A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
Before you leave the office，＿＿all lights are out.
Synchrocope and synchro light are located on （） of main switchboard.
Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure? （）
Application Control Engine （ACE） can check the health of servers and server farms by configuring health probes （which are sometimes referred to as keepalives）. A probe can be one of many types. Which are valid ACE probes？ （）
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
The latest known details of lights are given in（）.
A message by flashing light consists of the call，the text，the ending，and the（）.
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
A light，feathery deposit of ice caused by the sublimation of water vapor directly into the crystalline form，on objects whose temperatures are below freezing，is called（）.
An all-round flashing yellow light may be exhibited by a(n)（）.
Light Lists for coastal waters are（）.
If several fixed navigational lights are visible at the same time，each one may be positively identified by checking all of the following EXCEPT what against the Light List?（）
189. Light List for coastal water are _____
Generally, there are two kinds of light pollution: ecological pollution and astronomical light pollution.不属于common knowledge.
57. All marks within the IALA system are distinguished by ___. ①shape ②top mark ③light characteristics ④color
139. Many of the lights on this coast are placed so high as to be frequently obscured by _____
Large companies sometimes try to______ smaller companies by buying a majority of the shares.
Sometimes the tension produced by fears is so great that we cannot suppress it. At such times we need to the tension by laughing or crying.
Sometimes, people simply do not realize they are being ill-mannered
Dreams are sometimes called "secret messages to ourselves" because______.
the factors already referred to, people sometimes also feel uneasy because their motives are misunderstood by others（）
