在传染病中感染性休克发生率最高的疾病是()
A.鼠疫
B.霍乱
C.流行性脑脊髓膜炎
D.细菌性痢疾
E.肾综合征出血热
参考答案:A
靠码头时,泊位空挡的大小,一般应为船长的:()
A.110%
B.120%
C.140%
D.150%
The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the().
A.vertical motion of white flags
B.vertical motion of a white light or flare
C.firing of a green star signal
D.None of the above