A.be watched B.be seen C.be viewed D.be inspected
A.increase the ship's officers' knowledge B.extend the ship's officers' knowledge C.improve the ship's cargo-handling equipment D.raise the working efficiency
A.existing crude oil tanker of 20000 tons deadweight and under B.new crude oil tanker of 20000 tons deadweight and under C.existing crude oil tanker of 20000 tons deadweight and above D.new crude oil tanker of 20000 tons deadweight and above
A.the cargo owners B.the shipowners C.the whole adventure D.the whole voyage
A.breaking the chain reaction B.smothering the fire C.cooling the fire D.coating the fuel with a nonflammable surface
