The first paragraph mainly. The patent system is valuable for the economy in that.

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问题 The first paragraph mainly______.
The patent system is valuable for the economy in that______.

选项 A、it creates goods and services and technologies that did not exist previously
B、it gives an incentive to the inventor to publicize his research findings
C、it highlights the importance of property rights to ideas
D、it is a source of economic growth and progress

答案A

解析本题是细节题。文章最后一段是全篇的总结。在此作者肯定了专利制度对经济发展的重要作用。第一，创造了前所未有的商品、服务和技术。第二，强调对知识产权的保护是经济发展和进步的源泉。

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考研英语一

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The first paragraph mainly______. The patent system is valuable for the economy in that______.

考研英语一

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Retrofittinghousestouselessenergyshouldbeano-brainerforhomeowners.【C1】________time,moneyspentonwaystoreducehea

ChrisNiedenthal,aWarsaw-basedphotographer,hastakentoslatheringhischeesewithbutter.Whenhe’sthirsty,sometimesheg

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