英语tooth→teeth采用的语法手段是（）。

读网络教育学院非英语专业和非艺术类专业专升本的学生报考统考，除计算机应用基础外，还需报考（）

英语“She teaches English”（她教英语）中的“他”表示的语法范畴有（）

什么是语法范畴？英语中语法范畴有哪些？用哪些语法手段来表示？

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.

在汉语学习过程中学习语法，对进行英语语法学习的影响是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。