对公共政策终结存在抵触心理的人员主要有（）
A.政策受益者
B.政策受害者
C.政策制定者
D.政策执行者
参考答案：A, C, D
The holding power of an anchor increases when the（）.
A.amount of chain lying along the bottom increases
B.length of the catenary is reduced
C.mooring line tension is increased
D.amount of chain lying along the bottom decreases
为了减少CO2焊的飞溅，焊丝的含碳量必须小于0.10%。
