相关推荐： 托福tpo15阅读
TPO是我们常用的托福模考工具，对我们的备考很有价值，下面小编给大家带来托福阅读TPO16(试题+答案+译文)第1篇:Trade and the Ancient Middle East。
托福阅读原文
Trade was the mainstay of the urban economy in the Middle East, as caravans negotiated the surrounding desert, restricted only by access to water and by mountain ranges. This has been so since ancient times, partly due to the geology of the area, which is mostly l
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