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标题: 求教OG13 SC的65、42，谢谢各位大牛！ [打印本页]
作者: penguinvino 时间: 2013-10-21 14:03
标题: 求教OG13 SC的65、42，谢谢各位大牛！
OG13 SC65
Digging in sediments in northern China, evidence has been gathered by scientists suggesting that complex life-forms emerged much earlier than they had previously thought.
(A) evidence has been gathered by scientists suggesting that complex life-forms emerged much earlier than they had
(B) evidence gathered by scientists suggests a much earlier emergence of complex life-forms than had been
(C) scientists have gathered evidence suggesting that complex life-forms emerged much earlier than
(D) scientists have gathered evidence that suggests a much earlier emergence of complex life-forms than that which was
(E) scientists have gathered evidence which suggests a much earlier emergence of complex life-forms than that
这道题正确选项C中是不是“复杂生命体出现的较早”和“先前的认为”想比较呢？两者是可比的么？
还有是OG13 SC42：
To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
A. have to know a great deal more than now about the social and economic
B. have to know a great deal more than they do now about the social and economical
C. would hav to know a great deal more than they do now about the social and economical
D. would have to know a great deal more than they do now about the social and economic
E. would have to know a great deal more than now about the social and economic
正确答案的D中是不是把“about the social and economic”放在“the social and economic”之后也是成立的呢，因为后面的“they do”中的“do”是代替前面的“know”。如果是这样的话，那么是不是证明上面的题中的“emerged”和“thought”是不可比的呢？
作者: Indigolove 时间: 2013-10-21 14:25
Digging in sediments in northern China, evidence has been gathered by scientists suggesting that complex life-forms emerged much earlier than they had previously thought.
(A) evidence has been gathered by scientists suggesting that complex life-forms emerged much earlier than they had
(B) evidence gathered by scientists suggests a much earlier emergence of complex life-forms than had been
(C) scientists have gathered evidence suggesting that complex life-forms emerged much earlier than
(D) scientists have gathered evidence that suggests a much earlier emergence of complex life-forms than that which was
(E) scientists have gathered evidence which suggests a much earlier emergence of complex life-forms than that
according to wiki: Sediment is a naturally occurring material that is broken down by processes of weathering and erosion.
The subject should be scientists, right? Not the evidence, so we elinimate A, B
Look at the modifiers in C,D,E
C: complex life-forms emerged much earlier than previously thought.
D: suggests a much earlier emergence of complex life-forms than that which was previously thought.
E: suggests a much earlier emergence of complex life-forms than that previously thought.
Here evidence is that complex life-forms emerged much earlier than previously thought. Not suggests..................
We go for C here
作者: penguinvino 时间: 2013-10-21 23:21
Indigolove 发表于 2013-10-21 14:25 
Digging in sediments in northern China, evidence has been gathered by scientists suggesting that com ...
谢谢您的解释，我承认您说的evidence in that complex life-forms emerged much earlier than previously thought.但是我的困惑是than前后的比较对象不平行呀，一个是 complex life-forms emerged much earlier ，一个是previouly thought
作者: Indigolove 时间: 2013-10-22 09:02
penguinvino 发表于 2013-10-21 23:21
谢谢您的解释，我承认您说的evidence in that complex life-forms emerged much earlier than previously ...
Well, I see your problem,
scientists have gathered evidence suggesting that complex life-forms emerged much earlier than previously thought
we can rewrite this sentence: scientists suggest that (....................) Here (....................) must be a thought, otherwise, this sentence makes no sense,
as an analogy,
The Warner Bros Pictures suggest that Ben Affleck is more capable to play the role of bat man in the coimg movie "Bat man VS Superman" than previously thought.
the highlight part is, of course, a thought, so it is a parellel structure.
作者: penguinvino 时间: 2013-10-22 10:28
Indigolove 发表于 2013-10-22 09:02
Well, I see your problem,
scientists have gathered evidence suggesting that complex life-forms ...
谢谢您能不厌其烦，现在有点懵懂了，但是我还是想钻下牛角尖，scientists have gathered evidence suggesting that complex life-forms emerged much earlier than previously thought这个句子如果把thought去掉是不是就不成立了？可不可以从语法的角度帮我解释一下呢？谢谢~~~
作者: roostme 时间: 2013-11-12 19:42
此题也是不解，我的看法是，previously thought是个省略句，应该是complex life-forms emerged much earlier than that they previously thought
作者: cookiealex 时间: 2014-6-9 11:54
和楼主同疑问，等NN解答。
42同样是比较状语，为什么补出了主谓？
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