肾小球人球动脉的球旁细胞分泌的是()
A.血管紧张素Ⅰ
B.血管紧张素Ⅱ
C.去甲肾上腺素
D.醛固酮
E.肾素
参考答案:E
By the time you come back, your aunt ______ for Nanjing to attend a meeting. [ ]
A. will leave
B. leaves
C. left
D. will have left
规范分析