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楼主
发表于 2011-5-20 08:41:55 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
A Harvard anthropologist has proposed that using fire to cook food could be dated back to almost two million years and that it could explain hominid features like having a large brain and small teeth.

using fire to cook food could be dated back to almost two million years and that it could explain hominid features like having
the use of fire to cook food could date back almost two million years and could explain such hominid features as
cooking food with fire could date back to almost two million years, explaining hominid features like
fire used to cook food could date back almost two million years ,explaining hominid features such as having. “
fire used for cooking food could be dated back to almost two million years and explain hominid features like.

The difference btw “be dated back to” and “ date back + time” ?
答案是B,我选的D,“be dated back to” and “ date back + time” 的区别是?我知道D在having上出错了
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沙发
发表于 2011-5-20 08:55:33 | 只看该作者
(B) the use of fire to cook food 做后面两个分句的主语,逻辑清晰。举例时用 as 而不用 like
(D) 主语成了fire了,而不是the use of fire to cook food,逻辑意思错误。Having的用法不对。

另外,关于date的用法,主要有:date back,date back to,date from三种,不存在be dated back to这种被动形式,date表“追溯”意思时,只有主动形式。

date back是个动词短语,后面接时间段,有to的话后面得接时间点。ago是副词,一般用在时间段之后,表示“……多长时间”以前

1. date back 后面加一段时间
通常翻译成: 发生在****年(月、天等)前
如:This story dates back 200 years。故事发生在200年前。

2. date back to 后面加某一个过去时间的具体时点
通常翻译成: 发生在过去****的时候
如:The church dates back to 1173. 此教堂建于1173年。
      The town dates back to the Tang Dynasty. 这座小镇建于唐代。

This custom dates back to the 17th century,but this church dates back 8 centuries.
这种风俗开始于17世纪,但这个教堂建于8个世纪前。
板凳
 楼主| 发表于 2011-5-20 09:21:42 | 只看该作者
嗯嗯,谢谢这么详细的分析
地板
发表于 2011-10-11 17:32:19 | 只看该作者
非常感谢详细的分析
5#
发表于 2013-12-10 10:40:50 | 只看该作者
such as 不是应该连用吗,原来还可以分开后表示举例。
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