一个代词指代问题

hitler999 · 发表于 2005-7-14 14:18:00

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 tobacoo.

With the same techniques to genetically enhance plants,so that they are disease- or pest-resistant ,researchers have been able to increase the amount of protein in potatoes,sweet potatoes, and tobacoo.

Employing the same techniques used for genetically enhance plants so that they are disease- or pest-resistant ,researchers have been able to increase the amount of protein in potatoes,sweet potatoes, and tobacoo.

这三句话中粗体的they 或them在语法上分别指代什么啊？提醒：前面两句是有逻辑错误的。

谢谢！

hitler999 · 发表于 2005-7-14 14:59:00

刚刚看到一个帖子（http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=56964&replyID=&skin=0），tulipmontreal说“定语从句、状语从句中的代词优先指代限制的定语,即从句的主语”，这个说法对吗？

c_violet2000 · 发表于 2005-7-14 16:37:00

三句里的代词指代的都是PLANTS.从句意可以判断,后面的disease- or pest-resistant只能指PLANTS

另外关于THEY会不会引起修饰RESERCHERS的歧义问题,我在http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=56964&replyID=&skin=0里跟了帖子,楼主可以去看看.open to discussion

hitler999 · 发表于 2005-7-15 23:08:00

以下是引用c_violet2000在2005-7-14 16:37:00的发言：

三句里的代词指代的都是PLANTS.从句意可以判断,后面的disease- or pest-resistant只能指PLANTS

另外关于THEY会不会引起修饰RESERCHERS的歧义问题,我在http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=56964&replyID=&skin=0里跟了帖子,楼主可以去看看.open to discussion

那请你讲讲前两句话的错误在哪里？

c_violet2000 · 发表于 2005-7-18 07:23:00

以下是引用hitler999在2005-7-14 14:18:00的发言：

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 tobacoo.

夹心饼干,红字部分可能修饰逗号前也可能修饰逗号后的接近名词,这里就存在它了能既修饰plants 又可修饰 reserchers的情况.

With the same techniques to genetically enhance plants,so that they are disease- or pest-resistant ,researchers have been able to increase the amount of protein in potatoes,sweet potatoes, and tobacoo.

ETS一般忌用WITH.做伴随状语.且so that 一般不用独立在逗号后的分句中.正确的是SVO so that ....

Employing the same techniques used for genetically enhance plants so that they are disease- or pest-resistant ,researchers have been able to increase the amount of protein in potatoes,sweet potatoes, and tobacoo.

我怎么觉得没一句是对的>这里的FOR也有问题,应该用TO表目的吧

一个代词指代问题

一个代词指代问题

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