第1题:
Great changes_________ (happen) in this city in the last five years.
第2题:
The maximum difference between mean time and apparent time is ______.
A.equal to the longitude expressed in time units
B.about 16 minutes
C.the difference between the GHA of mean sun and the first point of Aries
D.15°of arc
第3题:
What is the main difference between the two parts of the city?.
A. The colour of the buildings.
B. The age of the buildings.
C. The colour of the roofs.
D. The length of the streets.
第4题:
第5题:
Magnetic compass deviation______.
A.varies depending upon the bearing used
B.is the angular difference between magnetic north and compass north
C.is published on the compass rose on most nautical charts
D.is the angular difference between geographic and magnetic meridians
第6题:
The height of tide is the ______.
A.depth of water at a specific time due to tidal effect
B.difference between the depth of the water and the area's tidal datum
C.difference between the depth of the water and the high water tidal level
D.difference between the depth of the water at high tide and the depth of the water at low tide
第7题:
Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called ______.
A.list
B.heel
C.trim
D.Flotation
第8题:
London is ( ) capital of Britain, and it is ( )_ great city, too.
A. a, the
B. the, /
C. the, a
第9题:
第10题:
What's the()difference between the two parties?