风险管理的最根本的动力来源是银行的高级管理层。( )
参考答案:错
—You look upset. What’s the matter?
—I had my proposal again.
A.turning down
B.turned down
C.to turn down
D.turned to
雨水钢管管道焊缝加强面宽度的允许偏差为( )mm。
A.+1B.+5C.±1D.±5