强直性脊柱炎的关节X线片可显示（）
A.骨端骨质疏松
B.关节边缘骨质增生
C.局限性骨质疏松，关节旁偏心性、虫蚀状骨质缺损
D.关节边缘骨侵蚀，骨质溶解增生，间隙狭窄及铅笔套样改变
E.椎体方型变，椎体前缘软组织骨化呈竹节样改变
参考答案：E
解析：强直性脊柱炎的关节X线片除骶髂关节改变外，脊柱椎体可因前缘凹面消失而形成方变，后期可因棘上韧带骨化和椎间盘钙化而形成竹节样改变。
My pen friend is a kind and friendly girl. She is in England. Her is Connie. I meet Connie the Internet, and we are both twelve years . First, I a letter to her and introduce(介绍) my hobbies, my school and my daily life. A few days later, I get Connie’s . She me a lot about herself. I learn that she loves languages, sports and films. She likes China and Chinese food very much. She tells me something about England, too. Connie is good at English, French（法语）and Spanish（西班牙语）, so I ask her to me a little. Connie wants to learn some , but it’s very difficult for her. From Connie, I know about the world outside. I would like to go to England to Connie some day.
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