Roll-on／roll-off ships are equipped with（）.

A . Stores such as line，rags，mattresses，linens，etc. must be treated to be fire retardant B . Stores certified for use on uninspected vessels may be identified by the certification number used by Underwriter's Laboratories C . A portable container of a flammable liquid used as fuel for portable auxiliary equipment must be stowed in a paint locker or at a designated open location D . Acetylene may be in a ship's storeroom in quantities not exceeding 6000 cubic feet

A . single B . Ⅱ C . Ⅲ D . multiple

A . also called decks B . vertical transverse plates connecting the vertical keel with the margin plates C . large beams fitted in various parts of the vessel for additional strength D . found in passenger and berthing spaces only

A . at B . to C . by D . with

A . stringers B . girders C . breasthooks D . deck beam

A . distress B . urgent C . safety D . general

A . decks B . bulkheads C . joiner work D . wall

A . brake capabilities B . reversing capabilities C . maneuvering capabilities D . acceleration capabilitie

A . structural B . watertight C . non-structural D . continuou

A . remain in the immediate vicinity B . head for the nearest land C . head for the closest sea-lanes D . vote on what to do，so all hands will have a part in the decisio

A . Diesel engines have more advantages in comparison with gasoline engines B . Diesel engines have more advantages in comparison to gasoline engines C . Gasoline engines have more advantages in comparison with diesel engines D . Gasoline engines have more advantages in comparison to diesel engine

A . All flammable liquids must be stowed in the paint locker or specially constructed integral tanks B . The label of a hazardous ships' store must include instructions for safe stowage C . Replacement CO2 cylinders for the fixed fire fighting system must have been tested within 8 years of receipt D . Cartridges for the line throwing appliance must be stored in the portable magazine chest after receipt

A . subject for B . liable to C . easy to meet D . always encounter

A . blockaded B . opened C . closed D . enclosed

A . domestics B . settlers C . deeps D . peak

A . of B . for C . to D . at

A . trusses B . deck longitudinals C . deck beams D . web frame

A . assist in drydock alignment B . improve the vessel's stability C . protect the vessel from slamming against piers D . reduce the rolling of the vessel

A．technological problems B．stable controlling systems C．rules and security concerns D．regulations and technologies

A、time charter B、bareboat charter C、voyage charter D、conference lines 此题为多项选择题。