在酸性介质中，用KMnO4溶液滴定草酸盐溶液，滴定应（）

KMnO4滴定Na2C2O4时，第一滴KMnO4溶液的褪色最慢，但以后就变快，原因是：()

在酸性介质中，用KMnO4溶液滴定草酸盐溶液，滴定应（）

KMnO4法测定Fe2+时应加入HCl，以使测定溶液显酸性。

KMnO4滴定Na2C2O4时，第一滴KMnO4溶液的褪色最慢，但以后就变快，原因是：（　）

嗜酸性小体（acidoPhilic body or Councilman body）

嗜酸性小体(acidophilic body or Councilman body)

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.

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。