合格的试压是指压力稳定后能够保持试验压力（）分钟压降不超过5%。
参考答案：10
跨国税收筹划产生的主观动机是( )。
A．规避风险的需要 B．扩大规模的需要C．追求利润最大化的需要 D．各国税制及法律的差异
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
