GMDSS理论英语题库(11)

A 2182KHZ B 2174.5KHZ C 2192KHZ D 2187.5KHZ 答案 D

296. Which of the following transmits and receives signal to and from the satellite using ”L” band frequency?

A SES B CES C NCS D NCC 答案 A

297. The telex number____ required is incorrect .Please check and confirm. A what you B you C that D which 答案 B

298. Within the polar areas it is ____to see a satellite in geostationary orbit. A impossible B possible C easy D difficult 答案 A

299. The portable SART is designed ____ on the bridge in its container. A to stow B for stowing C being stowed D to be stowed 答案 D

300. ____the INMARSAT system ,a ship can sent a distress message and know with certainty it will be received by others. A By using B With using C By to use D Though the use 答案 A

301. The instruction book will provide you ____ the information about the Navtex receiver

A for B to C of D with 答案 D

302. Only those ____ familiar with the requirement of the GMDSS can operate it. A who B who are C are D that 答案 B

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303. There are ___NAVAREAs designated by IHO ang IMO all over the world. A 13 B 4 C 16 D 12 答案 C

304. Each NCS works as a type of ____ ,assigning ,controlling, monitoring telex and telephone network as quickly as possible.

A switch operator B communication gateway C national operator D on-scene commander 答案 A

305. We _ the distress signal on our own radio before the shore station relayed it to us.

A received already B have received C had received D were receiving 答案 C

306. The INMARSAT system is open for use by ____ countries on non-discriminatory basis

A some B lots of C many D all 答案 D

307.All ships which, ____ the present Convention , are required to carry radio installation shall carry out the International Code of Signal. A according B in according with C in according to D in accordance with 答案 D

308. 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 309. The radio officer ____the require of the transmitter until midnight. A finished B had no finished C did not finish D did not finished 答案 C

310. If a ship ____ in danger ,the distress signal will be sent out in the shortest possible time by means of the GMDSS equipment.

A is B encounter C will be D is meet 答案 A

311. I’d like to know precautions ____ when operating this new equipment.

A should take B to be taken C to take D must take 答案 B

312. It ___ that all survivors have been rescued and some of them sent to the hospital. A believed B is believed C believes D to be believed 答案 B

313. It is important ____ familiar with the GMDSS system before you operate it. A get B for you get C to get D for you to get 答案 D

314. ___the message has been sent out or not is not known to us.

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A If B IS C Does D whether 答案 D

315. We consider____send a helicopter with medical facilities to the distress area A it necessary B it is necessary C it necessary to D necessary 答案 C

316. The GMDSS is more advanced than ____for distress traffic up to now A any other equipement B any equipement

C all equipement D whaterever equipement 答案 A

317. Before____, a station shall take precautions to ensure that its emission will not interfere with transmission already in progress. A transmit B to transmitting C transmitting D in transmitting 答案 C

318. The circuits within the SESs use the ____to lock the satellite A signal strength B signaling channel C antenna D unique word 答案 C

319. In order to ensure that all necessary MSI is available ,the EGC receiver will remain in operation while____ A the ship is at sea B the condition is good C the ship is in port D A and C 答案 D

320. A digital calling systerm used to call ships and coast stations using frequencies in the MF,HForVHFbands, as is defined by CCIR recommendations 493 and 541,is a(an)____

A DSC system B EGC C Terrestrial radio D alerting systerm 答案 A

321. DSC distress relays can be transmitted by either___or____ A a coast station/a ship station B an EPIRB/A SART C ARQ/FEC D A back-up satellite/a land SAR unit 答案 A

323. If a DSC distress relay is transmitted from a coast station , it will____

A indicate the ship in distress that the alert has been received B alert ships in the area of a distress incident that a distress has occurred

C inform other coast stations of distress incident D repeat the distress alert in 5 minutes 答案 B

324.If a ship station relay a DSC distress call to an appropriate coast station ,it means that____

A the ship has received the DSC distress call on an HF frequency B the coast station concened has not acknowledged it within 5 minutes

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C the ship will take command of search and rescue in 5 minutes D A and B 答案 D

325. What should be indicated in the lists of ship and coast station? A information on charging

B the services by each station open to public correspondence,together with charging information C the working mode D only the service 答案 B

326. MSI stands for ____

A mobile satellite information B motor ship identification C most serious information D martime safety information 答案 D

327. MSI,which includes____,is transmitted to all ships in all principal waters A navigational warnings B meteorological warnings and meteorological forecast …… 此处隐藏：3975字，全部文档内容请下载后查看。喜欢就下载吧 ……