题目
假定在一个唯-分解环里
(ai不全为零)
证明:当而且只当d是a1, a2,...,an的一个最大公因子的时候b1, b2,...,bn互素。
第1题
A.不能用GoTo 语句进入或转出一个Sub过程
B.可以通过调用执行Sub过程,而且可以嵌套调用
C.Sub过程可以嵌套
D.在Sub过程内,不能定义Sub过程或Function过程
第2题
假定在工程文件中有一个标准模块,其中定义了如下记录类型
Type Books
Name As String * 10
TelNum As String * 20
End Type
要求当执行事件过程Command1_Click时,在顺序文件Person.txt中写入一条记录。下列能够完成该操作的事件过程是()。
A.Private Sub Command1_Click()
Dim B As Books
Open "c:\Person.txt" For Output As #1
B.Name = InputBox("输入姓名")
B.TelNum = InputBox("输入电话号码")
Write #1, B.Name, B.TelNum
Close #1
End Sub
B.Private Sub Command1_Click()
Dim B As Books
Open "c:\Person.txt" For Input As #1
B.Name = InputBox("输入姓名")
B.TelNum = InputBox("输入电话号码")
Print #1, B.Name, B.TelNum
Close #1
End Sub
C.Private Sub Command1_Click()
Dim B As Books
Open "c:\Person.txt" For Output As #1
Name = InputBox("输入姓名")
TelNum = InputBox("输入电话号码")
Write #1, B
Close #1
End Sub
D.Private Sub Command1_Click()
Dim B As Book
Open "c:\Person.txt" For Input As #1
Name = InputBox("输入姓名")
TelNum = InputBox("输入电话号码")
Print #1, B.Name, B.TelNum
Close #1
End Sub
第3题
假定在工程文件中有一个标准模块,其中定义了如下记录类型 Type Books Name As String*10 TelNum As String*20 End Type 要求当执行事件过程Commandl_Click时,在顺序文件Person.txt中写入一条记录。下列能够完成该操作的事件过程是:
A. Prirate Sub Commandl Click() Dim B As Books Open"C:\Person.txt"For Output As #1B.Name=InputBox("输入姓名")B.TelNum=InputBox("输入电话号码") Write #1,B.Name,B.TelNum Close #1 End Sub
B.Pdrate Sub Commandl Cliok() Dim B As Books Open"c:\Person.txt"For Input As #1B.Name=InputBox("输入姓名")B.TeINum=InputBox("输入电话号码") Print #1,B.Name,B.TelNum Close #1 End Sub
C.Private Sub Commandl Click() Dim B As Books Open"c:\Person.txt"For Output As #1 Name=InputBox("输入姓名") TelNunl=InputBox("输入电话号码") Write #1,B Close #1 End Sub
D.Private Sub Commandl Click() Dim B As Books Open"c:\Person.txt"For Input As #1 Name=InputBox("输入姓名") Temum=InputBox("输入电话号码") Write #1,B.Name,B.TelNuin Close #1 End Sub
第4题
A.Private Sub List1_Click()
B.Private Sub List1_Click()Text1.Text = List1.List Text1.Text = List1.ListIndex/ End Sub End Sub
C.Private Sub List1_Click()
D.Private Sub List1_Click()Text1.Text = List1.Text Text1.Text = List1.Caption End Sub End Sub
第5题
假定在工程文件中有一个标准模块,其中定义了如下记录类型: Type Books Name As String*10 TelNum As String*20 End Type 要求当执行事件过程Command1_Click时,在顺序文件Person. txt中写入一条记录。下列能够完成该操作的事件过程是______。
A.Private Sub Command1_Click() Dim B As Books Open"c:\Person. txt" For Output As #1 B. Name=InputBox("输入姓名") B. TelNum=InputBox("输入电话号码") Write #1, B. Name, B. TelNum Close #1 End Sub
B.Private Sub Command1_Click() Dim B As Books Open"c:\Person txt" For Output As #1 B. Name=InputBox("输入姓名") B. TelNum=InputBox("输入电话导码") Print #1, B. Name, B. TelNum Close #1 End Sub
C.Private Sub Command1_Click() Dim B As Books Open"c:\Person. txt" For Output As #1 Name=InputBox("输入姓名") TelNum=InputBox("输入电话号码") Print #1, B Close #1 End Sub
D.Private Sub Command1_Click() Dim B As Books Open "c:\Person txt" For Output As #1 Name=InputBox("输入姓名") TelNum=InputBox("输入电话号码") Print #1, B Name, B. TelNum Close #1 End Sub
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