Questions 16 to 18 are based on the passage you have just heard.
A. Some students showed an increased blood pressure.
B. It proved music can help soothe the patients.
C. Some students showed a bad concentration
D. It proved music can have a negative effect on our emotions.
患者，女性，25岁。自然分娩1周，突然大量阴道流血，检查发现子宫大而软，宫口松弛，阴道及宫口有血块堵塞，正确的处理措施是
A. 子宫切除
B. 行刮宫术，刮出物送病理检查以明确诊断
C. 开腹探查
D. 左侧卧位、吸氧
E. 子宫动脉结扎
Questions 19 to 21 are based on the passage you have just heard.
A. Trucks took all the new business.
B. The rail industry didn"t have strict regulations.
C. The damage to products by freight trains was serious.
D. Companies reduced their lines greatly.
下列哪一项不是I型超敏反应的特点
A. IgE介导
B. 发生速度快
C. 有明显个体差异
D. 引起功能紊乱
E. 造成组织损伤
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