A.blue line
B.purple line
C.dashed blue line
D.alternate red and blue line
您可能感興趣的試卷
你可能感興趣的試題
A.used to measure the speed of wind
B.in which the pressure of the air is measured
C.that tells which direction a storm is coming from
D.used to measure the height of waves
A.it is above 70°F
B.the ground over which it moves is cooler than the air
C.it originated in a high pressure area
D.it originated in a low pressure area
A.steady rainfall
B.hail storms
C.thunderstorms
D.tornadoes or waterspouts
A.drops，and the temperature drops
B.drops，and the temperature rises
C.rises，and the temperature drops
D.rises，and the temperature rises
A.fluctuates
B.remains the same
C.remains the same，with clouds forming rapidly
D.rises，often quite rapidly，with clearing skies
最新試題
Weather observations provided by each weather station include all of the following except（）.
When observing a rapid rise in barometric pressure，you may expect（）.
Of the following，（）is not a wind.
Weather conditions in the middle latitudes generally move（）．
Weather forecast messages are usually（）.
The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.
Widely spaced isobars on a weather map indicate（）.
The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.
What benefit is a weather bulletin to a mariner（）.
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.