OG38 与OG15

15. In his research paper, Dr. Frosh, medical director of the Payne Whitney Clinic, distinguishes mood swings. which may be violent without their being grounded in mental disease, from genuine manic-depressive psychosis.

(A)  mood swings, which may be violent without their being grounded in mental disease, from genuine manic-depressive psychosis

(B)  mood swings, perhaps violent without being grounded in mental disease, and genuine manic-depressive psychosis ,

(C) between mood swings, which may be violent without being grounded in mental disease, and genuine manic-depressive psychosis

(D) between mood swings, perhaps violent without being grounded in mental disease, from genuine manic-depressive psychosis

(E)  genuine manic-depressive psychosis and mood swings, which may be violent without being grounded in mental disease

The best choice is C because it uses the idiomatically correct expression distinguishes between x and y and because it provides a structure in which the relative clause beginning which may be violent clearly modifies mood swings. The other choices use distinguishes in unidiomatic constructions. Additionally, their in A is intrusive and unnecessary, and the modifier of mood swings in B and D (perhaps violent) is awkward and less clear than the more developed clause which may be violent.

★38. Scientists have observed large concentrations of heavy-metal deposits in the upper twenty centimeters of Baltic Sea sediments, which are consistent with the growth of industrial activity there.

(A)              Baltic Sea sediments, which are consistent with the growth of industrial activity there

(B)              Baltic Sea sediments, where the growth of industrial activity is consistent with these findings

(C)             Baltic Sea sediments, findings consistent with its growth of industrial activity

(D)             sediments from the Baltic Sea, findings consistent with the growth of industrial activity in the area

(E)              sediments from the Baltic Sea, consistent with the growth of industrial activity there

All of the choices but D contain ambiguities. In A and B the words which and where appear to refer to sediments, and in E it is not clear what consistent describes. In A, C, and E, there is no logical place to which there or its could refer. In D, the best choice, the phrase sediments from the Baltic Sea tells where the sediments originate, findings provides a noun for consistent to modify, and in the area clearly identifies where the industrial activity is growing.

38D中,findings加形容词短语是什么结构,是独立主格吗?

15D中perhaps violent without being grounded in mental disease,是不是unidiomatic?,可不可以类类似修饰前一个名词??

38不知道；

15 which不能指代前面的句子，要指代句子，要么用Ving，要么用新名词。

是的。

38. D中between...and...结构不完整。

很想问一下这道题，

15. In his research paper, Dr. Frosh, medical director of the Payne Whitney Clinic, distinguishes mood swings. which may be violent without their being grounded in mental disease, from genuine manic-depressive psychosis.
  

(A) mood swings, which may be violent without their being grounded in mental disease, from genuine manic-depressive psychosis
   

(B) mood swings, perhaps violent without being
   grounded in mental disease, and genuine
   manic-depressive psychosis ,

(C) between mood swings, which may be violent
   without being grounded in mental disease, and
   genuine manic-depressive psychosis

(D) between mood swings, perhaps violent without
   being grounded in mental disease, from
   genuine manic-depressive psychosis

(E) genuine manic-depressive psychosis and mood
   swings, which may be violent without being
   grounded in mental disease
   

The best choice is C because it uses the idiomatically correct expression distinguishes between x and y and because it provides a structure in which the relative clause beginning which may be violent clearly modifies mood swings. The other choices use distinguishes in unidiomatic constructions. Additionally, their in A is intrusive and unnecessary, and the modifier of mood swings in B and D (perhaps violent) is awkward and less clear than the more developed clause which may be violent.
    

"perhaps violent without
       being grounded in mental disease"这句话是不是 形容词做状语，修饰了整个句子的逻辑主语即Dr.Frosh，所以不对呢？？？··

我现在有点蒙了，伴随状语到底修饰什么呢？ 有的说是修饰动词，有的说是修饰前面的句子……晕了~~~希望大家帮忙~~

"perhaps violent without
       being grounded in mental disease"这句话是不是 形容词做状语，修饰了整个句子的逻辑主语即Dr.Frosh，所以不对呢？？？··

我现在有点蒙了，伴随状语到底修饰什么呢？ 有的说是修饰动词，有的说是修饰前面的句子……晕了~~~希望大家帮忙~~

看到之前有个人总结BD选项时写道“形容词性的无动词分句既可以作状语修饰主语，也可以作定语修饰逗号前面的名词”

想请问大家对不对~~

我一直感觉，现在分词、过去分词、形容词作后置定语的时候，被修饰词与修饰词之间是不应该有逗号的

而当现在分词、过去分词、形容词作状语的时候，是要有逗号的~~~

不知道对不对？哪位帮帮忙哇~~~

没人理……是不是我的问题太过白痴了？？？