油港实行的安全监控体系是：（）
A、1311工作法
B、六位一体
C、五管五同时
D、五级管理格局
参考答案：B
能引起心绞痛的疾病有()
A．主动脉瓣狭窄
B．主动脉瓣关闭不全
C．冠心病
D．肥厚型心肌病
E．以上均不对
Details of Net Asset Values of three funds: NAV as on Dec 31, 2008NAV as on Dec 31, 2007 Fund A $12$10 Fund B $55$50 Fund C $50$55 The Fund that had the best performance during 2008 was:（）
A. Fund A.
B. Fund B.
C. Cannot be determined from the above information.
