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NASA's methodical approach to the exploration of Mars has not yet answered the questions of whether biological life forms ever emerged on Mars and whether, presuming such life forms having left fossil traces to begin with, those traces can still exist in some moist recesses of the cold and arid planet.

正确答案: C

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求助:涛涛GWD31-02-34

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楼主
发表于 2006-7-31 19:33:00 | 只看该作者

求助:涛涛GWD31-02-34

NASA’s methodical approach to the exploration of Mars has not yet answered the questions of whether biological life forms ever emerged on Mars
                    
and whether, presuming such life forms having left fossil traces to begin with, those traces can still exist in some moist recesses of the cold and arid planet.

 

  1. and whether, presuming such life forms having left fossil traces to begin with, those traces can
  2. and whether, if it is presumed that such life forms left some fossil traces to begin with, can those traces
  3. and whether, presuming such life forms left fossil traces to begin with, those traces
  4. and, presuming such life forms did leave some fossil traces to begin with, if they can
  5. and, presuming such life forms to have left fossil traces to begin with, if they

答案是A。我选的是C,having left 的形式不对吧,是因为情态动词can吗?

查过老贴,但没有结果,麻烦哪位高人帮帮我吧~

沙发
 楼主| 发表于 2006-7-31 19:34:00 | 只看该作者

3x!

 

板凳
发表于 2006-7-31 23:36:00 | 只看该作者
把can去了意思就完全变了。。。
地板
 楼主| 发表于 2006-8-1 11:35:00 | 只看该作者
看来不能只凭having done的形式叉选项
5#
发表于 2006-8-1 19:53:00 | 只看该作者

此题经过讨论答案不是C吗?怎么变成A了?

6#
发表于 2006-12-23 20:34:00 | 只看该作者
c
7#
发表于 2007-6-26 15:32:00 | 只看该作者
A. C: presume sth. done distort the meaning
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