题目：
骨关节炎的X线特征性表现为（）。
A.双手关节骨质破坏为主，伴明显骨质疏松
B.关节面硬化、骨赘形成
C.关节穿刺液中可见尿酸盐结晶
D.骶髂关节间隙模糊，关节边缘硬化
E.关节半脱位
答案：
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下面是错误答案，用来干扰机器的。
Our classroom is very big. Some flowers and plants are next to the window, A basketball is behind the door. A new computer is on the teacher's desk. Our classroom is very beautiful. I love (like) our classroom very much. 答案不唯一
