航海英语航海气象章节练习(2018.01.02)

单项选择题
High pressure ridge（）from Sevastopol to eastern Libya.
A.reaching
B.extending
C.increasing
D.upgrading
单项选择题
In most cases，the direction of the apparent wind lies between the bow and（）.
A.the direction of the true wind
B.true north
C.the beam on the windward side
D.the beam on the lee side
单项选择题
In the Northern Hemisphere，gusty winds shifting clockwise，a rapid drop in temperature，thunderstorms or rain squalls in summer (frequent rain/snow squalls in winter) then a rise in pressure followed by clearing skies，indicate the passage of a(n)（） .
A.warm front
B.tropical cyclone
C.anticyclone
D.cold front
单项选择题
Cirrus clouds are composed primarily of（）.
A.ice crystals
B.water droplets
C.snow crystals
D.nitrogen
单项选择题
In a microbarograph，the pen should be checked and the ink well filled（）.
A.each time the chart is changed
B.once per month
C.once per week
D.daily
单项选择题
A sylphon cell is a part of a（）.
A.maximum thermometer
B.barograph
C.thermograph
D.hygrometer
单项选择题
Mechanical lifting of air by the upslope slant of the terrain is called（）.
A.vertical lifting
B.convective lifting
C.advective lifting
D.topographic lifting
单项选择题
（）is the most widespread type likely to be encountered at sea and is caused by relatively warm air being cooled by flowing over a cooler sea surface.
A.FRONTAL FOG
B.MIXING FOG
C.ADVECTION FOG
D.RADIATION FOG
单项选择题
In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）.
A.apogean tide
B.double high water
C.perigean tide
D.bore
单项选择题
NASHA VERELLA ST JACQUES ZENMU ANSHA REEF CLOUDY TO OVERCAST WITH SHOWERS WIND SW 17 TO 21 SEA MOD VIS GOOD TO MOD.The abovementioned forecast is probably from（）.
A.Radio Dalian
B.Radio Guangzhou
C.Radio Singapore
D.Radio Bangkok