党员在办理涉及群众事务时刁难群众、吃拿卡要的，按违反党的（）论。
A、廉洁纪律
B、组织纪律
C、工作纪律
D、群众纪律
参考答案：D
If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on? （）
A.Calling frequency
B.Distress frequency
C.Urgency frequency
D.Working frequency
晶状体的屈光力是多少？
