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标题: prep1-40 [打印本页]

作者: imyueyue 时间: 2009-7-18 12:56
标题: prep1-40

40.
(32869-!-item-!-188;#058&006461)

Columnist: eople should avoid using a certain artificial fat that has been touted as a resource for those whose medical advisers have advised them to reduce their fat intake. Although the artificial fat, which can be used in place of fat in food preparation, has none of the negative health effects of fat, it does have a serious drawback: it absorbs certain essential vitamins, thereby preventing them from being used by the body.

In evaluating the columnist's position, it would be most useful to determine which of the following?

(A) Whether increasing one's intake of the vitamins can compensate for the effects of the artificial fat

(B) Whether the vitamins that the artificial fat absorbs are present in foods that contain the fat

(D) Whether there are any foods that cannot be prepared using the artificial fat as a substitute for other fats

(E) Whether people are generally able to detect differences in taste between foods prepared using the artificial fat and foods that are similar except for the use of other fats

有点不太理解题意。自己蒙的是B。

为什么选A呢？

作者: Brilliance 时间: 2009-7-21 23:04
求解

作者: Brilliance 时间: 2009-7-21 23:05
求解

作者: ruirui_hsu 时间: 2009-8-1 12:18
我也有相同的疑问虽然A可以讲得通然后在A B徘徊中我选择了A...

作者: heygika 时间: 2009-11-17 12:31
I go with A~

A
是否可以增多这种vitamin摄入.来弥补人造脂肪阻止维他命吸收的不足..
如果是的话.可以弥补. 削弱结论.
如果不是的话.不能弥补. 加强结论.

B
是否被人造fat吸收的vitamin存在于含有fat的食物中..
完全无关呐..

作者: glitters 时间: 2010-3-14 18:01
为什么B无关？
回答是：人造脂肪会吸收那些特定的维生素，从而影响人体吸收。
回答否：举个例子，比如人造脂肪吸收维生素C，柠檬里有维生素C，但是人们食用柠檬时从来不用人造脂肪，所以不会影响人体对维生素C的吸收。
请问哪错了呀？

作者: glitters 时间: 2010-3-14 18:04
为什么B无关？
回答是：人造脂肪会吸收那些特定的维生素，从而影响人体吸收。
回答否：举个例子，比如人造脂肪吸收维生素C，柠檬里有维生素C，但是人们食用柠檬时从来不用人造脂肪，所以不会影响人体对维生素C的吸收。
请问哪错了呀？

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