排球比赛中接发球的任务就是把对方的各种发球准确垫到组织进攻的（）。

排球基本技术中最难掌握的技术，并且在排球比赛中最积极、最有效的进攻手段是（）。

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.

排球比赛的后排队员进攻，是指后排队员可以到前排扣球。

（）既是一种独立的研究方式，也是任何研究开始的基础

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

比赛开始前，裁判员召集双方的队长，通过掷币，猜中的队决定上半场的进攻方向，另一队开球开始比赛。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。