单项选择题
If the rotation for this vessel is Felixstowe,Antwerp,Le Havre,Hamburg and Rotterdam.The container for Rotterdam is right at the（）of the heap.
A.uppermost B.middle C.bottom D.aftermost
单项选择题 All charts and publications should be kept up to date with the（）amendments
单项选择题 In particular,which is not included in the Navigation System?（）
单项选择题 The VDR system is designed to operate（）once it is set up correctly.There is no user interaction.
