以下费用中不属间接费的是______。
A．安全保险费
B．现场管理人员工资
C．离退休人员工资
D．工程点交费
参考答案：D
—Why don't you go home?
—Because a lot of work________yet.
A．hasn't finished
B．hasn't been finished
C．has been finished
D．haven't finished
与鼻咽癌有关（）
A.幽门螺旋杆菌
B.HPV
C.HBV
D.EB病毒
E.SARS病毒
