试题与答案

从基底层到角质层含量逐渐减少的是()A.胆固醇 B.脂肪酸 C.磷脂 D.神经酰胺

题型:单项选择题

题目:

从基底层到角质层含量逐渐减少的是()

A.胆固醇

B.脂肪酸

C.磷脂

D.神经酰胺

答案:

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     If you're thinking about becoming a vegetarian, make sure that you pay attention to your diet very

carefully.  And of course, pay special attention to your health when doing so. Being a vegetarian isn't

for everyone, so don't be discouraged if you can't give up hamburgers and meat dumplings! Vegetables

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A.  they have no meat to eat    

B.  they want to keep healthy

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2. If you decide to become a vegetarian, you should _______.

A.  eat only vegetables    

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