下列化合物中，不易与NaHS0，发生加成反应的是

实验室中常用Br2的CCl4溶液鉴定烯键,其反应历程是: ( )

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。

下列化合物与Lucas试剂反应最快的是（）

下列化合物与金属钠反应，速率最快的是（）

乙烯、丙烯、异丁烯在酸催化下与水加成，其反应速度哪个最快？为什么？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。