第11题: [单项选择]How many Olympic employees and volunteers were at the 23rd Olympic Games A. 14,300. B. Approximately 103,000 C. More than 43,000. 参考答案:C 答案解析:[听力原文]8-9 The twenty-third Olympic Games, held in Los Angeles, were very much a contest of mi
第27题:[单选题]关于Seldinger技术的描述,哪项是正确的? A. 经皮穿刺进针—导入导丝—退出穿刺针—导入导管—退出导丝 B. 经皮穿刺进针—导入导管—导入导丝—退出穿刺针—退出导丝 C. 经皮穿刺进针—导入导丝—导入导管—退出穿刺针—退出导丝 D. 经皮穿刺进针—导入导丝—导入导管—退出导丝¬—退出穿刺针 E. 经皮穿刺进针—导入导管—退出穿刺针—导入导丝—退出导丝 参考答案:A
