以下是引用joeyruan在2007-8-14 11:21:00的发言：PREP SC 有2道题请教 Lulu, Partick, Killer, Jolian 47. Those skeptical of the extent of global warming argue that short-term temperature data are an inadequate means of predicting long-term trends and point out that the scientific community remains divided on whether significant warming will occur and what impact will it have if it does.
(A) on whether significant warming will occur and what impact will it have if it does
(E) over whether significant warming will occur and what impact it would have A 怎么错了 90. Diesel engines burn as much as 30 percent less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gases that have been implicated in global warming.
(A) of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gases that have (B) of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gases having B 怎么错了 三克油耳马吃  说说我的想法 47 首先应该是正常语句，即 what it would 因为它是on/over 后面的从句，怎么能用问句呢。 比如说 i am not sure what he is doing right now, 不能说 i am not sure what is he doing right now. 还有就是killer说的，would 表示假设，在这里用虚拟语气更好，表示假设它存在的话会有怎样的影响。 90 as well as emitting是伴随状语，它说明Diesel engines 在省油的同时还能减少某个东西。 要是用and开始第二句话，我觉得可以用emit。好像og里没有用as well as引导并列结构的主句。 that引导的定语从句比having更清楚的修饰gases，而且我感觉that引导的定语从句在一个本来就不短的句子中出现优选，尤其在这句话中还有其它结构，因为它最清楚的说明修饰的对象，不confusing。 | 
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发表于 2007-8-14 14:37:00
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