专四

单选题The reason why there still needs improvement in the past view of Archaeopteryx is that

A.fossils of those earliest birds haven't been discovered ye
B.the wishbone they studied is just so-called wishbone:
C.there was no study of the role of its brain and some faculties in fligh
D.Archaeopteryx is regarded as the earliest known bir

参考答案:C进入在线模考
【定位】第7段。
【解析】细节题。根据文章第7段我们知道过去并没有对始祖鸟的脑及其他一些感觉功能进行研究,所以,存这些方面还有待进一步的提高。因此.C为正确选项。
【点睛】选项A、B、D均不符题意。

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