属于挥发性溶剂的是（）

A.酒精

B.可卡因

C.海洛因

D.丙酮

E.仙人掌毒素

Your vessel is off a lee shore in heavy weather and laboring. Which action should you take?（）.

A.Put the sea and wind about two points on either how and reduce speed

B.Heave to in the trough of the sea

C.Put the sea and wind on either quarter and proceed at increased speed

D.Put the bow directly into the sea and proceed at full speed