高压管三通开口时,应按支管内径采用()开孔。
A.气焊
B.电焊
C.电钻
参考答案:C
(2013·陕西,14)The witnesses ________ by the police just now gave very different descriptions of the fight.
A.questioned
B.being questioned
C.to be questioned
D.having questioned
假设一个表单里有一个文本框Text1和一个命令按钮组CommandGroup1,命令按钮组中包含Command1和Command2;两个命令按钮。如果要在Command1命令按钮的某个方法中访问文本框的Value属性值,下列式子中,正确的是( )。
A. ABCDDEfEBD
B. abcDDfefDbD
C. abcAAfefALbA
D. Abcddfefdbd