2024知到答案 航海英语（山东联盟） 最新知到智慧树满分章节测试答案

第一章 单元测试

1、 问题:Attention is called to the fact that in many cases pipelines are not ______ and charted depths may be decreased by up to 2 meters.
选项：
A:A. concealed
B:B. buried
C:C. existed
D:D. built
答案: 【
B. buried
】

2、 问题:Depths of {wk.} are to be inserted in the chart.
选项：
A:A. work
B:B. wreck
C:C. wake
D:D. weak
答案: 【
B. wreck
】

3、 问题:For full information regarding the current circulation of the Indian Ocean, ______ Sailing Direction, Current Atlas, etc.
选项：
A:A. watch
B:B. look for
C:C. see
D:D. regard
答案: 【
C. see
】

4、 问题:In Admiralty Sailing Directions, STRIPES is the word used to indicate ______ marking.
选项：
A:A. horizontal
B:B. vertical
C:C. diagonal
D:D. vertical or diagonal
答案: 【
D. vertical or diagonal
】

5、 问题:In the Uniform Cardinal System of Buoyage, a buoy in the eastern quadrant from a danger could ______.
选项：
A:A. be black and white horizontally striped
B:B. be black and white vertically striped
C:C. have a black top mark  
D:D. be any of the above
答案: 【
C. have a black top mark  
】

6、 问题:The lateral system is used in ____.
选项：
A:A. restricted waters such as shoals, reefs or wrecks
B:B. restricted waters such as buoyed channels
C:C. open waters such as shoals, reefs or wrecks
D:D. open water such as buoyed channels
答案: 【
B. restricted waters such as buoyed channels
】

7、 问题:What would be the color of an IALA starboard hand lateral buoy, as seen when sailing toward land, in Europe?
选项：
A:A. Green
B:B. Red
C:C. Red and green stripes
D:D. Black and yellow stripes
答案: 【
A. Green
】

8、 问题:When reversing, the tidal stream will have a period with little or no effect. This is call the_____.
选项：
A:A. rise
B:B. range
C:C. slack
D:D. spring
答案: 【
C. slack
】

9、 问题:The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for ______.
选项：
A:A. The sun to be at the opposite side of the moon
B:B. The moon to be at the opposite side of the earth
C:C. The moon to be at its apogee
D:D. The sun and the moon to be on the same side
答案: 【
B. The moon to be at the opposite side of the earth
】

10、 问题:What is the tidal height?
选项：
A:A. Twice the tide amplitude
B:B. The range of the tide
C:C. The water above the Lowest Astronomical Tide
D:D. The height above or under the Mean Level
答案: 【
C. The water above the Lowest Astronomical Tide
】

11、 问题:Data relating to the direction and velocity of rotary tidal currents can be found in the ______
选项：
A:A. Mariners Guide
B:B. Tidal Current Tables
C:C. Nautical Almanac
D:D. Tide Table
答案: 【
B. Tidal Current Tables
】

12、 问题:From ______ the mariner can know the data of tide.
选项：
A:A. the sea pilot
B:B. the cargo plan
C:C. the tide table
D:D. the port list
答案: 【
C. the tide table
】

13、 问题:Which is a weekly publication advising mariners of important matters affecting navigational Safety ?
选项：
A:A. Light List
B:B. Notice to Mariners
C:C. Coast Pilot
D:D. Sailing Directions
答案: 【
B. Notice to Mariners
】

14、 问题:In which source could you find the number of a chart for a certain geographic area?
选项：
A:A. Chart No.1
B:B. Catalog of Charts
C:C. IMO Practical Navigator
D:D. IMO Light List
答案: 【
B. Catalog of Charts
】

15、 问题:All of the following information concerning lighted aids to navigation may be read directly from the light list except the ______
选项：
A:A. location
B:B. height of light above water
C:C. luminous range
D:D. light characteristics
答案: 【
C. luminous range
】

16、 问题:The arrangement of charts in the catalogue is ___.
选项：
A:A. on a regional basis
B:B. on a national basis
C:C. shown orderly
D:D. appeared from A to W
答案: 【
A. on a regional basis
】

