OG problems

chenyuwg

249. Bluegrass musician Bill Monroe, whose repertory, views on musical collaboration, and vocal style were influential on generations of bluegrass artists. was also an inspiration to many musicians, that included Elvis Presley and Jerry Garcia. whose music differed significantly from his own.
(A) were influential on generations of bluegrass artists, was also an inspiration to many musicians, that included Elvis Presley and Jerry Garcia, whose music differed significantly from
(B) influenced generations of bluegrass artists, also inspired many musicians, including Elvis Presley and Jerry Garcia, whose music differed significantly from
(C) was influential to generations of bluegrass artists, was also inspirational to many musicians, that included Elvis Presley and Jerry Garcia, whose music was different significantly in comparison to
(D) was influential to generations of bluegrass artists, also inspired many musicians, who included Elvis Presley and Jerry Garcia, the music of whom differed significantly when compared to
(E) were an influence on generations of bluegrass artists, was also an inspiration to many musicians, including Elvis Presley and Jerry Garcia, whose music was significantly different from that of
the answer is B, why? Is Bluegrass musician Bill Monroe or his repertory, views on musical collaboration, and vocal style influenced on generations of bluegrass artists?

160. While some propose to combat widespread illegal copying of computer programs by attempting to change people's attitudes toward pirating, others by suggesting reducing software prices to decrease the incentive for pirating, and still others by calling for the prosecution of those who copy software illegally.
(A) by suggesting reducing software prices to decrease the incentive for pirating, and still others by calling
(B) by suggesting the reduction of software prices to decrease the incentive for pirating, and still others call
(C) suggest the reduction of software prices for decreasing the incentive for pirating, and still others call
(D) suggest the reduction of software prices to decrease the incentive for pirating, and still others by calling
(E) suggest reducing software prices to decrease the incentive for pirating, and still others are calling
the answer is E, why not B? propose, suggest and are calling?

233. Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various industries.
(A) fatigue among shift workers, and have raised
(B) fatigue among shift workers, and raised
(C) and fatigue among shift workers while raising
(D) lowered fatigue among shift workers, and raised
(E) and fatigue among shift workers was lowered while raising
the answer is C, why while raising is right?

joywzy

160,suggest sth (to do sth);
    suggest (to sb) that
    suggest doing sth  to do sth (表目的) ,表目的一般不用for doing sth
    so E is correct

233，reduce sickness,sleeping, fatigue并列，
     reduce 和 raise 并列，用while连接

249，Bill Monroe also inspired many musicians是主干，vocal style influenced generations of bluegrass artists 是其中的一个分句。

Louisa_xy

249.were influential on，was influential to，were an influence on 都不如 一个动词influenced 直接、简洁。
his repertory, views on musical collaboration, and vocal style 影响了几代艺术家。
A\C， that included 错误，that 作为关系代词不能指代人，也不能用在非限定定语从句中。

160. 考的是平行：propose...suggest...and are calling for...这三者的平行，而不是
by attempting to ...by suggesting

233.reduce sickness,sleeping, fatigue并列,需要一个连词and 连接最后一个平行的成分。
while raising=while "shift-work equations" is raising ...
while/when 引导的状语从句中主语和主句主语一致，状语从句即可简化为 while/when...+doing/done这样的副词短语
如，While I watch TV, I like to eat snacks.
  = While watching TV, I like to eat snacks.

chenyuwg

thanks a lot