Whereas lines of competition are clearly defined in the more established industries, in the Internet industry they are blurred and indistinct, as companies that competeone day may be partners the next.
Whereas lines of competition are clearly defined in the more established industries, in the Internet industry they are blurred and indistinct, as companies that compete
Although the lines of competition are clearly defined in industries that are more established, they are blurred and indistinct in the Internet industry, as competing companies
The lines of competition are clearly defined in the more established industries, unlike the Internet where they are blurred and indistinct, as companies that compete
Unlike more established industries, where the lines of competition are clearly defined, they are burred and indistinct in the Internet industry, as companies that compete
Unlike more established industries, with clearly defined lines of competition, those of the Internet industry are blurred and indistinct, as competing companies
在比较成熟的工业中，竞争关系界定得相当清楚，而在网络行业，这种关系则相当混乱模糊，因为某天相互竞争的公司第二天可能却会成为生意伙伴。
此题如果把原句的意思和结构读透了，答案是非常easy的。纯语法分析即可排除cde，源于like结构的用法不累述了，还剩ab，选a，有3个理由
a选项用的the more established industries，而b是industries that are more established这叫 选 n that be adj 还是 adj n 的问题，课上举的例子是 a white horse-- a horse that is white
2 根据句意，这里是一组对比，在成熟工业，在网络业，在英文中，表示这种对比关系，有两个词，一个叫while，一个叫whereas，如I drink coffee, while/whereas he prefers tea.
而although仅有虽然的意思，从逻辑关系看并不适合放在这里。
而（引出一组对比）
可以看出，whereas和although的用法相对单一，
而while这个词可以看成综合了whereas，although，和when三个词的用法
我想这也是出题者这里之所以把whereas 和although放一起考的原因，
one day 和 the next （day）（之所以说他们在呼应大家可以从翻译出来的意思上去体会）
他们是定语从句的状语和主句的状语，分别修饰定从谓语compete和主句谓语may be partners
如果用b选项，则状语 one day失去了修饰的对象，谓语动词compete
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发表于 2010-11-13 21:21:51
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