抗组胺类药物会给人带来的副作用是（）

A.感到昏昏欲睡

B.胃部不适

C.头痛

D.手脚麻木

E.四肢瘫痪

When two vessels are in immediate danger of collision，the stand-on vessel must（）.

A.abandon ship

B.assist in taking whatever action is necessary to avoid collision

C.hold course and speed

D.sound a distress signal