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标题: gwd-2-34 having done 做定语 [打印本页]

作者: mjfanshome 时间: 2007-7-18 11:54
标题: gwd-2-34 having done 做定语

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.

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

答案 a

我选b having done 做定语错

作者: SindyMao 时间: 2007-7-18 12:18

选A不选B主要是因为CAN的位置，这是才是考点

作者: raikey 时间: 2007-10-24 23:26
我看选C,理由似乎还挺充分.
From LONGMAN:
7 [not in progressive]
to think that something is probably true, based on what you know
[= presume]:

There were many more deaths than was first supposed.

suppose (that)

What makes you suppose we're going to sell the house?------没有that

There's no reason to suppose (=it is unlikely that)
he's lying.------也没有that

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