肾盂及肾盏的上皮为（）。
A.单层扁平上皮
B.单层立方上皮
C.单层柱状上皮
D.变移上皮
E.复层扁平上皮
参考答案：D
B
She went back to China to study journalism at Peking University. She is also 45 ________________ a sports program about the 2008 Beijing Olympics. She even hopes to 46 _______________ table tennis in the special 47 _______________ for disabled people in 2008 .She tells people that she likes to think about positive things and stay optimistic. She believes that keeping busy helps her to stay 48 _______________.
敏感修复系列有哪些产品？
