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题库 / Prep2007E1-CR-21
Traces of cultivated emmer wheat have been found among the earliest agricultural remains of many archaeological sites in Europe and Asia. The only place where the wild form of emmer wheat has been found growing is a relatively narrow strip of southwest Asia. Since the oldest remains of cultivated emmer wheat yet found are from village sites in the same narrow strip, it is clear that emmer wheat was first domesticated somewhere in that strip.
Which of the following, if true, most strengthens the argument?
The present-day distribution of another wild wheat, einkorn, which was also domesticated early in the development of agriculture, covers a much larger area of southwest Asia.
Modern experiments show that wild emmer wheat can easily be domesticated so as to yield nearly as well as traditionally domestic strains.
At the time when emmer wheat was first cultivated, it was the most nutritious of all the varieties of grain that were then cultivated.
In the region containing the strip where wild emmer wheat has been found, climatic conditions have changed very little since before the development of agriculture.
It is very difficult, without genetic testing, to differentiate the wild form of emmer wheat from a closely related wild wheat that also grows in southwest Asia.
個人認為重點在這句。The only place where the wild form of emmer wheat has been found growing is a relatively narrow strip of southwest Asia.
在農業開始發展以前，這個地方是唯一可以發現在野外發現這種小麥的地點，其他地方都不會有野生小麥出現。
要開始種植這種作物一定要有種子，所以人工種植的小麥一定要先從A點的野外移植到A的農村，然後才隨著人們的遷徙，從A擴散到其他地方。
古代人類沒有旅遊的習慣，所以不太可能發生一個人從A的野外拔了這種小麥，然後帶到其他地方去種植。
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