智慧树知到《航海英语（山东联盟）》章节测试答案

第一章单元测试

1、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.concealed

B.buried

C.existed

D.built

正确答案：buried

2、Depths of {wk.} are to be inserted in the chart.

A.work

B.wreck

C.wake

D.weak

正确答案：wreck

3、For full information regarding the current circulation of the Indian Ocean，（）Sailing Direction， Current Atlas， etc.

A.watch

B.look for

C.see

D.regard

正确答案：see

4、In Admiralty Sailing Directions， STRIPES is the word used to indicate（）marking.

A.horizontal

B.vertical

C.diagonal

D.vertical or diagonal

正确答案：vertical or diagonal

5、In the Uniform Cardinal System of Buoyage， a buoy in the eastern quadrant from a danger could（）.

A.be black and white horizontally striped

B.be black and white vertically striped

C.have a black top mark

D.be any of the above

正确答案：have a black top mark

6、The lateral system is used in（）.

A.restricted waters such as shoals， reefs or wrecks

B.restricted waters such as buoyed channels

C.open waters such as shoals， reefs or wrecks

D.open water such as buoyed channels

正确答案：restricted waters such as buoyed channels

7、What would be the color of an IALA starboard hand lateral buoy， as seen when sailing toward land， in Europe？

A.Green

B.Red

C.Red and green stripes

D.Black and yellow stripes

正确答案：Green

8、When reversing， the tidal stream will have a period with little or no effect.This is call the（）.

A.rise

B.range

C.slack

D.spring

正确答案：slack

9、The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for（）.

A.The sun to be at the opposite side of the moon

B.The moon to be at the opposite side of the earth

C.The moon to be at its apogee

D.The sun and the moon to be on the same side

正确答案：The moon to be at the opposite side of the earth

10、What is the tidal height？

A.Twice the tide amplitude

B.The range of the tide

C.The water above the Lowest Astronomical Tide

D.The height above or under the Mean Level

正确答案：The water above the Lowest Astronomical Tide

11、Data relating to the direction and velocity of rotary tidal currents can be found in the（）