17、 问题:The datum from which the predicted heights of tides are reckoned in the tide table is _____.
选项：
A:A. mean low water
B:B. the same as that used for the charts of the locality
C:C. the highest possible level
D:D. given in table three of the tide tables
答案: 【
B. the same as that used for the charts of the locality
】

18、 问题:Many of the soundings shown on the chart are derived from ______ , Undue reliance should not be placed upon them.
选项：
A:A. complete and often very poor surveys
B:B. correct and often very good surveys
C:C. inadequate and often very old surveys
D:D. adequate and present surveys
答案: 【
C. inadequate and often very old surveys
】

19、 问题:Lines on a chart which connect points of equal magnetic variation are called ______.
选项：
A:A. magnetic latitudes
B:B. magnetic declinations
C:C. dip
D:D. isogonic lines
答案: 【
D. isogonic lines
】

20、 问题:How is the annual rate of change for magnetic variation shown on a pilot chart?
选项：
A:A. Gray lines on the uppermost inset chart
B:B. Red lines on the main body of the chart
C:C. In parenthesis on the lines of equal magnetic variation
D:D. Annual rate of change is not shown
答案: 【
A. Gray lines on the uppermost inset chart
】

第二章 单元测试

1、 问题:The correct method of switching off a marine radar is to turn power switch to _ position first, then to ___ position.
选项：
A:A.off / standby
B:B.standby / off
C:C.standby / close
D:D.close / standby
答案: 【
B.standby / off
】

2、 问题:The abbreviation PPI in the Sperry Collision Avoidance System means ______.
选项：
A:A.plan position indicator
B:B.plain position indicator
C:C.plane position indication
D:D.policy proof of interest
答案: 【
A.plan position indicator
】

3、 问题:Radar makes it possible and much safer for us to sail __.
选项：
A:A.in dense fog
B:B.in boisterous weather
C:C.in the open sea
D:D.in rivers
答案: 【
A.in dense fog
】

4、 问题:The 10-cm radar as compared to a 3-cm radar of similar specifications will ______.
选项：
A:A.be more suitable for river and harbor navigation
B:B.provide better range performance on low lying targets during good weather and calm seas
C:C.have a wider horizontal beam width
D:D.have more sea return during rough sea conditions
答案: 【
C.have a wider horizontal beam width
】

5、 问题:The ARPA may swap targets when automatically tracking if two targets ______
选项：
A:A.are tracked on reciprocal bearings
B:B.are tracked at the same range
C:C.are tracked on the same bearing
D:D.pass close together
答案: 【
D.pass close together
】

6、 问题:The common way to obtain your ship’s position is ______.
选项：
A:A.keeping a close watch and lookout
B:B.taking a radar range and bearing
C:C.observing a radar target and listening to signals
D:D.keeping a well clear
答案: 【
B.taking a radar range and bearing
】

7、 问题:The radio waves used for radar are very short，only______long．

选项：
A:A.a few centimeters
B:B.a few fathoms
C:C.a few meters
D:D.a few feet
答案: 【
A.a few centimeters
】

8、 问题:When hitting a solid object such as a ship or an airplane, the radar waves are reflected back______ they came.
选项：
A:A.in the way
B:B.the way
C:C.by the way
D:D.through the path
答案: 【
D.through the path
】

9、 问题:When using a radar in a unstabilized mode, fixes are determined most easily from ______.
选项：
A:A.center bearings
B:B.tangent bearings
C:C.ranges
D:D.objects that are close aboard
答案: 【
C.ranges
】

10、 问题:Which general statement concerning radar is FALSE?
选项：
A:A.raising the antenna height increases the radar range
B:B.the ability of radar to detect objects is unaffected by weather conditions
C:C.radar bearing are less accurate than radar range
D:D.radar should be checked regularly during clear weather to ensure that it is operating properly
答案: 【
B.the ability of radar to detect objects is unaffected by weather conditions
】

第三章 单元测试

1、 问题:A boundary between two air masses is a (n) ______.
选项：
A:A. lapse rate
B:B. isobar
C:C. front
D:D. continent
答案: 【
C. front
】