GMDSS理论英语题库(16)

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C change information D impose silence 答案 D

416. The concept of NAVTEX is of a___ system for the broadcast and receipt of MSI. A complete service B partial controlled C quite new D total coordinated 答案 D

417. The transmissions for entertainment purpose and unnecessary talking are_____. A not allowed B sometimes allowed C forbidden D strictly forbidden 答案 D

418. The present INMARSAT system _____geostationary satellites positioned above the Atlantic Ocean.

A uses B ignores C considers D utilizes 答案 D

419. Since it was first used at sea more than 90 years ago, radio has helped to save lives of _____people. A millions of B thousands of

C hundreds of .thousands of D tens of thousands of 答案 D

420. General radio communication in the global system may_____ ship’s safety. A be responsible for B have an impact on C command D give a guidance to 答案 B 421. Radiotelephony communications or radiotelex 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.

A depend on B depending on C dependent on D dependant on 答案 B

422. 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.

A exchange B to exchange C exchanging D exchanged 答案 C

423. Distress and safety communications _____DSC calling will be performed by radiotelephony or narrow band direct printing or both.

A follows B to follow C following D to be followed 答案 C

424._____all ships in a large sea area being alerted ,an “area call”, will normally be transmitted so that only those ships in the vicinity of the distress incident are alerted. A Avoiding B To be avoided C Avoided D To avoid

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答案 D

425. 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.

A participating B participated C participate D to participate 答案 B

426. Signals _____to assist in locating a ship ,aircraft or vehicle in distress of in

locating survivors will be transmitted in the 9GHz band means of a search and rescue radar transponder.

A to intend B to be intended C intending D intended 答案 D

427. The distress alert may also contain information _____the nature of distress ,the type of assistance required ,the course and speed of the ship and the time at which the information was recorded.

A regarding B regardless C regarded D to be regarded 答案 A

428. Like a distress alert ,a distress priority message is routed automatically through a_____CES to a RCC.

A selecting B having selected C selected D being selected 答案 C

429. It is no use _____to get in touch with that distress ship right now. A trying B to try C tried D to trying 答案 A …… 此处隐藏：901字，全部文档内容请下载后查看。喜欢就下载吧 ……