原发性肝癌主要应鉴别的疾病是（）
A.肝硬化
B.慢性肝炎
C.肝内胆管结石
D.多囊肝
E.肝肉瘤
参考答案：A
T-ALL均可表达的是（）
A.CD19
B.CD7
C.HLA-DR
D.CD33
E.TｄT
I want to know __________. [ ]
A. where does our teacher come from
B. where our teacher come from
C. where our teacher comes from
D. where does our teacher come
