分馏塔一般温度上低下高,气相()露点,液相()泡点,气液两相都是()。
A.高于;高于;过热气体
B.低于;低于;过冷液体
C.处于;处于;饱和液体
参考答案:C
After studying in medical college for five years, Jane ______ her job as a doctor in the countryside.
A.took in
B.took over
C.took up
D.took away
男性45岁。诊断风湿性心脏病二尖瓣病5年。房颤半年,为纠正房颤来院。
首先做超声心动,目的是明确()
A.有否左心室大
B.有否主动脉瓣病变
C.有否附壁血栓
D.有否右心室大
E.有否肺动脉高压