A.蛋白质的盐析
B.酯的水解
C.蛋白质变性
D.酯化反应
答案:C
下列物质中,不属于电解质的是
A.H2SO4
B.NaOH
C.NaCl
D.C2H5OH
单项选择。
______ are good friends. [ ]
A.I and she
B.I and her
C.She and I
D.She and me