轻度慢性阻塞性肺疾病患者,肺功能检查不可能出现的结果是().
A.常规肺功能正常
B.闭合容积增加
C.VC%<70%
D.动态肺顺应性下降
E.肺活量明显减少
参考答案:E
—What's the time?
—_____ half past nine. [ ]
A. Its
B. It's
C. This is
D. They're
变态心理学注重心理异常的()
A.诊断
B.发作
C.成因
D.治疗