对于承包商而言,中介与代理风险属于( )。
A.决策错误风险
B.人为风险
C.责任风险
D.社会风险
参考答案:A
All the employees of the company received a(n) _____ of $ 200 apart from their salary at the end of the
year to celebrate our traditional Spring Festival. [ ]
A. advantage
B. reward
C. bonus
D. fare
风机叶片导叶上的积尘至少应多长时间清扫一次?