【判断题】It’s OK to write on someone’s business card.
【单选题】肺心病呼吸衰竭最确切的诊断依据是
D.
PaO2<60mmg,PaCO2>50mmHg
【简答题】PowerPoint2007包含三种母版版式,它们是____、讲义母版和备注母版。
【简答题】Re-write these expressions from informal correspondence into formal expressions using the words provided in bold. Change the form of the words if necessary. For example: Just to say I want an intervie...
【单选题】肺心病呼吸衰竭最确切的诊断依据是
D.
PaC02>50mmHg,Pa02<60mmHg