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标题: og13 SC 97 [打印本页]

作者: abc791201064 时间: 2013-9-3 20:53
标题: og13 SC 97
Some anthropologists believe that the genetic homogeneity evident in the world’s people is the result of a “population bottleneck”-at some time in the past our ancestors suffered an event, greatly reducing their numbers and thus our genetic variation.
A. at some time in the past our ancestors suffered an event, greatly reducing their numbers
B. that at some time in the past our ancestors suffered an event that greatly reduced their numbers
C. that some time in the past our ancestors suffered an event so that their numbers were greatly reduced,
D. some time in the past our ancestors suffered an event from which their numbers were greatly reduced
E. some time in the past, that our ancestors suffered an event so as to reduce their numbers greatly,

A 解释后半部分谁知道啥意思

作者: abc791201064 时间: 2013-9-3 23:46
up~~~~~~~~~~~~~~~~~~~~~~~

作者: abc791201064 时间: 2013-9-14 17:10
up。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

作者: bbrr1105 时间: 2013-9-16 17:08
我是这样理解的〜。OG意思是说，去了that，使的破折号之后的句子感觉上是修饰整个主句（what the anthropologists believe.),就成了个令人困扰的修饰了（rhetocally puzzling)，因为它实际要解释的是前面主句里的that从句。。所以，that不能删去。

至于最后一句。。。我也至今苦恼着

作者: jlliner 时间: 2013-9-16 18:00
http://forum.chasedream.com/thread-791339-1-1.html
看一下这里哈
reduce numbers and variation
都是修饰event的
但reducing可以作为结果状语或者伴随修饰主语或者suffer 就没有B直接加that来的明确了
我是这样理解的

还有加at是因为如果直接用some time表示将来某个时间吗？

作者: abc791201064 时间: 2013-9-16 19:38

jlliner 发表于 2013-9-16 18:00
http://forum.chasedream.com/thread-791339-1-1.html
看一下这里哈
reduce numbers and variation

您好我的意思不是原句看不懂是解释看不懂 A 的解释

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