单项选择题
（）in a charter-party are working days on which the weather allows loading work or discharging work to be done.
A.Whether working days B.Weather working days C.Running days D.Calendar days
单项选择题 （）bad weather my ETA is amended to read 1800.
单项选择题 The phrase “When built” in the Certificate of Vessel’s Nationality means（）.
