You are pushing a tow ahead，at high speed，near the right hand bank of a canal．The forces affecting your towboat and tow will tend to ______．
A. Push both the head of the tow and the stern of the towboat away from the right hand bank
B. Push the head of the tow away from，and pull the stern of the towboat into，the right hand bank
C. Pull both the head of the tow and the stern of the towboat into the right hand bank
D. Pull the head of the tow into，and push the stern of the towboat away from，the right hand bank
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For the purpose of training and drills，if reasonable and practicable，rescue boats on board
A. once a week
B. once a month
C. once a year
D. twice a year
You are preparing to take another vessel in tow．Which signal indicates，Hawser is made fast
A. Firing of a green star signal
B. Firing of a red star signal
C. An orange smoke signal
D. Three white star rockets at 1-minute intervals
When steering by hand，which of the following may be a functional input to the steering gear as a result of turning the wheel ________．
A. Non-follow-up
B. Rudder adjustment
C. Weather adjustment
D. All the above may be activated
There are two areas off the N coast of France，which remain dangerous because of ______．
A. the density of vessel traffic on passage through the strait
B. the fact that the passage through the strait is constricted by a series of narrow banks，running NE-SW
C. mines lied in the war of 1939-1945
D. the strong tidal streams in the strait
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