单项选择题
A.7.35-7.45 B.7.45-8.35 C.6.55-7.15 D.4.55-5.65
A.蛋白酶 B.脂肪酶 C.乳糖酶 D.淀粉酶
A.3gNa,17gCl B.0.5gNa,0.5gCl C.0.6gNa,0.4gCl D.0.4gNa,0.6gCl