缓则治本的治则适用于()
A.所有的病证
B.标症紧急的病证
C.标症不急的病证
D.虚弱性病证
E.邪实性病证
参考答案:C
lac操纵子的诱导剂是()
A.半乳糖
B.乳糖
C.阿拉伯糖
D.葡萄糖
E.蔗糖
下列程序的执行结果为()。 Private Sub Commandl_Click() Dim s1 As String ,s2 As String s1= "abcd" Call Transfer(sl,s2) Print s2 End Sub Private Sub Transfer (ByVal xstr As String,ystr As String) Dim tempstr As String ystr=tempstr End Sub
A. dcba
B. abdc
C. abcd
D. dabc