下列哪些病是由脾的统血功能失常引起()
A.痛经
B.崩漏
C.经期延长
D.胎漏
E.产后恶露不绝
参考答案:B, C, D, E
The first time I saw her, Mary was standing still in the wind, her long hair _____in the air.
A.is flying
B.flying
C.to fly
D.flew
裂解炉温度对烃的转化率有何影响,为什么说提高裂解温度更有利于一次反应和二次反应的竞争?