In ______, the only element that can be deleted or removed is the one that was inserted most recently.

A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.

A block that can be opened at the hook or shackle end to receive a bight of the line is a（）.

In(74), the only element that can be deleted or removed is the one that was inserted most recently.

● In （74） the only element that can be deleted or removed is the one that was inserted most recently.（74）

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

Hello. Is that Mr.White or Mr.Smith speaking? Sorry,（）

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.

（） system is arranged to ensure that water can be drawn from any tank or the sea and discharged to any other tank or the sea as required to trim the vessel.

（）generally indicates that a gale or storm is approaching.