()是时间管理的落脚点
A.金钱
B.效率
C.环境
D.职务
参考答案:B
我国环境与资源管理中实行“预防为主”原则的理由?
Bags are usually stowed in between the bulk grain().
A.to ventilate the hold
B.to separate the cargo
C.to replace shifting boards
D.to facilitate stowage