海船船员考试
单选题In the Northern Hemisphere，winds veering sharply to the west or northwest with increasing speed are indications that a（）.A cold front has passedB low pressure center is approachingC stationary front existsD high pressure center has passed
题目
cold front has passed
low pressure center is approaching
stationary front exists
high pressure center has passed
相似问题和答案
第1题：
Hurricanes may move in any direction．However，it is rare and generally of short duration when a hurricane in the Northern Hemisphere moves toward the ______．
A.West or northwest
B.Northeast
C.Southeast
D.North
第2题：
A hurricane moving northeast out of the Gulf passes west of your position. You could expect all of the following EXPECT ______.
A.higher than normal swells
B.high winds
C.winds veering from south, through west, to northwest
D.light showers
飓风从海湾向东北方向移动，从你船西边通过，将遇到下列除小阵雨外的情况。
第3题：
SHIFT OF WIND DIRECTION IN AN ANTICLOCKWISE MANNER, FOR EXAMPLE FROM NORTH TO WEST ( OPPOSITE OF VEERING ) defines ______.
A.Backing (of wind)
B.Veering (of wind)
C.Shifting of wind
D.altering of wind
风使逆时针旋转的，例如北到西，定义为反转。
第4题：
If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast
假如你的气象报告显示有一低压区域的中心正好在你船位置以东100海里，在北半球你将预计是什么风？北到西北风
第5题：
If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect?
A.South to west
B.South to east
C.West to north
D.North to east
在北半球一个低压正在拟的西部，风向应该怎样判别？东南。
第6题：
The direction of prevailing winds in the Northern hemisphere is caused by the ______．
A.Magnetic field at the North Pole
B.Gulf Stream
C.Earth's rotation
D.Arctic cold fronts
第7题：
A weather forecast states that the wind will commence veering. In the Northern Hemisphere this would indicate that it will ______.
A.shift in a clockwise manner
B.shift in a counterclockwise manner
C.continue blowing from the same direction
D.increase in velocity
气象预报中叙述的风将开始风向顺转。在北半球这表示风向将顺时针方向变化。Veering,风向顺转（北半球顺时针，南半球反时针）。
第8题：
When a high pressure system is centered north of your vessel in the Northern Hemisphere ______．
A.You should experience hot，moist，clear weather
B.The wind direction is generally easterly
C.The winds should be from the southwest at your location
D.The winds should be brisk
第9题：
If you are in the dangerous semicircle of a hurricane you can expect all of the following except ______.
A.backing winds
B.high seas
C.high winds
D.veering winds
如果你在飓风的危险半圆里，下列除了逆转风其它都可以遇到。
第10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
在北半球夏季，阵风风向顺时针方向变化，温度骤降，雷暴雨或暴风骤雨（冬季频繁的雨雪交加），然后随着气压上升天空晴朗，表明冷锋通过。