Signals for locating will be transmitted in the 9GHz band by means of（）.
Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）
As an experienced technician, you are responsible for Technical Support. A customer calls to ask the best signal level and noise level for cell phone. How to respond?（）
What is the lifesaving signal for You are seen -assistance will be given as soon as possible?（）
While reading the muster list, you see that "three short blasts on the ships whistle and the same signal on the general alarm bells" is the signal for （）.
The signal for a fire emergency on an OSV is（）.
The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.
Which of the following represents the emergency signal for fire aboard ship?（）
In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency.
You are scanning the radar screen for a buoy fitted with racon. How should this signal appear on the PPI display?（）
Which item of lifeboat equipment would be most suitable for night signaling to a ship on the horizon?（）
Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?（）
If the radio signal ground wave extends out for less distance than the minimum skywave distance，there is an area in which no signal is received．This is called the（）.
The signal for fire alarm on a ship must be indicated（）.
The alarm signal for engine room catching fire is a blast of random bell follow by （）
It’s unnecessary for a speech maker to put himself/ herself in a listener’s place and to hear the speech through the listeners’ ears. _______
I t ’ s unnecessary for a speech maker to put himself/ herself in a listener’s place and to hear the speech through the listeners’ ears . _______
“As” in paragraph 1, Passage 2 serves to signal the cause for the debate over who pays for the cost of college education.
______ involves recognizing the word when it is heard,being familiar with its written form, and knowing that the word signals a particular meaning
_______ is a figurative technique that directly compares one thing to another by using the signal words as or like.
To express the time order, many signal words can be used:For beginning events: we cannot use ______.
162. If you need the information for Radio Weather Services, you may check the Admiralty List of Lights and Fog Signals_____.
The signal words for beginning events include （).
There was something wrong with the traffic signal. Our bus was held______for nearly half an hour.
