GMAT申友逻辑CR题库-A sudden increase in the production of elephant ivory artifacts on the Mediterranean coast of North Africa occurred in the-精选题库-真题答案解析

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A sudden increase in the production of elephant ivory artifacts

on the Mediterranean coast of North Africa occurred in the tenth century. Historians explain this increase as the result of an area opening up as a new source of ivory and argue on this basis that the important medieval trade between North Africa and East Africa began at this period.

Each of the following, if true, provides some support for the historians’ account described above EXCEPT:

(A) In East Africa gold coins from Mediterranean North Africa have been found at a tenth-century site but at no earlier sites.

(B) The many surviving letters of pre-tenth-century North African merchants include no mention of business transactions involving East Africa.

(D) Documents from Mediterranean Europe and North Africa that date back earlier than the tenth century show knowledge of East African animals.

(E) East African carvings in a style characteristic of the tenth century depict seagoing vessels very different from those used by local sailors but of a type common in the Mediterranean.

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原文:十世�

�这个地方象牙制品突然产量上升，历史学家认为是因为这个地方发现了象牙并且认为北非和东非从这个时期开始就有一些重要的贸易了题目：问不能支持的是哪个？解释： A说两个地从十世纪就发现了一些金币但是更早的时候没有，那证明两个地方有关系，支持，排除。 B说十世纪钱北非的商人都不会提到东非的一些交易，那增加十世纪后有交易的可能性，支持，排除。 C说东非建筑风格的变化反应了北非的一些风格，两者有关系了，支持，排除。 D说十世纪钱的一些北非的记录显示有东非的动物了，那就不是十世纪才有的了，是在这之前了，不支持，符合题意。 E也是通过船只的风格是两个地方建立了关系，支持，排除。