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标题: OG12-SC27 句子结构的分析问题，求教。 [打印本页]
作者: li2966262    时间: 2010-12-29 09:59
标题: OG12-SC27 句子结构的分析问题，求教。
27. 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.
(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项正确的话，我分析不来句子结构。fragments of a primate jawbone unearthed(这个是从句的第一个动词？) in burma and estimated to be 40 to 44 million years old(这部分做什么成分？) provide（如果上面unerthed是fragments的动词的话,这个provide的时态不是应该跟unearthed平行才对吗？） evidence of ……bra bra



菜鸟先谢了
作者: gwang5    时间: 2010-12-29 10:36
你说的这两部分都是用来修饰颌骨碎片的，在句子中不起动词的作用。
作者: andrewyin    时间: 2010-12-29 16:46
estimate to be 只能这样用。。。。
除非是 前面已经有了一个确指的名词，而这里没有在前面出现 TIME

level estimated at 3
amount estimated at 4

其他都是 TO BE 记住就可以了吧。。。
作者: xiaoqingxixi    时间: 2010-12-29 19:35
27. 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.
(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项正确的话，我分析不来句子结构。fragments of a primate jawbone unearthed(这个是从句的第一个动词？) in burma and estimated to be 40 to 44 million years old(这部分做什么成分？) provide（如果上面unerthed是fragments的动词的话,这个provide的时态不是应该跟unearthed平行才对吗？） evidence of ……bra bra



菜鸟先谢了
-- by 会员 li2966262 (2010/12/29 9:59:43)



Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated to be 40 to 44 million years old(修饰fragments) provide（这个是从句的谓语动词） evidence of a crucial step along the evolutionary path that led to human beings.
作者: 李子木    时间: 2011-1-19 18:30
27. 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.
(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项正确的话，我分析不来句子结构。fragments of a primate jawbone unearthed(这个是从句的第一个动词？) in burma and estimated to be 40 to 44 million years old(这部分做什么成分？) provide（如果上面unerthed是fragments的动词的话,这个provide的时态不是应该跟unearthed平行才对吗？） evidence of ……bra bra



菜鸟先谢了
-- by 会员 li2966262 (2010/12/29 9:59:43)



这个句子的话，unearthed和estimated似乎是并列的，作从句的谓语，后面的provide是主句的谓语动词


不知道我这样的理解对么？
作者: paulzhd    时间: 2011-1-20 11:59
支持楼上的观点，PROVIDE是FRAGMENTS的谓语
作者: FactOrFiction    时间: 2011-3-19 13:27
这种长句关键要抓对主谓宾, 去找杨鹏的阅读长句练练. 这句还不算难的, 结构很清晰.



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