第4题: [单项选择]男，65岁咳嗽、痰中带血丝3个月。近来出现腰骶部疼痛，胸部平片及CT显示：左上肺有一软组织肿块影，腰1及腰3椎体、椎弓根多发骨质破坏，最可能的诊断是（） A. 肺癌并腰椎转移 B. 肺结核并腰椎结核 C. 肺脓肿并化脓性脊椎炎 D. 肺癌并腰椎结核 E. 金黄色葡萄球菌感染 参考答案:A 答案解析:咳嗽、痰中带血为肺癌的重要的临床表现，短期内出现腰骶部疼痛，腰椎多发骨质破环，胸片及CT发现原发病灶，要考虑癌转移。
第8题: [单项选择]Not until 1959（）this compound. A. that chemists succeeded in obtaining B. did chemists succeed to obtain C. chemists succeeded in obtaining D. did chemists succeed in obtaining 参考答案:D 答案解析:
第12题: [单项选择]When do children start school in the man’s country A. At seven. B. At six. C. At five. 参考答案:C 答案解析:[听力原文] 10-12 W: At what age do children start school in your country M: At five. How about in
