Scientists claim that the discovery of the first authenticated mammal bones in amber could provide important clues in the determination of how and when the islands of the West Indies were colonized by mammals.
in the determination of十分怪
A D 平行 C to determine的动作发出者不是discovery B VAN
.首先 provide 的主语是the discovery 而不是人,所以不能用to determine 表目的,因人的动作才有目的性,所以for determining 表用途.
听说of后面加句子不好。。。好吧。。。
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