要使某控件在运行时不可显示,应对属性( )进行设置。
A.Enabled
B.Visible
C.BackColor
D.Caption
参考答案:B
Mr. Reed makes up his mind to contribute all he had to ____ some schools for poor children. [ ]
A. set up
B. setting up
C. have set up
D. having set up
下列哪项试验不是凝集反应()
A.快速血浆反应素环状卡片试验
B.ABO血型鉴定
C.免疫妊娠试验
D.肥达反应
E.中和反应