In radar plotting C.P.A is the abbreviation of ______.

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• Which general statement concerning radar is FALSE?（）.

  A . Raising the antenna height increases the radar range B . The ability of radar to detect objects is unaffected by weather conditions C . Radar bearings are less accurate than radar ranges D . Radar should be checked regularly during clear weather to ensure that it is operating properly

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• The bridge is fitted（）two radars.

  A . before B . on C . from D . with

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• A radar display in which North is always at the top of the screen is a(n)（）.

  A . unstabilized display B . stabilized display C . composition display D . relative display

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• The fog is lifted，so（）the radar．

  A . close B . open C . switch off D . switch o

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• A radar contact will remain stationary on a relative motion radar display only when it is（）.

  A . on the same course as your vessel B . at the same speed as your vessel C . on the same course and speed as your vessel D . on a reciprocal course at the same speed as your vessel

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• Vessel required to have an Automatic Radar Plotting Aid must have a device to indicate the（）.

  A . speed of the vessel over the ground or through the water B . distance to the next port C . time of the next navigational satellite pass D . None of the above

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• （）is on the panel of radar.

  A、KEYLOCK B、REPEATER C、STATIC INVERTER D、ANTI-CLUTTER-SEA

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• The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.

  A . one-millionth part of a second B . one-thousandth part of a second C . one-hundredth part of a second D . one-tenth part of a second

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• My radar is not working.I require shore based radar assistance.Is shore based radar assistance（）?

  A . used B . available C . in use D . can be used

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• In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall（）.

  A . sound the danger signal B . when taking action, make only course changes C . avoid altering course toward a vessel abaft the beam D . All of the above

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• In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should（）.

  A . stop your engines B . sound the danger signal at two-minute intervals C . hold course and speed until the other vessel is sighted D . take avoiding action as soon as possible

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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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• In radar plotting C.P.A.is the abbreviation of（）.

  A . closest point to approach B . close point to approach C . crossing point to approch D . coming point to approach

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• What role does exposition play in the plot?

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• The success of descriptive writing lies in the details. The more detailed your depiction of a plot or a character or a place is, the more you engross your reader.

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• In narrative, the pattern PCE means plot, climax and ending.

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• In Woolf’s novels, emphasis is not on plot or action but on the psychological realm of her characters and the moment-by –moment experience of living which are depicted by the techniques of interior monologue and______.

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• 2. Which of the following is used to monitor the bearing of a radar target in relation to your location?

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• Laser-doppler radar is especiallyvaluable in space missions because__________．

  A.it can measure themovement of a spaceship less accurately than a microwave radar B.it is a new system ofradar C.it provides precisemeasures of the velocity of space vehicles D.it is onethousand times more precise than microwave radar

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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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• Plot is the viewer’s imaginary construction of all the events in the narrative while

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• True or False. T for true, and F for false. 2.There is actually no story, no plot and almost no action in Ulysses. （）

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• The equation shows that the slope of a plot of chemical potential against pressure is equal to the molar volume of the substance. An increase in pressure raises the chemical potential of any pure subs

  A．To raise the melting temperature slightly． B．To lower the melting temperature slightly． C．Negligibl E．No effect at all． D．None the above

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