Why are organic vegetables not always safe？
A. Because they contain more chemicals.
Because they can make people less resistant to sunshine.
C. Because some chemicals in them can be potential dangers.
D. Because their genes are modified to some degree.
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Why cholesterol levels in people are higher in winters？
A. Because there is not enough vitamin D in the body.
Because people don"t exercise enough in winters.
C. Because the temperature is lower in winters.
D. Because people do not receive enough sunshine during winters.
According to Sharon, who is the mostly likely to fall victim to hemochromatosis？
A. Millions of Americans.
B. People from Western or Northern Europe.
C. People who have taken too iron from food.
D. Those with liver diseases.
Wilson病
A. 黑质.黑质纹状体通路
B. 纹状体.大脑皮质.小脑等
C. 豆状核
D. 尾状核加壳核
E. 丘脑底核 下列疾病的病变部位是：
震颤麻痹
A. 黑质.黑质纹状体通路
B. 纹状体.大脑皮质.小脑等
C. 豆状核
D. 尾状核加壳核
E. 丘脑底核 下列疾病的病变部位是：
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