NN来compare一下prep1-52/129中差不多的两题，答案却不一样~大谢！

52.In addition to her work on the Miocene hominid fossil record, Mary Leakey contributed to archaeology with her discovery of the earliest direct evidence of hominid activity and painstakingly documenting East African cave paintings.

(A) Leakey contributed to archaeology with her discovery of the earliest direct evidence of hominid activity and painstakingly documenting
(B) Leakey contributed to archaeology by her discovery of the earliest direct evidence of hominid activity and by painstakingly documenting
(C) Leakey was a contributor to archaeology with her discovery of the earliest direct evidence of hominid activity and with her painstaking documentation of
(D) Leakey's contributions to archaeology include her discovery of the earliest direct evidence of hominid activity and her painstaking documentation of
(E) Leakey's contributions to archaeology include discovering the earliest direct evidence of hominid activity and painstaking documentation of

129.In addition to her work on the Miocene hominid fossil record, Mary Leakey contributed to archaeology through her discovery of the earliest direct evidence of hominid activity and through her painstaking documentation of East African cave paintings.

(A) Mary Leakey contributed to archaeology through her discovery of the earliest direct evidence of hominid activity and through her painstaking documentation of
(B) Mary Leakey contributed to archaeology by her discovery of the earliest direct evidence of hominid activity and painstakingly documenting
(C) Mary Leakey was a contributor to archaeology by discovering the earliest direct evidence of hominid activity and with her painstaking documentation of
(D) Mary Leakey's contributions to archaeology include her discovery of the earliest direct evidence of hominid activity and painstakingly documenting
(E) Mary Leakey's contributions to archaeology include her discovering the earliest direct evidence of hominid activity and painstaking documentation of

52选D

129选A

问题是和her work平行的究竟应该是Mary，还是M's contributions？

AB应该是同类事物吧，这样的话，129的答案就比较难理解。

与her work平行的应该是 her discovery and her documentation.

所以一定要读懂题意, 搞清楚那些是同类的事物.

52.In addition to her work on the Miocene hominid fossil record, Mary Leakey
contributed to archaeology with her discovery of the earliest direct
evidence of hominid activity and painstakingly documenting East African cave paintings.

(A)
Leakey contributed to archaeology with her discovery of the earliest
direct evidence of hominid activity and painstakingly documenting
(B)
Leakey contributed to archaeology by her discovery of the earliest
direct evidence of hominid activity and by painstakingly documenting
(C)
Leakey was a contributor to archaeology with her discovery of the
earliest direct evidence of hominid activity and with her painstaking
documentation of
(D) Leakey's contributions to archaeology include
her discovery of the earliest direct evidence of hominid activity and
her painstaking documentation of 完美平行,discovery, documentation
(E) Leakey's contributions to
archaeology include discovering the earliest direct evidence of hominid
activity and painstaking documentation of

129.In addition to her work on the Miocene hominid fossil record, Mary
Leakey contributed to archaeology through her discovery of the earliest
direct evidence of hominid activity and through her painstaking
documentation of East African cave paintings.

(A) Mary Leakey
contributed to archaeology through her discovery of the earliest direct
evidence of hominid activity and through her painstaking documentation
of

完美平行 through, and through
(B) Mary Leakey contributed to archaeology by her discovery of
the earliest direct evidence of hominid activity and painstakingly
documenting
(C) Mary Leakey was a contributor to archaeology by
discovering the earliest direct evidence of hominid activity and with
her painstaking documentation of
(D) Mary Leakey's contributions to
archaeology include her discovery of the earliest direct evidence of
hominid activity and painstakingly documenting 这里不平行了!

(E) Mary Leakey's
contributions to archaeology include her discovering the earliest
direct evidence of hominid activity and painstaking documentation of

哈哈，谢谢各位，赠送每位50分RP。

In addition to 不是区分点，关键是后面的平行

推荐lz看破解语法笔记，觉得是讲语法讲的最好的材料了

ps  也送我50RP吧，呵呵

注意看！两道题的选项不同。第一题D选项后面平行对称而A不对称，所以选D，而第二题A选项平行对称而D不对称选A