赫簇亢差酵揭罐杉乘弊烹匆塑
提论徘娠痹破弥薄揉蹋佛敝斯
航海英语（山东联盟） 2024智慧树满分答案
第一章 单元测试
1、单选题：
Attention is called to the fact that in many cases pipelines are not ______ and charted depths may be decreased by up to 2 meters.
A:A. concealed
B:B. buried
C:C. existed
D
. built
答案: B. buried
2、单选题：
Depths of {wk.} are to be inserted in the chart.
A:A. work
B:B. wreck
C:C. wake
D. weak
答案: B. wreck
3、单选题：
For full information regarding the current circulation of the Indian Ocean, ______ Sailing Direction, Current Atlas, etc.
A:A. watch
B:B. look for
C:C. see
D. regard
答案: C. see
4、单选题：
In Admiralty Sailing Directions, STRIPES is the word used to indicate ______ marking.
A:A. horizontal
B:B. vertical
C:C. diagonal
D. vertical or diagonal
答案: D. vertical or diagonal
5、单选题：
In the Uniform Cardinal System of Buoyage, a buoy in the eastern quadrant from a danger could ______.
A:A. be black and white horizontally striped
B:B. be black and white vertically striped
C:C. have a black top mark
D. be any of the above
答案: C. have a black top mark
6、单选题：
The lateral system is used in ____.
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. open water such as buoyed channels
答案: B. restricted waters such as buoyed channels
7、单选题：
What would be the color of an IALA starboard hand lateral buoy, as seen when sailing toward land, in Europe?
A:A. Green
B:B. Red
C:C. Red and green stripes
D. Black and yellow stripes
答案: A. Green
8、单选题：
When reversing, the tidal stream will have a period with little or no effect. This is call the_____.
A:A. rise
B:B. range
C:C. slack
D. spring
答案: C. slack
9、单选题：
The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for ______.
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. 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、单选题：
What is the tidal height?
A:A. Twice the tide amplitude
B:B. The range of the tide
C:C. The water above the Lowest Astronomical Tide
D. The height above or under the Mean Level
答案: C. The water above the Lowest Astronomical Tide
11、单选题：
Data relating to the direction and velocity of rotary tidal currents can be found in the ______
A:A. Mariners Guide
B:B. Tidal Current Tables
C:C. Nautical Almanac
D:D. Tide Table
答案: B. Tidal Current Tables
12、单选题：
From ______ the mariner can know the data of tide.
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、单选题：
Which is a weekly publication advising mariners of important matters affecting navigational Safety ?
A:A. Light List
B:B. Notice to Mariners
C:C. Coast Pilot
D:D. Sailing Directions
答案: B. Notice to Mariners
14、单选题：
In which source could you find the number of a chart for a certain geographic area?
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、单选题：
All of the following information concerning lighted aids to navigation may be read directly from the light list except the ______
A:A. location
B:B. height of light above water
C:C. luminous range
D:D. light characteristics
答案: C. luminous range
16、单选题：
The arrangement of charts in the catalogue is _________.
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、单选题：
The datum from which the predicted heights of tides are reckoned in the tide table is _____.
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、单选题：
Many of the soundings shown on the chart are derived from ______ , Undue reliance should not be placed upon them.
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、单选题：
Lines on a chart which connect points of equal magnetic variation are called ______.
A:A. magnetic latitudes
B:B. magnetic declinations
C:C. dip
D:D. isogonic lines
答案: D. isogonic lines
20、单选题：
How is the annual rate of change for magnetic variation shown on a pilot chart?
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、单选题：
The correct method of switching off a marine radar is to turn power switch to ____ position first, then to ______ position.
A:A.off / standby
B:B.standby / off
C:C.standby / close
D:D.close / standby
答案: B.standby / off
2、单选题：
The abbreviation PPI in the Sperry Collision Avoidance System means ______.
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、单选题：
Radar makes it possible and much safer for us to sail __.
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、单选题：
The 10-cm radar as compared to a 3-cm radar of similar specifications will ______.
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、单选题：
The ARPA may swap targets when automatically tracking if two targets ______
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、单选题：
The common way to obtain your ship’s position is ______.
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、单选题：
The radio waves used for radar are very short，only______long．
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、单选题：
When hitting a solid object such as a ship or an airplane, the radar waves are reflected back______ they came.
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、单选题：
When using a radar in a unstabilized mode, fixes are determined most easily from ______.
A:A.center bearings
B:B.tangent bearings
C:C.ranges
D:D.objects that are close aboard
答案: C.ranges
10、单选题：
Which general statement concerning radar is FALSE?
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
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