脚手架的任何部分均不得与模板相联
参考答案:对
The black clouds have _____ the sun and it is going to rain. [ ]
A. blocked in
B. blocked off
C. blocked out
D. blocked up
A response to a risk that was not defined in advance of its occurrence is called a______.
A.risk mitigation response
B.workaround response
C.corrective action response
D.contingency response