A.enable
B.send
C.make
D.place
[单选题]The key to the industrialization of space is the US space shuttle with it,
[单选题]We( )the radio signals for help from the ship.A.pick upB.pick atC.pick offD
[单选题]We( )the radio signals for help from the ship.A.pick upB.pick atC.pick offD
[单选题]Dick was a sailor on a big ship. It went to Japan and Australia, __1__ Dick
[单选题]Dick was a sailor on a big ship. It went to Japan and Australia, __1__ Dick
[单选题]Dick was a sailor on a big ship. It went to Japan and Australia, __1__ Dick
[单选题]Dick was a sailor on a big ship. It went to Japan and Australia, __1__ Dick
[单选题]E.verything about the ship should be recorded in the ________ by the duty officerA.documentsB.paperC.logbookD.record
[单选题]Structural stress on a ship can be reduced by().A . lessening the effect of environmental forcesB . even and symmetrical variable loadingC . local concentration of heavy consumablesD . increasing the metacentric height
[单选题]The pumps employed on board ship can be divided into two main categories ie() pumps and centrifugal pumps.A . gearB . nonpositive displacementC . positive displacementD . rotary