著名的京剧传统剧目《捉放曹》是根据《三国演义》的情节改编的。下面是京剧中陈宫唱词：“我先前自道他（曹操）宽宏量大，却原来是个无义的冤家，马行在狭道内我难以回马。”陈宫为何骂曹操“无义”？“狭道内难以回马”又为何事？请简要叙述《三国演义》相关的情节。（4回）

中国古典文学名著《三国演义》的作者是（）。

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（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

“明公以孤军抗大敌，而不求急胜之方，此取死之道也。某有一策，不过三日，使袁绍百万之众，不战自破。明公还肯听否？”（《三国演义》第30回）是谁因什么原因到曹营献上什么计策？请简要叙述。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。