[单选] A document which has a list of names，birthplaces，and residences of persons employed on a merchant vessel bound from a PRC port on a foreign voyage and is required at every port is called the （）.

疾病根据症状分为哪些？ 结合实际论述餐饮企业应从哪些方面有效识别可能面临的威胁。 检查气门弹簧时，其歪斜不大于（）mm。 1.0。 1.5。 1.8。 2.0。 关于买方和供方议价能力对企业竞争的影响，下列说法错误的是（） 买方采取集中进货的方式或者进货批量较大，这时对企业施加的压力比较大。 买方实力强大，具有实现后向一体化的能力，这会增加对本*行业的压力。 供方提供的产品，其可替代程度低时，供方处于有利地位。 供方实现向前一体化的可能性越大，对行业施加的竞争压力就越小。 Pistons of marine medium speed diesel engines may be made of （） in order to keep the weight down for balancing purpose at high speed. lead。 forged steel。 alloy steel。 aluminum alloy。 A document which has a list of names，birthplaces，and residences of persons employed on a merchant vessel bound from a PRC port on a foreign voyage and is required at every port is called the （）.