单项选择题
A.girders B.longitudinals C.side stringers D.web plates
In a longitudinally-framed ship，the longitudinal frames...
单项选择题In a longitudinally-framed ship，the longitudinal frames are held in place and supported by athwartship members called（）.
A.floors B.margin plates C.stringers D.web frames
I hereby（）you，on behalf of the Loocki Grain Co.，Lisbon，...
单项选择题I hereby（）you，on behalf of the Loocki Grain Co.，Lisbon，to pay to the Harbor Master of the Santa Marta，Columbia，the sum of 500，000 Peso which represents a fine levied on the above-named vessel for polluting the coastal waters with oily water.
A.permit B.entitle C.authorize D.give the right to
I（）rather not shift the rice to Hatch No.2.A.shallB.sho...
单项选择题I（）rather not shift the rice to Hatch No.2.
A.shall B.should C.would D.had to
