肝性脑病不宜用何种灌肠液灌肠（）
A.生理盐水
B.白醋
C.肥皂水
D.温开水
E.陈醋
参考答案：C
坐位前倾时，可使杂音更明显的是（）
A.肺动脉瓣狭窄
B.主动脉瓣关闭不全
C.主动脉瓣狭窄
D.二尖瓣狭窄
E.二尖瓣关闭不全
He was so____ a key university that he would work until late into the night.
A．curious about
B．anxious about
C．desperate for
D．concerned about
