下列不属真头痛症状的是
A. 起病急骤,头痛剧烈,持续不解
B. 阵发加重
C. 呕吐如喷,肢厥、抽搐
D. 手足逆冷
E. 以上均不正确
Classification of functional foods and nutraceuticals are properly based on ().
A. Sources
B. Mechanism of action
Chemical nature
D. All of the above
What are the functions of DHA?
A. Cardiovascular health
Brain and nervous system
C. Foetus development
D. All of the above
The dietary structure in nutrition refers to ()
A. The internal structure of foods
B. The chemical composition of foods
C. The types of foods that make up the diet
D. The quantity and relative composition of various types of foods in the diet
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