大全-987-33

77love · 发表于 2010-10-12 09:13:10

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 substancederived 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,
(C) A Madagascar periwinkle derivative, which has proved useful in decreasing mortality among young leukemia patients,
(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,

答案是E，可是我感觉应该是A啊。 A substance 是来源于Madagascar periwinkle的， A substance 才是主语啊。

estop · 发表于 2010-10-12 13:18:29

A的which应该指代a substance，而不是M periwinkle，但是A中缺指代M P这个东西了

freegod · 发表于 2010-10-21 20:40:18

A选项：A substance 。。。 is cultivated。。。错误，显然应该是Madagascar periwinkle is cultivated

eshopaholic · 发表于 2010-10-21 21:51:50

A 中 which .... 修饰有歧义

大全-987-33

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