诊断成年女性贫血的标准为血红蛋白浓度低于（）
A.140g/L
B.130g/L
C.120g/L
D.110g/L
E.100g/L
参考答案：D
I'm interested in a one-bed room. Do you have any _____? [ ]
A. convenient
B. available
C. possible
D. personal
下述哪项检查对癌性胸腔积液的诊断有帮助（）
A.CEA
B.ADA
C.ACE
D.LDH
E.APK
