设计无规定时，室内给水系统试验压力不小于______MPa。
A．0.5
B．0.6
C．0.8
D．1.0
参考答案：B
No adults would like to admit that they are weaker than children to solve sticky and puzzling problems.
A．to solve about
B．solve
C．in solving about
D．in solving
定性预测和定量预测按预测的______来划分的。( )
A．形式 B．结果 C．方法 D．时间长短
