无氨水的制备通常包括()法和()法。
参考答案:离子交换;蒸馏
He was hoping to go abroad but his parents_________ that they won’t support him unless he can borrow money from the bank.
A.were deciding
B.decided
C.have decided
D.will decide
大量饮清水后,尿量增多主要是由于 ( )
A.循环血量增加,血压升高
B.醛固酮分泌减少
C.血浆胶体渗透压下降
D.血浆晶体渗透压下降
E.肾小球滤过率增加