胸腔积液中葡萄糖含量仅0.5mmol/L,可由以下哪种疾病引起()
A.肝硬化
B.心力衰竭
C.癌性胸腔积液
D.结核性胸膜炎
E.化脓性胸膜炎
参考答案:E
相邻两信令点间的所有信令链路都有统一的编码,这个编码称为().
A.CIC
C.SLC
B.SLS
D.LKSET
Which is more useful, English or Chinese?
A. each of B. none of C. both of