为了在报表中加入一个文字说明,这时应该插入一个( )。
A.表达式控件
B.域控件
C.标签控件
D.文本控件
参考答案:C
解析: 报表设计器中的标签控件用来设置说明性文字或标题文本。
— Do you know the man came here yesterday?
— Yes, he brought me the most interesting book I had wanted to buy.
A.who; what
B.whom; which
C.who; that
D.whom; that
(1)铁在氧气中燃烧:______;
(2)硫跟氧气反应:______;
(3)用过氧化氢与二氧化锰制氧气:______.