Sentence Correction
试题详情
题目：
Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.
选项:
A、at 40 to 44 million years old provide evidence of
B、as being 40 to 44 million years old provides evidence of
C、that it is 40 to 44 million years old provides evidence of what was
D、to be 40 to 44 million years old provide evidence of
E、as 40 to 44 million years old provides evidence of what was
答案:
D
提问：
您好，这道题目想要请王文静老师来回答一下，我是之前广州班的学生，老师我选的是A，我是这样想的，首先根据主谓一致选出provide来，接下来我就选的A，因为我之前是一直去被什么词后面跟as什么跟to be什么两个都可以什么两个都不可以，但是我现在把这些全部抹去反而不知道怎么区分了，我们当时上课的时候说的是as作为等于号， to be 作为可能加上一些以后可能会怎样的这样的一个意思，to是强烈的传导词，可是也不是说未来怎么样之类的意思，所以我想请老师给解答一下这种as和to be的这种怎么区别，还有就是这道题目我的错因是什么？属于哪一类型的错误呢？谢谢老师
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