简化口腔卫生指数所检的代表牙是
A.16、26、11、31的唇(颊面)B.36、46的舌面C.16、26的唇(颊)面D.11、13、36、46的舌面E.A+B
参考答案:E
单击命令按钮时,下列程序的执行结果为( )。 Private Sub Command1_Click() Dim x As Integer,y As Integer x=50:y=78 Call PPP(x,y) Print x;y End Sub Public Sub PPP(ByVal n As Integer,ByValm As Integer) n=n\10 m=m\10 End Sub
A. 多态
B. 继承
C. 封装
D. 垃圾回收
Suppose the price of computers increases from $1000 to $1200. Assuming the original quantity demanded for computers was 50 million units, and the new quantity demanded is 45 million computers, what is the price elasticity of demand, and is the demand for computers elastic or inelastic()
A. 0.58,
B. -0.58,
C. 1.73,