单选题 A ______ connected composite unit of a pushing vessel and associated pushed vessel, when designed as a dedicated and integrated tug and barge combination, shall be regarded as ______ ship/ships for the purpose of chapter V.

单选题 引航员梯防扭转长横板长度应至少为________。

单选题 SOLAS公约第V章内容为______。

单选题 Administration can not grant general exemptions to ships without mechanical means of propulsion from ______.

单选题 Coastal navigational warning promulgated by ______.

单选题 The automatic identification system (AIS) shall be subjected to an ______ test.

单选题 ______may decide to what extent of chapter V shall apply to ships operating solely in waters landward of the baselines which are established in accordance with international law.

单选题 SOLAS74 第V章的适用范围：除了另有明文规定外，本章适用一切航线上的______。