粪便中同时出现红细胞、白细胞和吞噬细胞，最可能的诊断是（）
A.阿米巴痢疾
B.急性细菌性痢疾
C.十二指肠炎
D.结肠炎
E.消化道溃疡
参考答案：B
— You mean the position is still vacant?
— Yes, but you must know our job is very demanding.
— _____.[ ]
A. With pleasure
B. I don't mind
C. Don't mention it
D. That's all right
左心衰竭（）
A.夜间阵发性呼吸困难
B.发作性呼气性呼吸困难
C.慢性进行性呼吸困难
D.吸气性呼吸困难
E.急性呼吸困难伴胸痛
