出血坏死性胰腺炎最常见的并发症
A．休克B．肾功能衰竭C．复发性腹膜炎D．肝功能衰竭E．感染
参考答案：A
A restaurant orders 150 kg of pumpkins from the farmer’s market. The farmer fills the order with 23 pumpkins. The average mass of the first 20 pumpkins is 6.5 kg. What must be the minimum average mass of the remaining 3 pumpkins to fill the order ？（）
A. 5.5 kg
B. 5.67 kg
C. 6.67 kg
D. 7 kg
E. 11.5 kg
异型麻疹主要见于接种过麻疹灭活或减毒活疫苗而再次感染麻疹的患者。()
