如患者言语含糊不清，讲话缓慢，词句结构均正常时应诊断为（）
A.学语滞迟
B.发声困难
C.言语困难
D.构音困难
E.失语症
参考答案：B
In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels except a vessel（）.
A.not under command
B.restricted in her ability to maneuver
C.engaged in towing
D.fishing
审核组长从哪些方面控制审核活动？
