DropDownList控件Item集合的Count属性值是()。
A.选择项的序号
B.项的总数目
C.选择项的数目
D.选择项的值
参考答案:B
She has no friends ______ because she is new here. [ ]
A. talk
B. talk with
C. to talk with
D. to talk
下表是一些物质的pH,对于胃酸过多的人,空腹时较宜食用的物质是( )
A.番茄
B.葡萄
C.牛奶
D.玉米粥