单项选择题
Vessels must not “exceed” a speed of 8 knots in this area.（）.
A.sail at B.except C.proceed at D.steam over
单项选择题 We can hardly accept any marks（）or damage（）the cargo.
单项选择题 We will（）special attention to the dangerous cargo.
单项选择题 We’ll（）some necessary measures to raise the working efficiency.
