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.
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 这个题是选C 我选了D。。。。。。。A的Making错误太明显了,D中的主谓一致也很致命。我想问的是BC中they的指代问题!!!! 难道大家没有觉得这里的they有指代ResearcherS的可能吗?应该优先指代主句主语吗?这里很疑惑? 个人目前在北美,现在是晚上了已经。不知有没有勤奋的孩纸现在一大早在线啊?求解答
可是每个选项里都有they或者them呀,还是靠逻辑意思了,researchers are disease- or pest-resistant 不太合乎逻辑吧,techniques 也不太合乎逻辑吧。而且they 离plants 也不远。优先指代但不是绝对!绝对的只有两条:代词的单复数和性别要和所指代的名词相符。
可是每个选项里都有they或者them呀,还是靠逻辑意思了,researchers are disease- or pest-resistant 不太合乎逻辑吧,techniques 也不太合乎逻辑吧。而且they 离plants 也不远。优先指代但不是绝对!绝对的只有两条:代词的单复数和性别要和所指代的名词相符。