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标题: 求教OG 13 SC 65,不是Ving的问题。而是than的问题。谢谢! [打印本页]

作者: gheyete    时间: 2013-6-25 19:45     标题: 求教OG 13 SC 65,不是Ving的问题。而是than的问题。谢谢!

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.

原题的答案是
C scientists have gathered evidence suggesting that complex life-forms emerged much earlier than

我的疑惑是,than后面是previously thought,和前面所比较的complex life-forms emerged不是同类啊。是否可以理解成为因为previously thought也是scientists,所以省略了主语?

但是我最大的疑惑在D选项:
D scientists have gathered evidence that suggests a much earlier emergence of complex life-forms than that which was

OG上给出的错误原因是:
1、emergence这里用名词不如动词。why?
2、suggests a much earlier emergence 不清楚。How?
3、that which 插在previously thought前,“not only redundant but incorrect English”。
怎么就incorrect了呢?我的理解是that指代出现的时间,which引导定语从句。不行吗?

请N人们解惑!谢谢!
作者: predilection    时间: 2013-6-26 06:47

借你的问题,OG解释C说了“It also uses a parallel active form of the verb emerge..." 这里的parallel active 是跟谁parallel??
作者: sunshinemuji    时间: 2013-6-27 06:44

先试着回答你第一个问题:个人感觉在这里的情况是比较结构的状语比较,是时间状语的相互比较,在状语比较的过程中可以省略主谓结构,省略的前提是than后面的时间状语结构必须在前文中已经出现过,虽然形式上不一定相同,但是状语所表达的含义具有一定的可比性。og13 42
42. To develop more accurate population forecasts, demographerswould have to know a great deal more than they do now about the social and economical determinants of fertility.
这个题目中由于than前面没有时间状语跟now相对应,所以后面要补出they do。
1.建议lz先看一下manhattan的sc改错第五版,在论坛里面有下载的。
在concision里面第11章中有提到,在使用的过程中:verb>adj>n
2.suggests a much earlier emergence的这种表达方法不如c选项中利用从句的表达更加清楚。
3.that which 插在previously thought前这种用法在og里面我就没见过对的时候。。。明显不对,好像就没有过这种用法。举个例子:that和which都是引导从句的,比如用which引导定语从句,前面就要有相应的名词,这样which前面是that是错误的用法。这个结构错误点还有很多。
作者: sunshinemuji    时间: 2013-6-28 06:08

我感觉在这里emerged在这里只能跟than后面的thought平行了。因为首先emerge在that引导的从句当中,肯定不可能跟主句的动词gather平行,所以只能跟thought平行了。
作者: echoetmoi    时间: 2013-7-2 06:16

同一种东西 只要是时间上的区别 就可以省略主谓什么的。当心陷阱 比如说 in 1900 than 1991 ,缺少个 in 。
作者: trendysx    时间: 2013-7-7 07:53

先试着回答你第一个问题:个人感觉在这里的情况是比较结构的状语比较,是时间状语的相互比较,在状语比较的 ...
sunshinemuji 发表于 2013-6-27 06:44



看了这个解释还是觉得不大明白。。继续求教。。。
1.原题正确选项带入是:Digging in sediments in northern China,  scientists have gathered evidence suggesting that complex life-forms emerged much earlier than previously thought.
这里如果是在比较时间状语,那所比较的时间状语是什么呢?并没有出现now...when...这种时间状语的词啊。。。难道是earlier? earlier不是形容词么。。
另外还疑惑previously tought,这个tought由于被副词previously修饰,应该是个动词。。如果后面补出了动词。。感觉是在比较动词,,但是前面又找不到可以跟thought比较的东东。。。求助求助

2. To develop more accurate population forecasts, demographerswould have to know a great deal more than they do now about the social and economical determinants of fertility.
这句话感觉是在比较名词的样子。。补出来是:
demographerswould have to know a great deal(n.所比较的名词,表示knowledge之类的东东) more than (the knowledge )they do now about the social and economical determinants of fertility.
感觉是在比较a great deal (knowledege) 和后面被省略的名词(knowledge)..因为这个名词已经很清楚了,所以就省略了,只是补出了动词表示前面的虚拟语态和后面的现在时 在时态上的差别。
感觉理解的很纠结啊,,请一针见血的指出错误..





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