第10题: [单项选择]骨肉瘤患者的年龄多在()。 A. 10岁以下 B. 10~20岁 C. 30~40岁 D. 40岁以上 E. 20~30岁 参考答案:B 答案解析:骨肉瘤是原发性骨肿瘤中最多见、恶性程度很高的肿瘤,好发于10~20岁青少年。骨内生长的肿瘤可刺激骨膜出现骨膜反应,若骨膜被肿瘤掀起,在骨膜下产生三角形新骨,称为Codman三角,多见于骨肉瘤。
第25题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. The area covered by the course. B. The practice orientation of the course. C. Teachers’ attitude to both teaching and the students. D. Teachers’ flexibility in teaching. 参考答案:B 答案解析:[听力原文] What did the woman like most about the course she learned