In one of the bloodiest battles of the Civil War, fought at Sharpsburg, Maryland, on September 17, 1862, four times as many Americans were killed as would later be killed on the beaches of Normandy during D-Day.
(A) Americans were killed as
(B) Americans were killed than
(C) Americans were killed than those who
(D) more Americans were killed as there
(E) more Americans were killed as those who
答案是A。
我想问问牛牛们为什么这道题 as many Americans were killed as 后面没有一个与Americans平行的名词或代词。我在读题干的时候按照语感觉得第2个as 后面应该有个those或是别的什么能与Americans形成平行结构的名词或代词，所以一上来就排出了A。但是别的选项更不对，只好选A，可是我对A还是不太理解。
另外，关于as……as……这个结构，考10次我要错8次，就是不知道第2个as后面应该保留什么、省去什么。请大家教教我吧！
嗯，那么请upychhill gg再看看下面这题：
In the 1980’s the rate of increase of the minority population of the
(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of（C）
(E) two times greater than
如果把B中的fast改为其他可以和rate匹配的形容词，是不是就对了呢？
照语法角度讲没错, 譬如用high
？
照语法角度讲没错, 譬如用high
嗯，那么请upychhill gg再看看下面这题：
In the 1980’s the rate of increase of the minority population of the
(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of（C）
(E) two times greater than
如果把B中的fast改为其他可以和rate匹配的形容词，是不是就对了呢？
我也有这样的疑问，当看见as后直接有个would later....等类似谓语动词时，就觉得很奇怪！知道as,than可以做比较从句的主语 时似乎明白了一些。
可是我好像没有GMAT700+MM 聪明啊，你说将如果把B中的fast改为其他可以和rate匹配的形容词，是不是就对了呢？
B中不是有IT 作比较从句的主语么？为什么要这样改啊？
我觉得怎么应该改为(B) twice as high as in
请教哦！
我觉得道理上似乎说得通，应该可以吧
按照lzm的说法，twice一般用于数量上的翻倍，只能说twice as many as或者twice as much as,但不可以对形容词或副词翻倍
嗯，那么请upychhill gg再看看下面这题：
In the 1980’s the rate of increase of the minority population of the
(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of（C）
(E) two times greater than
如果把B中的fast改为其他可以和rate匹配的形容词，是不是就对了呢？
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