The first communication satellite was used for the purpose of（）.
（）是全球移动通信系统（Global system for mobile communication）的简称。
General radio communications in the global system may（）ship’s safety.
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
Routine radio communications should be no more than（）.
The Safety Radio Certificate for the Cargo Ship is issued（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
The emergency communication set’s transmitter should not be tested except when（）by a public radio inspector.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
（）communication are intership VHF radio telephone communication.
When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）
How does a coast radio station communicating by HF radio normally identify itself?（）
When can routine communications be resumed when radio silence has been imposed?（）
What is the fundamental purpose for imposing radio silence? （）
The radio waves used for radar are very short，only（）long.
The Safety Radio Certificate for the cargo Ship is issued（）.
To speak with rhythm is not important for English communication.
Words / expressions for poor communication
The radio waves used for radar are very short ， only______long ．
（) reuse mode is recommended for baseband frequency hopping, while （)for radio freque
What does the speaker suggest using for office communication？
How much would you______for repairing my radio？
Closeness and Personal Space Intimat distance - Range: _________________ to 45cm - Inappropriate distance for __________________ - For people who aren’t intinmat: extremely _______________ Personal distance - Range: 45 cm to 1.2m - Most appropriate for ________________ - Easy to see: expressions, eye movements, _____________________ Social distance - Range: 1.2m to 3.6m - Normal distance for _________________ * working together in the same room * during ___________________ - Essential to communication: louder speech and __________________ Public distance - Range: 3.7m to 4.5m - distance for teaching and ______________ - Exaggerated non-verbal communication is necessary * ______________________ * larger head movements
