洗手间的灯光由（）控制。
A.驾驶舱
B.安装在门锁组件上的一个微动电门自动控制
C.客舱
参考答案：A
肠梗阻的手术适应症有（）。
A.各种类型的绞窄性肠梗阻
B.肿瘤及先天性肠道畸形所致肠梗阻
C.非手术治疗无效的肠梗阻
D.痉挛性肠梗阻
E.麻痹性肠梗阻
In evacuation from a ship，an individual without the option of a survival craft or liferaft should enter the water on the leeward side，except when（）.
A.there is burning oil on the water
B.there is a rescue craft in the area
C.water temperature is below 40°F
D.a rigid survival craft is in the area
