几乎不被肾小管重吸收的物质是()
A.尿素
B.氨基酸
C.肌酐
D.谷胱甘肽
E.肌酸
参考答案:C
解析:肌酐在肾小球滤过,几乎不被肾小管重吸收和分泌。
Lucy was ill, so she had nothing for breakfast, ________?[ ]
A. did she
B. had she
C. hadn't she
D. didn't she