增加项目资源是风险应对计划制定的()方法。
A.避免
B.转移
C.缓解
D.接受
参考答案:C
Though I have often heard this song _______. I have never heard you _______ it.
A.being sung, sang
B.sang, singing
C.sung, sing
D.to be sung, to sing
高处作业时,由于特种作业人员的违章操作造成的安全事故,占生产经营单位的()%左右。
A、80
B、90
C、70