组织内三层次沟通技巧包括对上沟通培养（）对下沟通学会（）对平沟通学会（）

六个“学会”是指教会学生：（）、学会求知、学会健体、学会审美、学会劳动、学会生活。

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。

幼儿掌握一首歌曲有一个渐进的过程：首先学会歌词，然后学会节奏，最后学会（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。