Which of the following precautions should always be carried out in dry dock?（） Liquids should never be transferred between tanks without consulting the dock master。 If sea valves have been disassembled, all bonnets must be checked for leakage when the ship is re-floated。 Before re-floating, all sea chest strainers should be verified as having been replaced。 All of the above。
As long as the vessel is capable of performing the service immediately required，hire will （）. cease to be payable。 begin to be withdrawn。 continue to be payable。 be returned。
Which of the following statements about pump operations is NOT a correct statement?（） In order for a fluid to be pumped, a fluid must be made to flow。 A substance must be cold in order for it to be pumped。 The kinetic energy imparted by the pump can be used to force a liquid through a hydraulic system。 A pump must receive its energy from an external source。
设计一个证明植物具有蒸腾作用的实验装置。
在Windows 98中，若要恢复回收站中的文件，在选定待恢复的文件后，应选（）命令。 还原。 清空回收站。 删除。 关闭。
As in the case of a voyage charter-party，it is implied in all bills of lading that（）will be made from the contractual route unless such deviation is justified.
