Eating too _____ is bad for your health. [ ]
A. many
B. less
C. much
D. fewer
答案:C
下列哪种物质是体内转运一碳单位的载体?()
A.血红蛋白
B.叶酸
C.四氢叶酸
D.维生素B12
E.S-腺苷甲硫氨酸
开户单位帐户提取现金的范围是什么?