把红白蓝三种颜色的小旗各10面混在一起.如果让你闭上眼睛拿,每次至少拿______面小旗才能保证一定有两面小旗是同色的.
3+1=4(面)
故答案为:4.
在工程中的标准模块中定义了如下数据类型: Type fruitorange As Integerapple As Integer End Type 在窗体上有—命令按钮Command1,要求当单击命令按钮时在C:\根目录下的顺序文件myfrtac.txt 中写入一条记录,下列能够完成改操作的事件过程是______ 。
A.Private Sub Command1_Click() Dim myfrt As fruit myfr orange = 5 myfr apple = 10 Open “c:\myfrt txt” For Output As #1 Print #1, myfr orange; myfr apple Close #1 End Sub
B.Private Sub Command1_Click() Dim myfrt As fruit myfr orange= 5 myfr apple= 10 Open “c:\myfrta txt”For Input As #1 Print #1, myfrt, orange; myfr apple Close #1 End Sub
C.Private Sub Command1_Click() Dim myfrt As fruit myfr orange= 5 myfr apple = 10 Open “c:\myfrta txt” For As #1 Print #1, myfr orange; myfr apple Close #1 End Sub
D.Private Sub Command1_Click() Dim myfrt As fruit myfr orange = 5 myfr apple= 10 Open “c:\myfrta.txt” For Output As #1 Print myfr orange; myfr apple Close #1 End Sub
深感觉