【单选题】窗体上已有命令按钮Command1和标签Label1,下列程序运行后,单击Command1按钮,标签Label1中显示的内容是( )。 Option Base 0 Private Sub Command1_Click() Dim a(5)As Integer,n As Integer For i = 1 To 5 a(i)= i n = n + a(i) Next i Label1 = str(...
【简答题】函数 y= 1 2x+1 中,自变量x的取值范围是______;函数 y= 4-x 中,自变量x的取值范围是______.
【判断题】复式记账法包括借贷记账法,目前我国采用的复式记账法是收付记账法。
【单选题】Why does Maria go into the mobile ice-cream business?
A.
To preserve a tradition.
B.
To amuse her daughter.
C.
To help local education.
D.
To make some extra money.
【简答题】函数 y= 1 x-5 中,自变量x的取值范围是______;函数 y= x-3 中,自变量x的取值范围是______.