评价作业条件危险性的一种简单易行的方法是( )。
A.LEC法
B.安全检查表法
C.事故树法
D.事件树法
参考答案:A
生千金子的内服用量是()
A.3~6g
B.3~9g
C.1~2g
D.0.5~1.5g
E.0.3~0.6g
Regulations of Customs duties on Imports and Exports of the People' s Republic of China is one of the _______ basis of the collection of the Customs duty.
A.legalB.financialC.managerial D.none of the above