在世界旅游发展史上，近代旅游开始于哪些历史事件？

《宪法重大信条十九条》是中国历史上第一个宪法性文件。

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.

《宪法重大信条十九条》是中国历史上第一个宪法性文件。

清廷资政院用三天时间颁布的宪法性文件《十九信条》是在

清政府为实行预备立宪，所发布的两个宪法性文件是《（）》和《十九信条》。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述世界近代史中存在的三大世界性矛盾。

标志着世界现代史开端的历史事件是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。