Widely spaced isobars on a weather map indicate（）.

A、Container loading B、Container discharging C、Stowage planning D、Container checking

A . single B . Ⅱ C . Ⅲ D . multiple

A . The hospital may be used for disciplinary confinement if it is not being used for treatment B . The hospital space must have both a bathtub and shower C . A hospital is required on all vessels with a crew of 12 or more if it makes overnight voyages D . If a ship has a crew of forty-five who do not have their own room，the hospital must have four berth

A . Extents would be managed by the freelists. B . The segment would be managed by bitmaps. C . The segment would be managed by the freelists. D . Free space would be managed by the data dictionary.

A . submerged hulls B . quarters C . columns and upper structure D . submerged connecting structure

A . longitudinally B . vertically C . transversely D . intermittently

A . Remove the paging space with the rmps command.  B . Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command.  C . Reboot the system and disable the paging space with the rmps command.  D . Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command.&e

A . A cargo handling room B . A space in which cargo hose is stored C . An enclosed space containing cargo piping D . All of the above

A . lsps B . lsps -a C . lsps -pg D . lsps ALL

A . temperature B . dew point C . wind velocity D . relative humidity

A . inform chief engineer officer immediately B . stop the generator C . let the duty officer in bridge determine how to do D . wait for hel

A . change from smooth curves within the air mass to sharp bends at the front B . change from sharp bends within the air mass to smooth curves at the front C . pass smoothly across the front with no change D . become closer together at the front and pass through in straight line

A . cofferdams B . galleys C . pump rooms D . tanks used to carry liquids having a flash point of 150°F or above

A . a cooling system B . a lubrication oil system C . an electric system D . an injection system

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 . two or more releasing stations B . automatic release in event of a fire C . an audible alarm and time delay D . an audible and visible alarm

A . longitudinally B . vertically C . transversely D . intermittently

A . Any compartment containing explosives B . Any compartment adjacent to one containing explosives C . Enclosed spaces which are specially suitable for vehicles D . All of the above

A . swapon -a paging01 25 B . mkps -a 25 paging01 C . extendlv -a paging01 25 D . chps -a 25 paging01

A . Master，or person in charge B . Chief Engineer，or engineer in charge if no chief engineer is required C . Senior mechanic，or mechanic on duty if no senior mechanic designated D . Senior electrician，or electrician on duty if no senior electrician designated

A . lsps -a B . showps -a C . psdisplay -l D . swaplist -ALL

A . lsps -a B . showps -a C . psdisplay -l D . swaplist -ALL

A . The vessel must carry only the lights that comply with the rules; the others may be omitted B . The vessel's lights must comply as closely as possible，as determined by her government C . The vessel must be altered to permit full compliance with the rules D . An all-round light should be substituted for the after masthead light and the stern light

Impressive and complex 13 it may appear, the rocket, which was invented in China over 800 years 14 , is a relatively simple device.Fuel that is burned in the rocket engine changes 15 gas.The hot and rapidly expanding gas must escape, but it can do so only 16 an opening that faces backward.As the gas is 17 with great force, it pushes the rocket in the 18 direction.Like the kick of a gun when it is fired, it 19 the laws of nature described by Sir Isaac Newton when he discovered that“ 20 every action, there is an equal and opposite reaction.” 11.A.shown B.been C.appeared D.proved 12.A.send B.land C.take D.carry 13.A.that B.so C.as D.sometimes 14.A.in advance B.before C.earlier D.ago 15.A.as B.into C.for D.the 16.A.in B.at C.by D.through 17.A.transmitted B.dispersed C.erected D.radiated 18.A.same B.other C.opposite D.wrong 19.A.states B.proves C.follows D.breaks 20.A.like B.as C.with D.for