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 towboatinto，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 awayfrom，the right hand bank
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Which vessel，when anchored at night，is NOT required to show anchor lights ().
- A.A power-driven vessel
- B.A vessel engaged on pilotage duty
- C.A vessel dredging
- D.A vessel restricted in her ability to maneuver
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Frapping lines ______.
- A.secure the lifeboat in the davits when in the stowed position
- B.bring the lifeboat close alongside the rail in the embarkation position
- C.give the occupants a safety line when the boat is being lowered from the embarkation level
- D.reduce the swinging of the lifeboat at the embarkation level
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The pilot said he ______ our vessel directly to the bert
- A.Will take
- B.Took
- C.Is taking
- D.Would take
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As the propeller turns，voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency，pitting of the blades，and vibration.These voids are known as ______.
- A.Advance
- B.Cavitation
- C.Edging
- D.Slip
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When navigating using GPS，what is an indicator of the geometry of the satellites that your receiver is locked onto ().
- A.Horizontal Dilution of Precision
- B.Selective Availability
- C.Doppler Shifting
- D.Precision Coding
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Persons who have swallowed a non-petroleum based poison are given large quantities of warm soapy water or warm salt water to ().
- A.induce vomiting
- B.absorb the poison from the blood
- C.neutralize the poison in the blood
- D.increase the digestive process and eliminate the poison
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High pressure and low pressure alarms must be tested ().
- A.no earlier than 24 hours prior to loading
- B.no later than 24 hours prior to loading
- C.anytime prior to loading
- D.weekly
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In determining safe speed，the Rules list all of the following as factors which must be taken into account EXCEPT the ()
- A.Limitations of radar equipment
- B.Presence of background lights at night
- C.Maximum horsepower of your vessel
- D.Maneuverability of your vessel
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An instrument useful in predicting fog is the ().
- A.sling psychrometer
- B.microbarograph
- C.anemometer
- D.aneroid barometer
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In the Northern Hemisphere，what type of cloud formations would you expect to see to the west of an approaching tropical wave ().
- A.Cumulus clouds lined up in rows extending in a northeast to southwest direction
- B.High altostratus clouds in the morning hours
- C.Cirrostratus clouds lined up in rows extending in a northeast to southwest direction
- D.Cirrostratus clouds lined up in rows extending in a north to south direction
2017年初级统计师模拟考试《统计学
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