在《神曲》中，古罗马诗人（）引导但丁游历了地狱和炼狱，随后，（）又引导他游历天堂九重天。

在《神曲》中，古罗马诗人（）引导但丁游历了地狱和炼狱，随后，贝娅特丽丝又引导他游历天堂九重天。

《神曲》中，象征（）的古罗马诗人维吉尔受贝娅特丽丝的嘱托前来帮助但丁走出迷途，并引导他游历地狱和炼狱。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

但丁对古代诗人的尊崇表现出怎样的文艺价值观？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。