HBV现症感染者传染性强的标志是()
A.HbsAg(+)
B.抗-HBs(+)
C.HBeAg(+)
D.抗-HBe(+)
E.抗-HBc(+)
参考答案:C
What does the speaker think about age and work a. Generally speaking, work gets much easier after 40. b. Generally speaking, work gets much harder after 40. c. Age and work are not correlated. d. He is undecided.
岗位设置的主要影响因素有()。
A.业务流程
B.技术水平
C.客户需求与员工能力
D.成本压力
E.竞争对手的做法