收益率曲线通常表现的形态包括（　）。

债券收益率曲线中（）是一种正常形态。

财务与会计人员应取得（）。 Ⅰ.证券从业资格证书 Ⅱ.期货从业资格证书 Ⅲ.基金从业资格证书 Ⅳ.会计从业资格证书

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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

Demand curve（or demand schedule） 需求曲线（或需求表）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。