#632. Selling several hundred thousand copies in six months, the publication of “Maple Leaf Rag” in 1899 was an instant hit, helping to establish Scott Joplin as the preeminent ragtime composer.
(A) Selling several hundred thousand copies in six months, the publication of “Maple Leaf Rag” in 1899 was an instant hit, helping to establish Scott Joplin as the preeminent ragtime composer.
(B) The publication in 1899 of “Maple Leaf Rag” was an instant hit: in six months they sold several hundred thousand copies and it helped establish Scott Joplin as the preeminent ragtime composer.
(C) Helping to establish Scott Joplin as the preeminent ragtime composer was the publication of “Maple Leaf Rag” in 1899, which was an instant hit: it sold several hundred thousand copies in six months.
(D) “Maple Leaf Rag” was an instant hit: it helped establish Scott Joplin as the preeminent ragtime composer, published in 1899 and selling several hundred thousand copies in six months.
(E) Published in 1899, “Maple Leaf Rag” was an instant hit, selling several hundred thousand copies in six months: it helped establish Scott Joplin as the preeminent ragtime composer.
答案是E，偶选的D 
#676. Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system’s ability to deal with all other pollutants.
(A) an especially serious pollutant because it diminishes the respiratory system’s ability to deal
(B) an especially serious pollutant because of diminishing the respiratory system’s capability of dealing
(C) an especially serious pollutant because it diminishes the capability of the respiratory system in dealing
(D) a specially serious pollutant because it diminishes the capability of the respiratory system to deal
(E) a specially serious pollutant because of diminishing the respiratory system’s ability to deal
答案是A，偶选C. 名词所有格不是修饰有生命的物体么？？？
#684. That the new managing editor rose from the publication’s “soft” news sections to a leadership position is more of a landmark in the industry than her being a woman.
(A) her being a woman
(B) being a woman is
(C) her womanhood
(D) that she was a woman
(E) that she is a woman
答案是E，但是C为什么不对呢？
