煤矿井下作业人员的工作制度是什么?
参考答案:
煤矿井下作业人员每周工作五天,推行井下四班六小时工作制,进一步落实职工带薪休假制度。
有关乙状窦血栓性静脉炎描述有误的是()
A.是伴有血栓形成的乙状窦静脉炎
B.左侧多见
C.可出现患侧耳后、枕后及颈部疼痛
D.Tobey-Ayer试验阴性者也不可排除本病
E.患侧视 * * 水肿
Which of the following statements regarding a country risk premium is TRUE()
A. Country risk arises from expected economic and political events.
B. Firms in different countries assume significantly different financial risk.
C. Exchange rate risk is relatively small and can be ignored.