一般地图上表示河流、湖泊的颜色是（） ["黑色","蓝色","白色","红色"]
The Company should ensure that （） involved in the Company’s SMS have an adequate understanding of relevant rules, regulations, codes and guidelines. ["masters","chief engineers","crew","all personnel"]
上市公司股东综合金融服务与私人银行财富配置功能联系最紧密的是哪一个环节（）。 ["解禁前","解禁时","解禁后","全过程"]
什么叫主导因素？
According to Maritime Labour Convention, 2006, the minimum age at the time of the initial entry into force of this Convention is 16 years Night work of seafarers under the age of （）shall be prohibited. ["18","16","22","20"]
乘客舒适度是反映乘客在旅途中疲劳程度的综合性生理指标，其影响因素很多，其中（）是车辆整个运行中始终存在、一直起作用的主要因素。
