_____ achievement, last week’s ministerial meeting of the environment here earned a low, though not a failing grade.

A．In addition to

B．In favor of

C．In terms of

D．As a result of

最大弯曲正应力计算公式为（）。

A.σ=N/A

B.σmaB=MmaB/Wz

C.σ=M.y/Iz

D.σ=E.ε