题目
题目
单项选择题

Fats are important in the diet because

选项
A.a. they supply food energy
B.b. they help carry certain vitamins.
C.c. they help regulate body functions.
D.d. all of the above
E.e. none of the above; fats are harmful and should be eliminated from the diet.
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标准答案
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思路分析
Topic focus: the role of fats in the diet and why they are important. Option a: 'they supply food energy' — This is accurate because fats provide a high-energy source, delivering about 9 kcal per gram, more concentrated than carbohydrates or proteins, which supports daily energy needs when included in the diet. Option b: 'they help carry c......Login to view full explanation

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