为了在报表中打印当前时间,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:B
已知关于x的方程x-m=1与方程2x-3=-1的解互为相反数,则m=
A.2
B.-2
C.0
D. 1
-----Do you usually take a vacation?
-----Yes, I like to go away______.
A.one time this year
B.once a year
C.one time a year
D.one time in a year