检查远曲小管功能的方法有（）
A.尿β2C
B.尿糖
C.尿NAG
D.禁饮尿渗量
E.尿钠
参考答案：D
What time does Jane ______ after school?
A．do her homework
B．does her homework
C．do her homeworks
D．does her homeworks
视网膜中央动脉阻塞（如图）的临床特征是（）
A.一眼突然发生无痛性完全失明
B.常见视网膜出血
C.樱桃红斑
D.视网膜动脉变细
E.视网膜混浊水肿
