尿中微量蛋白质的测定宜用（）
A.凯氏定氮法
B.双缩脲法
C.酚试剂法
D.紫外分光光度法
E.溴甲酚绿
参考答案：C
— Guess what! I came across an old friend at the party last night.
— _____ I'm sure you had a wonderful time. [ ]
A. Very well.
B. Sounds good!
C. How nice!
D. All right.
压力过滤罐过滤生产时，出入口压差要小于（）。
A、0.02MPa
B、0.05MPa
C、0.08MPa
D、0.10MPa
