汉语言文学
2025-03-06 13:04:07

Why does the author mention th

题目描述

Why does the author mention the specimen preserved in the birth canal?_____

A

To illustrate that the embryo fossils are quite advanced in their development

B

To explain why the fossils are well preserved

C

To indicate how the ichthyosaurs died

D

To prove that ichthyosaurs are marine animals

答案解析

第三段中提到保存在产道中的标本,是为了说明胚胎发育的程度很高。

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