标题: OG12 81题请教一下 [打印本页] 作者: 12711399 时间: 2012-11-10 13:06 标题: OG12 81题请教一下 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. (A) not caused by stress, alcohol, or rich foods, but (B) not caused by stress, alcohol, or rich foods, but are by (C) caused not by stress, alcohol, or rich foods, but by (D) caused not by stress, alcohol, and rich foods, but (E) caused not by stress, alcohol, and rich foods, but are by
正确答案是C，我知道是idiom的问题，但是我想问下省略的问题 以下补上省略后 stomach ulcers are caused not by stress, alcohol, or rich foods, but stomach ulcers are caused not by stomach ulcers a bacterium 如果不去掉NOT的话不第二部分不符合逻辑，但是我记得好像BY之前的都不能去掉了 如果subject and verb are shared.作者: sisichen666 时间: 2012-11-10 14:24
LZ嘛意思？？？？not...but....并列啊。。。。 stomach ulcers are caused not （by stress, alcohol, or rich foods）, but （by stomach ulcers a bacterium ），是by部分的平行。。。。