下列各组气体中，均能用氢氧化钠干燥的是 [ ]
A．H2、O2、SO2
B．H2、O2、CO2
C．H2、O2、CO
D．H2、HCl、CO
答案：C
— I’m sorry. That advice wasn’t of much .
— Oh, sure it was. As a matter of fact, it was most .
A．help; helpful
B．useful; use
C．helpful; helpless
D．useless; useful
下列不属于抗精神分裂症药物的是
A．氯丙嗪
B．奋乃静
C．氟奋乃静
D．硫利达嗪
E．5-氟脲嘧啶
