当机体患过敏性疾病时,可将何种细胞计数作为Ⅰ型超敏反应辅助诊断的指标()
A.嗜酸性粒细胞
B.单核细胞
C.中性粒细胞
D.网织红细胞
E.中间大小细胞
参考答案:A
There were so many cars held up by the heavy rain on the road that we had no but to wait.
A.alternative
B.difference
C.relation
D.opposition
在窗体上画一个文本框,其名称为Text1,然后编写如下事件过程: Private Sub Text1_KeyPress(KeyAscii As Integer) Dim strAs String,n As Integer Str=UCase(Chr(KeyAscii) n=Len(str) Text1=String(n,str) End Sub 程序运行后,如果在键盘上输入单字母“k”,则在文本框Text1中显示的内容为( )。
A.kk
B.kK
C.KK
D.Kk