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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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TTGWD2-34

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发表于 2006-8-10 13:01:00 | 显示全部楼层

TTGWD2-34

Q34:

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

A和C之间哪个好呢?谢谢

发表于 2006-8-10 21:28:00 | 显示全部楼层
C
发表于 2006-8-10 21:43:00 | 显示全部楼层
A    情态动词不好随便省略的吧,而且原文的意思也没有明显错误
 楼主| 发表于 2006-8-10 22:35:00 | 显示全部楼层
可否说一下c 的理由?
 楼主| 发表于 2006-8-11 11:15:00 | 显示全部楼层
还没有准确答案吗?自己顶一下
发表于 2006-8-11 11:28:00 | 显示全部楼层

A

1情态动词

2 C的话,LEFT表被动,但并没被动含义

个人理解,仅供参考

发表于 2006-8-11 11:47:00 | 显示全部楼层

C.left is past tense.

发表于 2006-8-17 14:05:00 | 显示全部楼层
I prefer C.
发表于 2006-8-26 21:29:00 | 显示全部楼层
pre‧sume
            
S3
1 [transitive]
                
to think that something is true, although you are not certain
[= assume]:
Each of you will make a speech, I presume?

        

                presume that

            
I presume we'll be there by six o'clock.

                presume somebody/something to be somebody/something

            
From the way he talked, I presumed him to be your boss.

                be presumed to do something

            
The temple is presumed to date from the first century BC.
2 [transitive]SCL
                
to accept something as true until it is shown to not be true, especially in law
[= assume]:
We must presume innocence until we have evidence of guilt.

                be presumed dead/innocent etc

            
Their nephew was missing, presumed dead.
3 [intransitive]
            
formal

                
to behave without respect or politeness by doing something that you have no right to do

                presume to do something

            
I would never presume to tell you what to do.
4 [transitive usually in present tense]
            
formal

                
to accept something as being true and base something else on it
[= presuppose]:
The Ancient History course presumes some knowledge of Greek.
presume that
            
I presume that someone will be there to meet us when we arrive.
5
                                    presume on/upon somebody's friendship/generosity etc

                
to unfairly ask someone for more than you should, because they are your friend, are generous etc
:
It would be presuming on his generosity to ask him for money.
我觉得这题presume就是第四个意思,presume sth,所以C中的left就成了被动含义,错

            

其他选项排除:

whether与whether并列,Presuming插入语,置于whether之后,排除DE


            

B
if it is presumed 罗嗦,排除B


            

原句情态动词一般不变,排除CE

所以我选A,请指教


            
发表于 2006-9-22 17:04:00 | 显示全部楼层

can 用的有问题 应该是trace是否存在,而不是trace是否能存在

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