单项选择题
A.maintained B.sustained C.pertained D.contained
A survey of refrigerated cargo，to certify that proper m...
单项选择题A survey of refrigerated cargo，to certify that proper methods of stowage were utilized，can be conducted by the（）.
A.CCS B.Occupational Safety and Health Administration C.MSA OF CHINA D.CCIC
（）the way from Shanghai to Japan，the ship encountered h...
单项选择题（）the way from Shanghai to Japan，the ship encountered heavy weather.
A.On B.At C.During D.In
（）that kind of weather persist，it would be very likely ...
单项选择题（）that kind of weather persist，it would be very likely that the two ships would touch each other.
A.If B.Provided that C.Should D.When
