航海英语航海气象基本知识章节练习(2018.02.25)

单项选择题
The legend/symbol which designates an occluded front is represented by a（）.
A.red line
B.purple line
C.blue line
D.dashed blue line
单项选择题
An occluded front is usually caused by a（）.
A.cold front becoming stationary
B.warm front becoming stationary
C.cold front overtaking a warm front
D.warm front dissipating
单项选择题
An occluded front is caused by a(n)（）.
A.low pressure area
B.high pressure area
C.area of calm air
D.cold front overtaking a warm front
单项选择题
A frontal thunderstorm is caused by（）.
A.pronounced local heating
B.wind being pushed up a mountain
C.a warm air mass rising over a cold air mass
D.an increased lapse rate caused by advection of warm surface air
单项选择题
MODERATE WAVES，TAKING A MORE PRONOUNCED LONG FORM；MANY WHITE HORSES ARE FORMED.THIS sea condition is likely to be termed（）.
A.moderate breeze
B.fresh breeze
C.strong breeze
D.near gale
单项选择题
Cumulonimbus clouds can produce（）.
A.dense fog and high humidity
B.gusty winds，thunder，rain or hail，and lightning
C.clear skies with the approach of a cold front
D.a rapid drop in barometric pressure followed by darkness
单项选择题
Clouds are classified according to their（）.
A.size
B.moisture content
C.altitude and how they were formed
D.location in a front
单项选择题
The navigable semicircle of a tropical storm in the South Indian Ocean is located on which side of the storm’s track? （）
A.Rear
B.Front
C.Left
D.Right
单项选择题
Cumulonimbus clouds are most likely to accompany a(n)（）.
A.high pressure system
B.cold front
C.warm front
D.occluded front
单项选择题
In the Northern Hemisphere，the largest waves or swells created by a typhoon or hurricane will be located（）.
A.in the southeast quadrant of the storm
B.directly behind the storm center
C.forward and to the right of its course
D.behind and to the left of its course