（） blow more or less constantly（except when monsoons prevail）throughout all seasons at a mean speed of around 14 knots and are generally strongest in the late winter.

（）are experienced in temperate latitudes during warn su...

单项选择题（）are experienced in temperate latitudes during warn summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline.

Steady precipitation is typical of（）.A.coming cold weat...

单项选择题Steady precipitation is typical of（）.

Snow has obliterated surface features and the sky is co...

单项选择题Snow has obliterated surface features and the sky is covered with uniform，altostratus clouds. There are no shadows and the horizon has disappeared. What is this condition called? （）