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17. Every photograph, because it involves the light rays that something emits hitting film, must in some obvious sense be true. But because it could always have been made to show things differently than it does, it cannot express the whole truth and, in that sense, is false. Therefore, nothing can ever be definitively proved with a photograph.
Which one of the following is an assumption that would permit the conclusion above to be properly drawn?
(A) Whatever is false in the sense that it cannot express the whole truth cannot furnish definitive proof.
(B) The whole truth cannot be known.
(C) It is not possible to determine the truthfulness of a photograph in any sense.
(D) It is possible to use a photograph as corroborative evidence if there is additional evidence establishing the truth about the scene photographed.（A）
(E) If something is being photographed, then it is possible to prove definitively the truth about it.
这里 B,E 是干什的阿？？？否认前提，还是什么啊，我一直对这样的选项很混论，觉得是真理又不是答案～～～
假设题有要求吗，比如不能否认前提 | 
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发表于 2006-5-9 22:34:00
