噻唑嗪酮的药理作用：
A．减少水钠潴留B．逆转左室肥厚C．二者均可D．二者均不可
参考答案：D
I have been studying computer for years and I still ___.
A．have
B．do
C．have been
D．am
耻骨上方叩诊浊音多见于哪些情况？
