单项选择题 INTERTROPICAL CONVERGENCE ZONE OVER SOUTH PHILIPPINE PASSING OVER MINDANAO NORTHERN SULU AND PALAWAN.This paragraph is likely to be under the heading of（）.

单项选择题 In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.

单项选择题 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?（）.