A:buying; to be
B:buying; being
C:to buy; being
D:to buy; to be
下列关于人体血糖平衡调节的叙述中,正确的是( )
100ml 1mol/L的AlCl3溶液与100ml3.5mol/L的NaOH溶液混合,得到沉淀为( )