第11题: [单项选择]Questions 23 to 25 are based on the conversation you have just heard. A. He can share his experience with the others. B. He can learn the knowledge from it. C. He can make the classes more creative. D. He enjoys seeing the improvement of the students. 参考答案:D 答案解析:[听力原文]23-25 W: Alex is an English teacher in Iran and today we’d like to share his experience as
第22题: [单项选择]一男性年轻人右大腿下端肿痛2个月余。X线片见股骨下端有境界不清的骨质破坏区,有放射状阴影,两端可见骨膜三角。最可能的诊断是() A. 骨髓炎 B. 骨结核 C. 骨肉瘤 D. 骨巨细胞瘤 E. 骨转移癌 参考答案:C 答案解析:成骨肉瘤是高度恶性的骨肿瘤,多见于年轻人,多发生于骨骺生长最活跃的部位,如股骨下端、胫骨或腓骨上端和肱骨上端。成骨肉瘤生长迅速,临床表现主要为疼痛,由间歇发作转为持续疼痛;关节功能障碍;局部皮肤发热,
第28题: [单项选择]()不属于对需求描述的精确性要求。 A. 能确认需求 B. 能验证需求的实现 C. 能估算需求的成本 D. 能评估需求变更的影响 参考答案:D 答案解析:能确认需求、能验证需求的实现属于对需求描述的精确性要求。“估算需求的成本”本身描述不是很清楚,如果是估算,就不属于精确性要求。但需求变更的影响很难精确地确定。所以建议答案是D。