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标题: GWD一道语法题 谢谢看帖谢谢回帖啦 [打印本页]

作者: caiqiunan    时间: 2013-2-11 16:35
标题: GWD一道语法题 谢谢看帖谢谢回帖啦
By the same techniques used for genetically enhancing plants, making them disease- or pest-resistant, researchers have been able to increase the amount of protein in potatoes, sweet potatoes, and tobacco.
A. By the same techniques used for genetically enhancing plants, making them
B. With the same techniques to genetically enhance plants, so that they are
C. Employing the same techniques used to genetically enhance plants so that they are
D. Employing the same techniques to genetically enhance plants, which makes them
E. Employing the same techniques for genetically enhancing plants that make them



D选项中的which能不能指代前面一整句话,我觉得也说得通啊。
答案是C


作者: DUKB24    时间: 2013-2-11 16:58
which只能指代名词

不能指代句子
作者: caiqiunan    时间: 2013-2-11 21:26
ddddd
作者: caiqiunan    时间: 2013-2-12 15:05
求助啊




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