以下是引用发粪涂墙在2007-1-23 3:58:00的发言：Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the putuitary glands of human cadavers.
A)scientists learned how to make a synthetic growth hormone, removing it painstakingly B)scientists learnt how to synthesize the growth hormone, it had to be painstakingly removed C)learning how to make a synthetic growth hormone,scientists had to remove it painstakingly 上次一位仁兄的prep问题，至今我也没搞明白为什么B比C好？原文好像并没有倾向于任何一种逻辑意思。请大家帮忙解决！ 涂墙兄，你是不是手抄上来的题目，怎么B选项和我的不太一样呢？也许是变形题我还没看到的？我已经看过的题目正确选项是C。你对比一下，如下： 11. Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the pituitary glands of human cadavers. A. scientists learned how to make a synthetic growth hormone, removing it painstakingly B. scientists had learned about making a synthetic growth hormone, they had to remove it painstakingly C. scientist learned how to synthesize the growth hormone, it had to be painstakingly removed D. learning how to make a synthetic growth hormone, scientists had to remove it painstakingly E. Learning how to synthesize the growth hormone, it have to be painstakingly removed by scientists 这里的确是有逻辑意思在里面的：科学家们synthesize的是growth hormone，正确的句子里it的指代对象必须是growth hormone，而不是synthetic growth hormone(合成了的...)，你想想是不是？ 所以C对，ABD在这层意思上都错了。（在你的题目里，C的意思就是错的） | 
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发表于 2007-1-23 11:00:00
