第23题: [单项选择]患者女性,23岁。1年前行刮宫术后月经再未来潮,为() A. 原发性闭经 B. 继发性闭经 C. 子宫内膜异位症 D. 围绝经期综合征 E. 排卵性功血 参考答案:B 答案解析:1.患者为育龄妇女,发病时间为分娩后,此种生理因素可使下丘脑-垂体-卵巢轴功能紊乱,导致黄体功能不足。表现为月经周期的缩短,因此符合排卵性功血的表现。2.因行刮宫术后发生闭经,因此符合继发性闭经的诊断
第30题: [单项选择]Passage Three Questions 32 to 35 are based on the passage you have just heard. A. School administrative meeting. B. Students representative meetings. C. Meetings of the board. D. Through a weekly meeting consists of all the pupils and staffs. 参考答案:D 答案解析:[听力原文] How are the school policy and roles made