在航道中,某机动船看见另一机动船悬挂“RY”信号旗一组,应及早采取下列什么行动?()
A.减速
B.转向
C.抛锚
D.尽可能靠航道一侧行驶
参考答案:A
There was a ________ quarrel between the husband and the wife; after that the wife left home and never came back.[ ]
A. sensitive
B. serious
C. violent
D. strict
肺内压在下列哪一时相中与大气压相等()
A.呼气初与呼气末
B.吸气初与吸气末
C.吸气末与呼气末
D.吸气初与呼气末
E.吸气初与呼气初