住宅阳台一般情况均布活荷载标准值()kN/m2。
A.1.5
B.2.0
C.2.5
D.3.0
参考答案:C
不需要事先建立就可以使用的变量是( )。
A.公共变量
B.私有变量
C.局部变量
D.数组变量
I wish I ____ there to witness the wedding ceremony of Prince William and Kate last month.[ ]
A. be
B. were
C. had been
D. was