对液体治疗具有指导意义的监测项目为()
A.CVP、PCWP
B.CVP、PAP
C.PCWP、MAP
D.PAP、MAP
E.ECG、CVP
参考答案:A
肺炎胸痛放射到上腹部时病变常累及()
A.患侧肺的下叶
B.肋胸膜
C.脏层胸膜
D.膈胸膜
E.纵隔胸膜
So difficult _____ it to adjust to an English-speaking environment that he determined to learn English hard.
A.he has felt
B.has he felt
C.he did feel
D.did he feel