第25题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. The shortage of willing donors. B. The obtaining of moral approval. C. The complex technical procedure. D. The rejection from the immune system. 参考答案:B 答案解析:[听力原文] What is the biggest obstacle that stays in the way of facial transplantation [
第35题: [单项选择]属于乳腺癌高危人群的是() A. 喜吃素食 B. 25岁生育,并母乳喂养 C. 一级亲属有乳腺癌病史 D. 48岁绝经 E. 15岁月经初潮 参考答案:C 答案解析:乳腺癌的高危人群包括有乳腺癌家族史、月经初潮年龄早于12岁、绝经年龄晚于50岁、40岁以上未孕及初次足月产年龄迟于35岁、乳腺增生病史的女性,以及高脂饮食、肥胖等。