能用来准确地测出肾小球滤过率的物质是
A．肌酐B．酚红C．果糖D．菊粉E．对氨基马尿酸
参考答案：D
一 Where is your new home now?
— In the new developed zone. But I _____ downtown for five years. [ ]
A. have lived
B. had lived
C. 1ived
D. was living
在某压力下，将含甲醇0.45（摩尔分数）的甲醇-水混合物进行闪蒸，规定汽化率为0.55，进料量为20kmol/h，操作范围内汽液平衡关系为y=O.46x+0.525。则闪蒸后气相产品的流量为（）。
A、11.02kmol/h
B、9.01kmol/h
C、14.14kmol/h
D、12.50kmol/h
