黃金閱讀5.2 第 33篇 - 英檢

9. Which of the following allowed Teotihuac?n to have "a competitive edge over its neighbors"?
○A well-exploited and readily available commodity
○The presence of a highly stable elite class
○Knowledge derived directly from the Olmecs about the art of tool making
○Scarce natural resources in nearby areas such as those located in what are now the Guatemalan and Mexican highlands

可以請大家幫我看一下這個題目嗎?
答案是1,
但是完全看不出來這個答案和本文有什麼關係耶?

我選4

謝謝喔~~


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