單項選擇題

A.directly on flames
B.at room temperature
C.in an extremely cold climate
D.None of the above

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A.to right the raft if it capsizes
B.to carry the raft around on deck
C.for crewmen to hang on to
D.to hang the raft for drying

A.more
B.not so much
C.rather
D.not shch