Question:
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
Spolier: C
Solution:
Both “Discriminate between X and Y” and “Discriminate X from Y” are correct idioms. Therefore, we can eliminate B, D, and E. To decide between A and E the rule is:
We use “Discriminate X from Y” –for opposite things
We use “Discriminate between X and Y” — for similar things
Since we are comparing two similar objects, we use “Discriminate between X and Y”.
The correct answer is C.
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December 7th, 2008 at 9:53 am
Hello
I dont really understand your [Since we are comparing to similar characteristics, we use “Discriminate between X and Y”.] I think the the comparison is between the differences of the diamond