强直性脊柱炎骶髂关节X线Ⅲ级表现有()
A.微小的关节面破坏
B.关节边缘模糊
C.关节间隙变窄
D.明确的囊性变
E.关节两侧硬化,密度增高
参考答案:B, C, E
食管癌最多见的病理类型为
A.腺癌
B.浸润癌
C.未分化癌
D.原位癌
E.鳞状细胞癌
— There _____ a lot of meat on the plate. Would you like some?
— Just _____, please.[ ]
A. is; a little
B. is; little
C. are; a few
D. are; few