首页/ 题库 / [单选题]The principal advant的答案

The principal advantage of NAVTEX radio warnings is that().

单选题
2022-01-01 05:46
A、they can be used by mariners who do not know Morse code
B、only an ordinary FM radio is necessary to receive these warnings
C、information on a given topic is only broadcast at specified times
D、they cover a broad spectrum of the radio band allowing reception on almost any type of receiver
查看答案

正确答案
A

试题解析

标签: GMDSS
相关题目
Which of the following is NOT the advantage (好处) of using body language? ( )
Which of the following is NOT the advantage of online degree programs?
Which of the following is NOT the advantage (好处) of using body language ( )
The principal ______ a diploma to each of the graduates
The advantage of the control equipment is()
The principal advantage of NAVTEX radio warnings is that().
BRadio and television are very popular in the world today. Millions of people watch TV.Perhaps more people listen to the radio.The TV is,of course,more useful than the radio. On TV you can see and hear what is hap-pening in the world.Now radio is still with us. And the number of listeners is becoming larger. One reason for this is the invention of the transistor(半导体) radio. A transistor radio is sometimes very small. It is very easy to carry. You can put one in your pocket and listen to it on the bus or on your bike when you go to work. It is better.for blind people. The sight(视力J) of many old peo-ple is not good enough to watch TV. Then,when people are working,they can't watch TV, but they can listen to music or news over the radio. What-s more,radio is much cheaper than TV.( )26. Radio and television__________ in the modern world today.
Where would you find the call sign or call letters of the radio station on your ship?()
Where would you find the “call sign” or “call letters”of the radio station on your rig?()
Some radio waves()the surface of the earth because of its().
which function is the most important one of the GMDSS.()
Which of the following is NOT the advantages of the remote control and automation of engine operations?()
To make sure of getting the full advantage of a favorable current,you should reach an entrance or strait at what time in relation to the predicted time of the favorable current?()
What is the basic concept of GMDSS? ()
A radio determination system based on the comparison of reference signals with radio signals reflected,or retransmitted from the position to be determined,is().
The height of a VHF radio antenna is more important than the power output wattage of the radio because().
Before GMDSS, if the radio officer on board is serious ill,().
The basic concept of GMDSS is().
Stability is determined principally by the location of the center of gravity and the().
The terrestrial system of GMDSS consists of().
广告位招租WX:84302438

免费的网站请分享给朋友吧