题目内容

计算乙商场3月份零售金银首饰的增值税销项税额。

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文件中下划线部分所起到的作用是______。

听力原文：F: Good afternoon, Imports and Distribution Department. Can I help you？
M: Can I speak to Albert Reid, please.
F: I'm afraid he is out at the moment. Can I take a message？
M: Yes, this is Mr Stevens from Walterman's, the property agents.
F: Is that W-A -T -E -R-M-A-N？
M: No, no, it's W-A-L-T-E-R-M-A-N. It's about the warehouse he wanted. We just have one available at Boxhill. I wonder if Mr Reid has any interest. It was new this morning and seems to be the kind he is looking for.
F: Where is it exactly？
M: Well, it's on Sydney road, very close to the railway station and about 500 square meters. I've got some details and I can send them by E-mail. They'll tell everything he wants to know.
F: Thank you for calling and I'll tell him about it. Do you want him to call you back？
M: OK, thank you. He can contact me through my mobile phone. It's 95076 36587. Maybe we can arrange a time to see the warehouse.
F: Yes, thanks again. Good-bye, Mr Stevens.
M: Bye-bye.
&8226;Look at the form. below.
&8226;You will hear a man calling from a property agent.
Message
For: Albert Reid
From: Mr Stevens, from (5) the property agents
Message:
About (6) one available at Boxhill, on Sydney Rd. , close to (7)
Going to send more information by E-mail
Ring his (8) on 95076 26587 for further arrangement

阅读以下应用说明以及用Visual Basic语言编写的程序代码，将应填入(n)处的字句写在答题纸的对应栏内。
【应用4.1】
设应用程序的运行窗口内有一个文字标签(Label)以及一个框架，其中有三个复选框(chk1，chk2，chk3)，各个复选框单击事件过程的程序代码如下：
Private Sub chkl_Click()
Label.fontBold=chkl.Value
End Sub
Private Sub chk2_Click()
Label.fontltalic=chk2.Value
End Sub
Private Sub chk3_Click()
Label.fontUnderLine=chk3.Value
End Sub
三个复选框chkl、chk2、chk3的功能分别是：(1)。
【应用4.2】
设应用程序的运行窗口内有两个文本框Txt1和Txt2，其初始内容为空。在Txt1文本框中输入一个数值，当光标离开此文本框(例如进入文本框Txt2)时，执行的程序代码如下：
Private Sub Txt1_LostFocus()
dim x aS double
x=Val(Txtl．Text)
工f x＜0 Or x＞100 Then
Txtl.Text =""
MsgBox$("请重新输入!")
Txtl.SetFocus
Else
Txt2.Text=Txt1.Text
End If
End Sub
该程序代码的功能是：若在文本框Txtl中输入的数值小于0或大于100，当光标离开此文本框时，(2)；否则，将其值复制到文本框Txt2中。
【应用4.3】
在下面的应用中，当窗口内发生C1ick事件时，窗口内将显示如图2-4所示的杨辉三角(每一行都是二项式展开的系数)。请完善程序代码。
Private Sub Form. Click()
Dim i，j，c As Integer，StrTemp AS String
Dim a(9)As Integer
a(0)=0=a(1)=l：StrTemp=Str(a(1))+Space(3)
CurrentX=(ScaleWidth-TextWidth(StrTemp))/2
Print StrTemp
For j=2 TO 9
a(j)=1
For C=j-1 TO 2 Step-1
a(c) =(3)
Next
(4)=""
For c = 1 To j
StrTemp = StrTemp & Str((5)) & Space(5 - Len(Str(a(c))))
Next
CurrentX = (ScaleWidth - TextWidth(StrTemp)) / 2
Print StrTemp
Next End Sub

The airline is in the process of upgrading some of its facilities.