单项选择题
Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the（）.
A.MSA B.CCS C.CCIQ D.local port authority
单项选择题 Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT（）.
单项选择题 A survey of refrigerated cargo，to certify that proper methods of stowage were utilized，can be conducted by the（）.
