Danger area （）.

单项选择题Slack （）head line.

A.down
B.away
C.for
D.on

单项选择题（）attention to the safety of the gangway.

A.Paid
B.Paying
C.Pay

单项选择题—Where is the（）? —He’s in his cabin.

A.deck
B.bridge
C.cabin
D.captain

单项选择题—（）are you? —I’m the pilot

A.What
B.Who
C.Which
D.How

单项选择题As soon as the ship gets alongside the wharf, you should lower the gangway and put a （）below it.

A. safety net
B. safety belt
C. safety lamp
D. safety device