook.Worksheets If ws.Visible = False Then Cancel = True MsgBox "存在隐藏工作表,不允许关闭" End If Ne...
【判断题】According to the comparative cost theory, countries should specialize in the production of goods and services that can produce most efficiently. A country is said to have a comparative advantage in th...