单项选择题 Whose duty is it to examine and verify the vessel’s classification and technical state and condition?（）.

单项选择题 Wood or steel hatch covers are made（）by tarpaulins.

单项选择题 Yesterday afternoon 2 cargo surveyors appointed by the consignee came on board for investigation. I told them the cargo was loaded between Aug.14th.and 16th. Under favorable weather without any remarks on（）.