合成胆固醇的限速酶是
A．HMG-CoA合酶B．HMG-CoA裂解酶C．HMG-CoA还原酶D．硫解酶
参考答案：C
The book is a bit difficult. read something easier?
A．Why not to
B．Why don’t
C．Why not
D．Why not you
氯化钾镀锌的电流效率（）
A.大于90%
B.10%—30%
C.100%
D.50%
