1862年美国国会通过了“莫里尔法案”加快了农业和工艺学院发展的步伐，这类学院被称为“赠地学院”。

在健美操步伐中完成1次开合跳需要4拍。

在健美操步伐中1个侧并步需要4拍。

随着现代科学技术的发展和教育信息化建设步伐的加快,教育技术作为交叉学科的特点将日益突出。 ( )

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.

交叉步、迈步吸腿、并步分别是三种不同的基本步伐。

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。