第10题: [单项选择]诊断强直性脊柱炎最可靠的依据是 A. HLA-B27阳性 B. 驼背畸形 C. 脊柱"竹节样"改变 D. 双侧骶髂关节炎 E. 抗核抗体阳性 参考答案:C 答案解析:[解题思路] 脊柱"竹节样"改变是强直性脊柱炎的特征性X线表现。HLA-B27阳性、抗核抗体阳性亦可见于其他自身免疫性疾病。
第13题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. For the completion of required assignments. B. For passing given examinations. C. For the good of gaining knowledge. D. For the sake of high grades. 参考答案:C 答案解析:[听力原文]26-28
Many teachers believe that the responsibility for learning lies with the students. I