航海英语航海气象基本知识单项选择题每日一练(2017.10.15)

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
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
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
The fog produced by warm moist air passing over a cold surface is called（）.
A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
单项选择题
The most important information to be obtained from a barometer is the（）.
A.difference between the reading of the two pointers，which shows wind direction
B.last two figures of the reading of the pointer，such as 87，76，or 92
C.present reading of the pressure，combined with the changes in pressure observed in the recent past
D.weather indications printed on the dial (such as cold，wet，etc.) under the pointer