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标题: 大全33~~~ [打印本页]

作者: eva808 时间: 2007-1-30 17:35
标题: 大全33~~~

1. A substance derived from the Madagascar periwinkle, which has proved useful in decreasing mortality among young leukemia patients, is cultivated in China as part of a program to integrate traditional herbal medicine into a contemporary system of health care.

(A) A substance derived from the Madagascar periwinkle, which has proved useful in decreasing mortality among young leukemia patients,

(B) A derivative, which has proved useful in decreasing mortality among young leukemia patients, of the Madagascar periwinkle,

(D) The Madagascar periwinkle has a derivative which has proved useful in decreasing mortality among young leukemia patients, that

(E) The Madagascar periwinkle, a derivative of which has proved useful in decreasing mortality among young leukemia patients,

给出的答案是E~~~

E不是明显改变了原文的意思么~~

C有什么不对呢~~

作者: xt142 时间: 2007-1-30 17:44
被cultivated的是The Madagascar periwinkle，而不是derivative

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