下列尿的变化指标中哪项表示慢性肾功能衰竭更严重（）。
A.夜尿增多
B.尿蛋白阳性
C.高渗尿
D.低渗尿
E.等渗尿
参考答案：E
The famous film star looked so handsome in his new clothes that we took _____ pictures of him. [ ]
A. many of
B. masses of
C. a great deal of
D. a plenty of
小绞车行星减速部分有（）个行星轮。
A、1个
B、2个
C、3个
D、4个
