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标题: GWD一道题 费解啊。一开始读起来感觉很简单 但到最后感觉好绕啊 [打印本页]

作者: willgoeu    时间: 2012-8-28 06:55     标题: GWD一道题 费解啊。一开始读起来感觉很简单 但到最后感觉好绕啊

GWD-10-Q30:GWD-2-17
The quality of unrefined olive oil is not actually defined in terms of acidity, yet extensive tests have shown that the less free oleic acid an unrefined olive oil contains per liter, the higher its quality.  The proportion of free oleic acid that an olive oil contains is an accurate measure of the oil’s acidity.

If the statements above are all true, which of the following conclusions is best supported by them?

A.    When an olive oil is refined, the concentration of oleic acid in the oil is reduced.
B.    The quality of an unrefined olive oil can be determined only by accurately measuring its acidity.
C.    If an unrefined olive oil is intermediate in acidity between two other unrefined olive oils, it will also be intermediate between them in quality.
D.    Free oleic acid is the only acid that unrefined olive oil contains.
E.    People who judge the quality of unrefined olive oils actually judge those oils by their acidity, which the judges can taste.
作者: ScentyGuy    时间: 2012-8-28 20:59

This an inference question, which means the correct answer must be true.

The conclusion you can draw from the stimulus is that the level of acidity in unrefined olive oil is a working measure of the quality of the oil.

Therefore, C must be true since it compares the quality of unrefined ollive oils by comparing the acidity thereof.
作者: xiaomakunkun    时间: 2012-8-29 06:23

free oleic acid an unrefined olive oil 越少,质量越高
如果3个oil里的acid分别是1、2、3,质量就是3、2、1
中间的还是中间的
作者: willgoeu    时间: 2012-8-31 06:21

明白了。。。thx




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