----How about going hiking this weekend?

----Sorry, I prefer _____rather than _____.

A．to stay at home, go out

B．to go out, stay at home

C．staying at home, go out

D．going out, stay at home.

在民用建筑详勘阶段，勘探点间距的决定因素是()。（）

A．(A) 岩土工程勘察等级

B．(B) 工程重要性等级

C．(C) 场地复杂程度等级

D．(D) 地基复杂程度等级