The navigational term SET OF CURRENT means（）.

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• Every page of your web site must include a common set of navigation menus at the top of the page. Thismenu is static HTML and changes frequently，so you have decided to use JSP’s static import mechanism. Which JSP code snippet accomplishes this goal？（）

  A . <%@ import file=’/common/menu.html’ %> B . <%@ page import=’/common/menu.html’ %> C . <%@ import page=’/common/menu.html’ %> D . <%@ include file=’/common/menu.html’ %> E . <%@ page include=’/common/menu.html’ %&gt

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• Right ascension is primarily used by the navigator for（）.

  A . calculating amplitudes B . calculating great circle sailings by the Agiton method C . entering the Air Navigation Tables (Selected Stars) Pub 249 D . plotting on star finder

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• What does the term to navigate with caution mean?（）.

  A . To navigate intentionally B . To navigate intensely C . To navigate carefully D . To navigate completely

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• In the navigational triangle，the angle at the elevated pole is the（）.

  A . meridian angle B . altitude C . right ascension D . azimuth angle

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• The loran lines drawn on navigation charts represent（）.

  A . Ground waves B . Skywaves C . Either ground waves or skywaves interchangeably D . An average between ground wave and skywave positio

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• When using the radar for navigating（）.

  A . the best fix is obtained by using a tangent bearing and a range B . and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings C . and using ranges，the most rapidly changing range should be measured last D . and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart

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• When ship navigating in rough sea, the correct operation is （）

  A . navigating with a low diesel engine speed B . navigating with a stable diesel engine speed C . increasing the efficiency of propeller D . increasing fuel injectio

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• （）is the navigational timekeeper of the vessel.

  A . The marine sextant B . The chronometer C . The magnetic compass D . The gyrocompa

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• In particular,which is not included in the Navigation System?（）

  A . ECDIS B . RADAR C . GPS D . GMDSS

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• All of the following are recognized distress signals under the Navigation Rules EXCEPT（）.

  A . a green star signal B . orange-colored smoke C . red flares D . the repeated raising and lowering of outstretched arm

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• The WWNWS establishes three types of navigational warning:（）.

  A . Distress, Urgency and Safety B . Vital, Important and Routine C . NAVAREA, Coastal and local D . gale, Tsunami and Ice

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• In the navigation, cause the shafting over load most easily（）

  A . stopping the main engine suddenly B . changing the main engine running direction suddenly C . the sailing from the shallow water area to the deep water area D . the ship’s trim too much

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• Which statement about the Navigation Rules is TRUE?（）.

  A . The rules require vessels to comply with Traffic Separation Scheme regulations B . The rules use the term safe speed C . The Rules permit a stand-on vessel to take action prior to being in extremis D . All of the above are correct

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• In the navigation（） cause the shafting over load easily.

  A . the stopping engine suddenly B . the sailing astern and changing direction suddenly C . the sailing from the shallow water area to the deep water area D . the ship’s trim too much

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• In navigation the abbreviation “DF” refers to（）.

  A . Deep Flood B . Direction Finder C . Double Freeboard D . Dangerous Fertilizer

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• Francis Drake was the first Englishman to navigate around the World.

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• 99. The officer in charge of the navigational watch shall continue to be responsible for the safe navigation of the ship despite the ______ of the master on the bridge.

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• 144. The only cylinder chart projection widely used for navigation is the ____

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• 83. The only cylindrical chart projection widely used for navigation is the _____.

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• 192. The period of a lighted aid to navigation refers to the _____ .

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• In the navigation____ cause the shafting over load easily.

  A.the stopping engine suddenly B.the sailing astern and changing direction suddenly C.the sailing from the shallow water area to the deep water area D.the ship’s trim too much

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• 材料：Navigation in the canal

  It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety． Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation． 问题：PILOT HOUSE is referred to ______ in this passage． A.the cabin in which the pilot stays B.the space in which the rudder is located C.the bridge of vessels D.the cabin which is prepared for the pilot SHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by sea B.the procedures of marine transportation business C.the management of marine transportation business D.the vessels and ships The author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this area B.mariners should take it easy when navigating in this area C.modern instrument should be used to control the safety of navigation in this area D.it is dangerous when navigating in this area The person on the bridge or in the pilot house shall be those ______ ．A.who are recommended B.who are familiar with the navigation，management，operation and safety control C.who are directly involved in the navigation，management，operation and safety control D.who have nothing to do with the navigation，management，operation and safety control

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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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• The Chief Officer is in charge of the standard____navigation watch duty（）

  A．4-8 B．8-12 C．12-4 D．0-8

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