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The author maintains that the expansion of knowledge______.
A.can be considered as a zero-sum game
B.cam be considered as a 'win-win' case
C.benefits no party involved
D.benefits only one party involved

A.
A.can
B.cam
C.benefits
D.benefits

【参考答案】

B
属信息推断题。选项A中“zero-sum”的引申意思是“一方获益而另一方受损的局面”;选项B中“win—win”的意思是“双赢的”,从第四段最后一句话“becauseknowledgeisapublicgood”中我们知道知识也是一种公益,所以我们能知道知识的扩张会是双赢的,故选项B为正......

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