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Recently physicians have determined that stomach ulcers are not caused by stress, alcohol, or rich foods, but a bacterium that dwells in the mucous lining of the stomach.

正确答案: C

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发表于 2010-1-29 07:38:27 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Recently physicians have determined that stomach ulcers are not caused by stress, alcohol, or rich foods, but a bacterium that dwells in the mucous lining of the stomach.
  • not caused by stress, alcohol, or rich foods, but
  • not caused by stress, alcohol, or rich foods, but are by
  • caused not by stress, alcohol, or rich foods, but by
  • caused not by stress, alcohol, and rich foods, but
  • caused not by stress, alcohol, and rich foods, but are by

答案C
很多比较两者的句子里,动词可以省略,如果我把A答案的最后加上“by”是不是就对了?
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沙发
发表于 2010-1-29 09:09:30 | 只看该作者
我觉得A如果在后面加上BY,也是对的。
板凳
发表于 2010-1-29 18:53:02 | 只看该作者
这里是习语是not A, but B, 其中A,B要平行对称。
A中如果要使其对的话,必须改成not caused by stress, alcohol, or rich foods, but caused by这样才对,加一个by不能解决问题。
地板
发表于 2010-1-30 11:59:05 | 只看该作者
Recently physicians have determined that stomach ulcers are not caused by stress, alcohol, or rich foods, but a bacterium that dwells in the mucous lining of the stomach.
  • not caused by stress, alcohol, or rich foods, but


  • not caused by stress, alcohol, or rich foods, but are by


  • caused not by stress, alcohol, or rich foods, but by


  • caused not by stress, alcohol, and rich foods, but


  • caused not by stress, alcohol, and rich foods, but are by



答案C
很多比较两者的句子里,动词可以省略,如果我把A答案的最后加上“by”是不是就对了?
-- by 会员 ggruhe2000 (2010/1/29 7:38:27)



这个不能确定,能否找出省略的例子研究一下
5#
发表于 2012-7-12 19:37:13 | 只看该作者
[quote]
这里是习语是not A, but B, 其中A,B要平行对称。
A中如果要使其对的话,必须改成not caused by stress, alcohol, or rich foods, but caused by这样才对,加一个by不能解决问题。
-- by 会员 taozike (2010/1/29 18:53:02)

[/quote

OG 的解釋是: A To preserve parallelism, but should be followed by by.

所以我覺得這裡的平行應該跟not 的位置沒有關係.
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