无论服中药或西药避免用什么水送服:()
A、茶、饮料
B、白开水
C、温开水
D、糖水
参考答案:A
Most of the big hotels were full at this time of the year, but finally we _____ find a room in one of those
small guesthouses near the station. [ ]
A. ought to
B. could
C. were able to
D. might
向某密闭容器中充入1 mol CO和2 mol H2O(g),发生反应:。当反应达到平衡时,CO的体积分数为x。若维持容器的体积和温度不变,起始物质按下列四种配比充入该容器中,达到平衡时CO的体积分数大于x的是( )
A.0.5 mol CO+2 mol H2O(g)+1 mol CO2+1 mol H2
B.1 mol CO+1 mol H2O(g)+1 mol CO2+1 mol H2
C.0.5 mol CO+1.5 mol H2O(g)+0.4 mol CO2+0.4 mol H2
D.0.5 mol CO+1.5 mol H2O(g)+0.5 mol CO2+0.5 mol H2