单项选择题 Where a charter-party states that a claim will be barred unless the claimant appoints an arbitrator within a specified period，the nominated arbitrator must be actually（）within that period that has been appointed.

单项选择题 Where a charter-party stated that errors of navigation were excluded，it was held that these words referred to non-negligent errors，and（）not wide enough to embrace negligent errors.

单项选择题 When the Captain of the Port or Officer in Charge，Marine Inspection issues an order of suspension to the operator of a vessel concerning oil transfer operations，it（）.