[讨论][求助]几道句子改错题求教!

fernandochang

这几题就是搞不懂! 拜托拜托!

LUXIN SC LOOSE-LEAF MATERIALS
11.Many nursery schools in New York City now interview two year olds and report {that applications outnumber openings by as much as 5 to 1.}
(A)that applications outnumber openings by as much as 5 to 1
(B)that applications outnumber openings up to 5 times
(C)applications in excess of openings by up to 5
(D)applications over th number openings by up to 5 to 1
(E)a surplus of applications over openings of as much as 5 times
A):A   [SEC.2 COMPARATIVE STRUCTURE]            

12.An inventory equal to 90 days sales is {as much as even} the strongest business carry, and then only as away to anticipate higher prices or ensure against shortage.
(A)as much as even
(B)so much as even
(C)even so much as
(D)enen as much as that
(E)even so much as that
A):A    [SEC.2 COMPARATIVE STRUCTURE]         

13.The use of chemical pesticides in this country is {equally extensive or more so than ten years ago}.
(A)equally extensive or more so than ten years ago
(B)equal to or more extensive than ten years ago
(C)as extensive as ten years ago or more
(D)equal to, if not more, than ten years ago
(E)as extensive as it was ten years ago, if not more so
A):E   [SEC.2 COMPARATIVE STRUCTURE]      

14.Schizophrenic hallucinations may result from a buildup in the patient's blood of adrenaline by products casued by stress, {which the patient, for genetic reasons, cannot pass through the kidneys as fast as a normal person.}
(A)which the patient, for genetic reasons, cannot pass through the kidneys as fast as a normal person
(B)which passes, for genetic reasons, more slowly through the kidneys of the patient than a normal person
(C)which cannot be passed through the patient's kidneys as fast as a normal person's for genetic reasons
(D)by-products that cannot, for genetic reasons, be passed through the patient's kidneys as fast as a normal person can pass them
(E)by-products that the patient, for genetic reasons, cannot pass through the kidneys as fast as a normal person would
A):E     [SEC.2 COMPARATIVE STRUCTURE]                 

15.Never before had taxpayers confronted {so many changes at once as they had in} the Tax Reform Act of 1986.
(A)so many changes at once as they had in
(B)at once as many changes as
(C)at once as many changes that there were with
(D)as many changes at once as they confronted in
(E)so many changes at once that confronted them in
A)    [SEC.2 COMPARATIVE STRUCTURE]

juvenil

15.主要是时态，用一般过去时；at once 不能放在宾语 changes 前面； as...as 结构。

tongxun

12、even的位置改变了，修饰的单词就改变了，句意也改变了。
not so 。。。as ；so as to

13、or 连接前后的单词，导致equally extensive than的出现
比较要出现明确的比较对象，除非这个比较是非常显而易见的。

14、which直接指带前面的名词，因此前3个选项的which指带有问题。D 的逻辑错误。

15、若A 将had这个助动词改成did就可以了。

fernandochang

14、which直接指带前面的名词，因此前3个选项的which指带有问题。D 的逻辑错误。
->是怎样的逻辑错误???请教!