背越式跳高形成“坐着过杆”错误动作产生的原因及纠正方法？

体育教学中，为突出教学的重点和难点，纠正错误动作可采用（）。

体育教学中，为突出教学的重点和难点，纠正错误动作时可采用（）。

体育教学中，为突出教学的重点和难点，纠正错误动作时可采用（）

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

举例说明在体育教学中学生动作错误产生的心理原因及纠正方法。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。