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。

某食品厂利用当地丰富的资源条件，采用独特技术，开发出天然饮料和椰子产品，风味独特，令人刮目相看，取得了很大的成功。该食品厂采用的战略是（）。

　小李从消费食品F和饮料C中所获得的效用为：TU（F，C）=FC。　　（1）分别画出效用水平等于12和效用水平等于24的两条无差异曲线。　　（2）假定食品的价格是1元，饮料的价格是3元，小王有12元花在这两种商品的消费上，请画出他的预算线。　　（3）在上述条件下，为了实现效用最大化，小王应如何选择食品和饮料的数量？最大效用是多少？　　（4）效用最大时，食品对饮料的边际替代率是多少？　　（5）如果小王用12元购买3个单位的食品和3个单位的饮料，食品对饮料的边际替代率是大于还是小于1/3？

食品广告中可以含有“最新技术”、“最先进加工工艺”等意思表示。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。