题目: 钳刮术时预防羊水栓塞的措施有()A.术时宫内尚有羊水即夹取胎盘B.术前无须扩张宫颈C.要在人工破膜放尽羊水再用缩宫素D.应预防性应用宫缩剂及抗DIC药物E.术时操作谨慎小心 答案: 参考答案:C
题型:选择题 Of the two coats, I’d choose the __________ one to spare some money for a book. A.cheapestB.cheaperC.more expensiveD.most expensive 查看答案