脾虚湿困、上犯耳窍型脓耳，多有
A．脓稠黄B．脓稠白C．脓稠绿D．脓清稀E．脓污秽或成块
参考答案：D
下列离子方程式正确的是
A．向氯化铝溶液中加入过量氨水：Al3+＋4OH－＝AlO2—＋2H2O
B．金属钠与水反应： Na+H2O=Na++OH-+ H2↑
C．Ba(OH)2溶液中滴加少量NH4HCO3溶液：NH4＋＋HCO3－＋2OH－＋Ba2+＝NH3·H2O＋H2O＋BaCO3↓
D．用铁棒作阴极、炭棒作阳极电解饱和氯化钠溶液：2C1-+2H2O H2↑+Cl2↑+2OH-
—Did you call Sara back?
—I didn’t need to, _____ we’ll have a meeting together tonight.
A．though
B．unless
C．because
D．if
H2↑+Cl2↑+2OH-