题目内容

In any negotiations between a party with limited aims and an opposing party with unlimited aims, the party with limited aims is bound to lose. This is so because the scope of a negotiating party’s aims determines the energy and the perseverance that will be brought to the negotiations by that party. Which of the following is an assumption implicit in the passage above

A. The intensity with which parties conduct negotiations affects the outcome of those negotiations.
B. Negotiations almost always pit against one another parties whose aims differ in scope.
C. The outcome of negotiations cannot be correctly predicted in advance.
D. A negotiator who has exceptionally high aims needs exceptional perseverance in order to avoid losing.
E. Negotiating parties are typically not aware of the scope of each other’s aims until the outcome is no longer in doubt.

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The number of hospital emergency room visits by heroin users grew by more than 25 percent during the 1980s. Clearly, then, the use of heroin rose in that decade. The author’s conclusion is properly drawn if which one of the following is assumed

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B. Many heroin users visit hospital emergency rooms repeatedly.
C. The number of visits to hospital emergency rooms by heroin users is proportional to the incidence of heroin usage.
D. The methods of using heroin have changed since 1980, and the new methods are less hazardous.
E. Users of heroin identify themselves as such when they come to hospital emergency rooms.

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