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楼主
发表于 2011-9-13 14:46:57 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
If current trends continue, by the year 2010 carbon emissions in the United States will soar to a level more than one-third high than were those  in 1990, according to official projections.
A. will soar to a level more than one-third high than were those
B.  will soar to a level more than one-third high than that
C. would soar to a level more than one-third high than it was
D. would soar to a level more than one-third high than were those
E. would soar to a level more than one-third high than they were
答案是B,我选了D,
我有两个问题,想请教
1.will 为什么不用would,选用虚拟语气的方法?
2. carbon emissions 在后面为什么用that 代替,而不用those???
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沙发
发表于 2011-9-13 14:53:11 | 只看该作者
IF present  ,  THEN future   代表对未来的确定性,而如果要用IF的虚拟语气的话前面的continue要用continued, 后面的再用would表示的是不太会发生的情况。。。这个可能我说的不好你去看看manhattan  的113页~~
板凳
 楼主| 发表于 2011-9-13 15:03:48 | 只看该作者
非常感谢,我马上去看,好像想起来,那个hypothetical subjunctive要用在不太可能发生的情况上 unlikely to happen
多谢!
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