题目内容

属于脂溶性维生素的有（）

A.维生素A
B.维生素C
C.维生素K
D.氨苄西林
E.核黄素

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According to the text, in what way do men and women evaluate their appearance differently?

What causes women to be always dissatisfied with their looks?

What is the author's attitude toward the claim that women care much about their appearance due to pressure from men?

初等行变换改变方程组的解( )。

A. 对
B. 错