抗震设防烈度为8度时,设计基本地震加速度宜为()。
A.0.05g
B.0.10g
C.0.20g
D.1.40g
参考答案:C
解析:
第3.2.2条、表3.2.2
计算:
2x5·(-x)2-(-x2)3·(-7x)。
In order to ____ the debt, the couple has worked hard for years with little food and only a small room to live in and never a moment's rest.
A.pay for
B.pay back
C.pay
D.return back