县医疗机构发现该县发生重大食物中毒时间,应在几小时内向所在县级人民政府卫生行政部门报告()。
A.1小时
B.2小时
C.3小时
D.4小时
E.5小时
参考答案:B
____ regular training in nursing,she could hardly cope with the work at first.
A.Not having received
B.Since receiving
C.Having not received
D.Not received
通过实际调查,具有某项功能的所有产品的最低成本线是C=1+0.5P,已知该企业产品该项功能水平为P=5,实际成本为7元,则其产品功能的价值系数为( )。
A.5/7
B.2
C.3.5
D.0.5