在A+B→盐+水的反应中，A 、B分别是[ ]
A．硫酸和熟石灰
B．纯碱和熟石灰
C．小苏打和盐酸
D．熟石灰和氯化铵
答案：A
治疗轻、中度心源性水肿首选的利尿药是
A．布美他尼B．螺内酯C．阿米洛利D．乙酰唑胺E．氢氯噻嗪
The story is the same for many urban white-collar workers in China now: they’re putting in overtime to reduce the risk of being .
A．laid down
B．turned off
C．laid off
D．turned down
