Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would（）.
A. reduce the free surface effect and raise the KG
B. not have any effect on free surface and raise the KG
C. reduce the free surface effect and lower the KG
D. not have any effect on free surface and lower the KG
查看答案
以下属于架空乘人装置系统组成部件的有（）
A. 声光信号装置
B. 电气控制系统
C. 制动器
D. 抱索器
E. 照明设备
资产负债表中的金额反映的是编表时累计数额，损益表中的金额反映的是编表时的时点数额。
A. 正确
B. 错误
食品添加剂生产企业都应具备安全生产许可证和省级以上国家产业政策主管部门的有效证明。
A. 正确
B. 错误
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