单项选择题

The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.

A.cloud movement
B.vessel heading
C.waves
D.swells

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

A.extremely cold air from shore passes over warmer water
B.warm dry air from shore passes over cooler water
C.cold ocean water evaporates into warm air
D.cool rain passes through a warm air mass

单项选择题

RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description is likely to be under the heading of（）.

A.FORECAST
B.GALE WARNING
C.SYNOPSIS
D.STORM WARNING

单项选择题

Periodic publications notifying changes in，or additions to，previously published navigational data are（）.

A.Supplements
B.Annual Summary
C.Navigational Warnings
D.Notices to Mariners