__________ that these creatures are linked to a common ancestor.A.As is believedB.What is believedC.

题目简介

__________ that these creatures are linked to a common ancestor.A.As is believedB.What is believedC.

题目详情

__________ that these creatures are linked to a common ancestor.
A.As is believedB.What is believed
C.That is believedD.It is believed
题型:单选题难度:中档来源:不详

答案

D

试题分析:考查句型:It is believed that…,据相信…,it 是形式主语,that引导的是真正的主语,句意:据相信这些生物和一个共同的祖先有联系。选D。
点评:It is believed that…,据相信…这个句型可以改写成:Sb/sth is said to do句型,要学会互相转化,而且过去分词除了believed,还有said,thought,suggested等。

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