GRE考试

【单选题】Economics can render service in the area of exchange, but its tools find less purpose when applied to paradigms dominated by alternative models of transactions and social relationships. In small groups gift-giving is substituted Line for the role of exchange, which entails obligation: people receiving gifts are expected to reciprocate in the future and this reciprocity binds small groups together, whereas exchange rarely does so. Two people exchange only when both benefit, neither incurring a social obligation as a result, and where social obligations exist, exchange may not work well.Exchange nevertheless allows for extremely complex interactions among strangers: when employing a product, a consumer benefits from the efforts of hundreds of anonymous people who have contributed to that commodity. Such analysis also has its limits in the case of an area such as government, for economics seeks regularities in social life, which are more likely to occur when no one individual has an appreciable effect on the group. Which of the following best describes the organization of the passage
A、
A、description of a problem in one area of economics, followed by a revision of the description for two other areas.
B．
A、description of a problem in one area economics, followed by a successful counter-example, then the description of a problem in a second are
A、
C．
A、description of the successful application of economics to one subject, followed by a description of its limitations in two other areas.
D．
A、description of one area Of economics, whose problems are compared with those of two other areas of economics.
E．
A、critical distinction between problems in two separate areas of economics.

网考网参考答案：B
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