肺功能检查内容包括（）。
A.肺通气
B.呼吸动度
C.肺容积
D.肺的血流
E.肺换气
参考答案：A, B, C, D, E
27. Little Anna's parents walked slowly, one after________, through the shallow water of a stream to search for her lost bag.
A. the other B_ another C. other D. Others
旋流器入料压力对分选效果有何影响？
