大全60题同87题的比较

kimpak

60.After a few weeks’ experience, apprentice jewelers can usually begin to discriminate, though not with absolute certainty, genuine diamonds from imitation diamonds.
(A) genuine diamonds from imitation diamonds
(B) genuine diamonds apart from imitations
(C) between genuine diamonds and imitation diamonds
(D) among genuine diamonds and imitation diamonds
(E) whether diamonds are imitation or genuine
答案是C，我选A，
不明白的是discriminate的用法中有有from一说 ？那么87题中的答案B同A,D又有何不同？

87.Although many art patrons can readily differentiate a good debenture from an undesirable one, they are much less expert in distinguishing good paintings and poor ones, authentic art and fakes.
(A) much less expert in distinguishing good paintings and poor ones, authentic art and
(B) far less expert in distinguishing good paintings from poor ones, authentic art from
(C) much less expert when it comes to distinguishing good paintings and poor ones, authentic art from
(D) far less expert in distinguishing good paintings and poor ones, authentic art and
(E) far less the expert when it comes to distinguishing between good painting, poor ones, authentic art, and

chenmoon

以前有帖子讨论过这个问题，look

http://forum.chasedream.com/dispbbs.asp?BoardID=23&replyID=144652&id=20515&star=1&skin=0

http://forum.chasedream.com/dispbbs.asp?BoardID=23&replyID=133528&id=19207&star=1&skin=0