单项选择题
A.on B.in C.at D.under
I（）having your approval for the routine maintenance at ...
单项选择题I（）having your approval for the routine maintenance at your earliest convenience.
A.hope to B.want to C.look forward to D.expect to
HARD RIGHT RUDDER means（）.A.put the rudder over to the ...
单项选择题HARD RIGHT RUDDER means（）.
A.put the rudder over to the right all the way B.jam the rudder against the stops C.meet a swing to the right，then return to amidships D.put the rudder over quickly to 15°right rudder
EASE THE STRAIN ON THE STERN LINE means（）.A.Dont take i...
单项选择题EASE THE STRAIN ON THE STERN LINE means（）.
A.Don't take in the stern line B.Take in the stern line C.Send out the stern line D.Heave up the stern line
