在奶牛分泌的末乳中所含酶的种类有______。
A.解脂酶
B.乳糖酶
C.氧化酶
D.还原酶
E.淀粉酶
F.木瓜蛋白酶
参考答案:A,B,C,D
.— Are you satisfied with the result of the examination?
— Not at all. _______.
A.That’s all right
B.It’s up to you
C.It couldn’t be worse
D.It depends
蒸汽对汽轮机金属部件表面的热传递有哪些方式?