丙谷胺（）
A.H1受体阻断药
B.H2受体阻断药
C.H+、K+-ATP酶抑制剂
D.M胆碱受体阻断药
E.胃泌素受体阻断药
参考答案：E
反映总肺泡通气量变化的最佳指标是（）。
A.潮气量
B.pH
C.肺泡和动脉氧分压之间差值（A-aDO2）
D.PaO2
E.PaCO2
32．—Mr Jack appears very charming in public, talkative, kind, generous, enthusiastic…
—Oh, enough! ___________, he is rather cold and rude to his family members.
A．In addition
B．As a result
C．On the contrary
D．Not really
