请选择合适的处理手段翻译下列被动语态的句子。 1 ) China’s compliance with an intellectual-property accord is seen as a keen test of its sincerity in abiding by WTO rules. 2 ) Through commissions in the over-the-counter securities market are unfettered by legal restraints, brokerages have agreed to charge the same fees in order to keep profit margins up. 3 ) According to the stipulations of the said L/C No. 5301, the total quantity of the goods should be shipped before the end of this month and neither partial shipments nor delay are allowed. 4 ) Claim, if any, must be made within 30 days after the arrival of the goods at the destination, after which no claims will be entertained. 5 ) Usually the dues are calculated on the registered tonnage of the ship. 6 ) The manager told me to keep a secret of the things being discussed. 7 ) The shipping date is expected to be announced soon. 8 ) If a letter of credit is not used by the beneficiary, it may be returned to the applicant for cancellation. 9 ) The export task is reported to have been completed. 10 ) After the said license is approved, we shall establish a letter of credit in your favor.