自然油冷却的变压器，其重瓦斯的动作流速整定一般为（）m/s。

A.0.9～1.2

B.0.7～1.0

C.0.5～0.7

D.1.0～2.0

You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.

A.Place the wind on the starboard quarter and hold that course

B.Place the wind on the port quarter and hold that course

C.Place the wind on the port bow and hold that course

D.Place the wind on the starboard bow and hold that course