After conducting an abandonment drill，the Master or person in charge of a ship shall log（）.
A. the names of crew members who participated in the drill
B. the length of time that each motor propelled lifeboat was operated in the drill
C. the length of time the lifeboat was in the water
D. the time it took to lower the boat
查看答案
救援船对难船进行救援时，也可使用抛绳设备在两船之间建立连接钢丝绳，然后利用滑车、救生设备和往返牵引索等救援难船上的人员或向它提供有关的设备物资。（）
A. 正确
B. 错误
Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful（）.
A. to keep the boats covered at all times
B. not to leave steel or iron tools lying in or near these boats
C. to keep an electric charge on the hull at all times
D. to rinse these boats regularly with salt water
一般可燃物燃烧空气中必须不少于（）。
A. 11%的氧气
B. 10%的氧气
C. 9%的氧气
患者，女性，23岁，发热、乏力、浮肿、尿少1个月，既往有光过敏史，时有关节肿痛，辅助检查显示中等量蛋白尿，镜下血尿，双侧胸腔中等量积液，血抗Sm抗体（+）（）
A. 过敏性紫癜肾炎
B. IgA肾病
C. 急性链球菌感染后肾小球肾炎
D. 原发性小血管炎肾损害
E. 狼疮性肾炎
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