在管道沿线设置测试桩的目的是（）。
A.保护管道
B.对管道进行标记
C.检测阴极保护参数
D.方便管道维修
参考答案：C
A．小周同学对日常现象与它们所包含的物理原理的连线情况如下
B．蒸发与沸腾的比较
C．近视眼与远视眼的比较
D．晶体和非晶体的比较
The tools and techniques of quantitative risk analysis are______．
A．contracting，contingency planning，alternative strategies，and insurance
B．interviewing，historical results，workarounds，and additional response development
C．checklists，damage control reports，standard allowances, and inspection
D．data gathering and representation techniques，and quantitative risk analysis and modeling techniques
