How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）

A . they must be located at the after end of the engine B . they can only be used with one engine at a time C . they eliminate the need for controllable pitch propellers D . they are connected to the engine with a flexible coupling

A . Six by seven galvanized wire rope B . Six by twenty-four improved plow steel wire rope C . Six by thirty-seven preformed fiber-core wire rope D . Six by nineteen regular-lay filler wire rope

A . for portable fenders B . for ground tackle C . on the inside of the hawsepipe D . on mooring line

A . water B . babbitt C . iron or steel D . acid

A . With the Cargo Gear Register on the ship B . In the Official Log C . At the Coast Guard Marine Safety Office with the vessel's inspection records D . At the central records center of the agency testing the cargo gear

A . Chains B . Wires C . Ropes D . Line

A . transmit the rudder angle to the bridge indicator B . prevent the control linkage from striking the stops when hard over C . automatically purge all entrained air from the system D . send hydraulic signals to the receiving unit

A . join two lines of different sizes B . join two lines of equal sizes C . add strength to a weak spot in a line D . act as a stopper to transfer a line under strai

A . require no lubrication under normal operating conditions B . compensate for gross misalignment in the drive train C . are able to transmit high torque ,even where slight misalignment exists D . will rapidly disconnect the engine from the line shaft

A . scissor wire B . towing wire C . breast wire D . cross wire

A . must churn the oil in the sump B . is connected to the propeller shaft C . is driven at the highest RPM D . compensates for alignment variations between the engine and pinion gear

A . VLANs allow access to network services based on department, not physical location. B . VLANs utilize packet filtering to enhance network security. C . VLANs provide a low-latency, high bandwidth internetworking alternative. D . VLANs provide a method of communication between IP addresses in large networks. E . VLANs establish segmented broadcast domains in switched networks. F . VLANs can greatly simplify adding, moving, or changing hosts on the network.

A . anchor the boat B . pick up heavy loads C . protect fiber rope from abrasion D . strengthen mooring line

A . two tucks with whole strands and one tuck with one-half strand B . three tucks with whole strands and two tucks with 1/2 the wire cut from the tucking strand C . three tucks with whole strands D . two tucks with whole strands and three tucks with half strand

A．will you B．should you C．would you D．do you

A．temple B．example C．sampling D．sample

B、shameful C、shamed