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
The man, ____ legs were badly hurt by a ______worker, was____to hospital at once.
A.whose; careless; taken
B.his; careless; sent
C.whose; carelessly; sent
D.his; carelessly; taken
天然水中一般不含(),()的含量也很少,故天然水中的碱度主要是由()的盐类所组成。