尿相对密度固定式接近于（），提示肾浓缩功能严重受损。
参考答案：1.010
血压计 ( )
A．31
B．24
C．29
D．19
It was _____ she took off her dark glasses _____ she was a famous film star. [ ]
A. when, that didn't realize
B. not until, that I realized
C. not when, when I realized
D. until, that I didn't realize
