我国安全生产方针的思想核心是()。
A.安全第一
B.以人为本
C.预防为主
D.以人为主
参考答案:B
资产要素是动态要素,反映某一时期企业的财务状况。()
The new secretary is and therefore the manager is satisfied with her work. [ ]
A. effective
B. efficient
C. specific
D. sufficient