A.thunderstorms，hail，and then rapid clearing
B.increasing cloud cover lasting for several days
C.lengthy wet weather
D.low ceilings with thick cirrus clouds
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A.Squally
B.Isolated
C.Scattered
D.Occasional
A.Developed low
B.Developing low
C.Being developed low
D.Low to be developed
A.SHLW
B.SCTD
C.OBS
D.SW
A.Traffic Separation Schemes
B.Recommended tracks
C.Precautionary areas
D.Inshore traffic zones
A.Hurricane
B.Breeze
C.Storm
D.Gale
最新試題
Widely spaced isobars on a weather map indicate（）.
Weather conditions in the middle latitudes generally move（）．
Weather observations provided by each weather station include all of the following except（）.
Which of the following statements concerning frontal movements is TRUE（）.
OWING TROPICAL STORM9706 CROSSING OUR/COURSE PLSPERMIT SHELTERING KAGOSHIMA KAIWAN. This cable indicates that（）.
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.
INTERTROPICAL CONVERGENCE ZONE OVER SOUTH PHILIPPINE PASSING OVER MINDANAO NORTHERN SULU AND PALAWAN.This paragraph is likely to be under the heading of（）.
The dense black cumulonimbus clouds surrounding the eye of a hurricane are called（）.
What benefit is a weather bulletin to a mariner（）.
While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.