In determining safe speed，the Rules list all of the following as factors which must be taken into account EXCEPT the（）.

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• In determining a safe speed（）shall not be among those taken into account.

  A、 the characteristics，efficiency and limitation of the radar equipment B、the effect on radar detection of the sea state，weather and other sources of interference C、 the safe working load of the cranes both on board and ashore D、any constraints imposed by the radar range scale in use

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• THE SPEED OF A VESSEL ADJUSTED TO THAT OF A PILOT BOAT AT WHICH THE PILOT CAN SAFELY EMBARK is （）.

  A . Ground speed B . Boarding speed C . Relative speed D . Speed of the vessel

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• The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.

  A . the distance of visibility B . 1/2 the distance of visibility C . a distance appropriate to the existing circumstances and conditions D . the distance that it would require for the propeller to go from full ahead to full aster

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• “safe speed” is defined as that speed where（）.

  A . you can stop within your visibility range B . you can take proper and effective action to avoid collision C . you are traveling slower than surrounding vessels D . no wake comes from your vessel

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• The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the（）.

  A . radio communications that are available B . maximum speed of your vessel C . temperature D . current

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• A vessel must proceed at a safe speed（）.

  A . in restricted visibility B . in congested waters C . during darkness D . at all time

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• Every vessel shall at all times proceed at a safe speed so that she can（）.

  A . take proper and effective action to avoid collision B . be stopped within a distance appropriate to the prevailing circumstances and conditions C . neither A nor B D . both A and B

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• It's not safe（）in the street.

  A . played B . play C . playing D . play

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• Safe speed is defined as that speed where（）.

  A . you can stop within your visibility range B . the vessel is not subject to vibrations C . you are traveling slower than surrounding vessels D . you can take proper and effective action to avoid collisio

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• In det rmining a safe speed of your ship,（）shall not be among those taken into account.（）

  A . the state of visibility B . the traffic density C . the number of crew on board D . the maneuverability of the vessel

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• A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to（）.

  A . moderate speed B . safe speed C . half speed D . bare steerageway

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• Every vessel shall proceed at a safe speed（）the prevailing circumstances and conditions

  A . adapted to B . used by C . liable to D . adaptation to

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• During the watch at sea, where situations occur in the machine apace which may affect the speed maneuverability, power supply or other essentials for the safe operation of the ship（）should be informed as soon as possible.

  A . the chief engineer B . the master C . the bridge D . the company superintendent

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• Changes in direction or speed of the main propulsion units shall be recorded, （）an Administration has determined that the size or characteristics of a particular ship make such recording impracticable.

  A . in addition to B . in addition that C . except for D . except where

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• You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine（）.

  A . Minimum speed estimate B . Maximum speed estimate C . Average speed estimate D . A running fix should not be used under these conditio

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• 农村饮水安全（safe drinking water in rural area）

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• 11. The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include ______

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• What color is considered safe color in business world?

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• 64. A vessel must proceed at a safe speed _________

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• In what sense was Toby "safe"？

  A. The overhanging rock would protect him from falling rocks. B. He felt a hand on his shoulder. C. His rucksack was protected. D. He had hidden under a canopy.

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• What evidence do people from the West give to show that a higher speed limit is safe？

  A．The long empty roads between the cities. B．The modern turbo-charged engine. C．The current policies of Germany and Australia. D．The benefits for economy.

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• The basic principle of radar is illustrated by what happens when one shouts in a e. The echoof the shouting 11 the walls helps a person determine the size of i cave. With radar, however , the waves are radio waves instead of 12 waves. dio waves travel 13 the speed of light, about 300,000 kilometers in a second. A lar set 14 a short burst of radio waves. Then it receives the echoes 15 when waves bounce (Silt) off objects. By determining the time it 16 for the echoes to imi to the radar set, a trained technician 17 determine the distance between the [ar set and other objects. The word "radar", 18 , gets its name from the term dio detection and ranging." "Ranging" is the term for detection of the 19 between object and the radar set.

  Besides being of critical importance to pilot, radar is 20 for air traffic control, tracking ships at sea, and for tracking weather systems and storms. 11. A.through B.for C.on D.against

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