下面关于西藏的地理环境，叙述不正确的是（）。

简述美国著名旅游景点。

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。

简述西藏的景点。

我国领导人多次表示，西藏事务完全是中国内政。"西藏问题"的实质是(  )。

简述中国地势的地理意义？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。