螺内酯的利尿机制是
A.近曲小管B.远曲小管始端C.髓襻降支粗段髓质部和皮质部D.髓襻升支粗段皮质部和髓质部E.远曲小管末端和集合管腔膜
参考答案:C
Let's play football together, __________?[ ]
A. has he
B. will you
C. shall we
D. is he