下列哪些表现符合偏头痛的临床特点()
A.青年多见
B.多伴有意识障碍
C.10%有视觉先兆
D.伴有恶心呕吐
E.女性多见
参考答案:A, C, D, E
I have finished translating a large part of the book, but the rest ___ more difficult.
A.is
B.are
C.was
D.were
窗体上有1个名为List1的列表框,其中已经输入了若干个项目(如图所示);还有2个文本框,名称分别为Text1、Text2,1个名称为Command1的命令按钮,并有以下程序:
Private Sub Command1_Click() Dim str As String,s As String,k As Integer s=Text1 str="" For k=List1.ListCount-1 To 0 Step-1 If InStr(List1.List(k),s)>0 Then str=str & List1.List(k)&" " End If Next k If str="" Then Text2="没有匹配项目" Else Text2=str End If End Sub 程序运行时,在Text1中输入“京”,单击命令按钮,则在Text2中显示的内容是( )。