Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.
A.while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B.while at the same time introducing some 100,000 dangerous chemical pollutants that have
C.while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
D.but introducing some 100,000 dangerous chemical pollutants at the same time that have
E.but at the same time introducing some 100,000 dangerous chemical pollutant, having
答案B 我的问题是A 句子中“逗号+doing”有两种情况 1.伴随动作,逻辑主语等于主句主语 2.伴随结果,修饰主句 A中having 修饰Industrialization and modern methods 不行吗?也说得过去啊。工业化和现代生物控制措施管理不当 快考试了求解释~ 另外,AB中,while和at the same time不重复吗?PREP08笔记说,while既表同时也表对比(你可能会说这里是表对比,但是PREP有个题就是说这一个词同时兼备两个意思,易歧义一般不用)
while在这里面的意思表示转折的意思,按照句子意思是Industrialization and modern methods of insect control 有带来好处,但也有坏处,while at the same time:但是同时introducing...,并没有重复的意思;你可以和D对比下,D中的but是没错的,错就错在了其后面的introducing没有平行对象 - 即introducing没有办法和前面的have improved去平行,另外A中的having修饰有歧义,having可以修饰Industrialization and modern methods of insect control,也可以修饰pollutants, 按照句子逻辑意思,后面的那部分应该是要修饰chemical pollutants的。
while在这里面的意思表示转折的意思,按照句子意思是Industrialization and modern methods of insect control 有带来好处,但也有坏处,while at the same time:但是同时introducing...,并没有重复的意思;你可以和D对比下,D中的but是没错的,错就错在了其后面的introducing没有平行对象 - 即introducing没有办法和前面的have improved去平行,另外A中的having修饰有歧义,having可以修饰Industrialization and modern methods of insect control,也可以修饰pollutants, 按照句子逻辑意思,后面的那部分应该是要修饰chemical pollutants的。
-- by 会员 justin410 (2011/9/10 21:58:32)
D中but前后确实不平行 while的问题:笔记里有一题排除了一个带while的选项,因为while有两个意思。看来对笔记也得辩证看待。 having只能修饰主语或者前面整句。但是若修饰主语,逻辑意思不对。 我错就错在上面这句话。当时我就觉得having的逻辑主语用Industrialization and modern methods of insect control。工业化和昆虫现代控制方式自从发展以来一直处于不管理不管理状态。