93.( ) means a light showing an unbroken light over an arc of the horizon of 360 degrees.

A. 　中拱,0.05

B. 　中垂,0.05

C. 　中拱,0.10

D. 　中垂,0.10

A. 　前进中正车使船首右转

B. 　前进中正车使船首左转

C. 　前进中使船首左转,后退中使船首右转

D. 　前进中使船首右转,后退中使船首左转

A. 　盛行的风和流

B. 　移动的浅滩

C. 　海洋地质灾害的频率

D. 　航标和能见度

A. 　 from north to west

B. 　 from west to south

C. 　 from east to north

D. 　 from east to south

A. 　船舶排水量

B. 　主机功率

C. 　搁浅后损失的排水量

D. 　船与海底的摩擦系数

A. 　发送器

B. 　接收器

C. 　信道

D. 　通信系统

A. 　①

B. 　②

C. 　①②

D. 　全错

A. 　申请引航的船舶,应当使用专用的甚高频频道与引航机构和引航员联系,确认登轮时间、地点等事项,并保持值守

B. 　引航员登船后,应当向被引船舶的船长介绍引航方案

C. 　被引船舶的船长应当向引航员介绍本船的操纵性能以及其他与引航业务有关的情况

D. 　在一次连续的引航中,同时有两名或两名以上的引航员在船时,引航机构无须指定其中一人为本次引航的责任引航员

A. 　3万元以上30万元以下

B. 　3千元以上3万元以下

C. 　1千元以上1万元以下

D. 　1万元以上10万元以下

A. 　 The decision whether to follow the ADVICE still stays with the recipient.

B. 　 One does not necessarily have to carry out the ADVICE, but should consider it very carefully.

C. 　 One have to carry out the ADVICE, and should consider it very carefully.

D. 　 One does not necessarily have to carry out the ADVICE, and should not consider it carefully.