第18题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. To organize activities for children. B. To sell local farm products. C. To bring tourists to the town. D. To raise fund for the hospital. 参考答案:D 答案解析:[听力原文]22-25 W: Are you going to the fair next Saturday M: What fair W: The annual fair th
第19题: [单项选择]口对口做人工呼吸的操作中,下列哪一项是错误的 A. 头极度后仰,托起下颌 B. 吹气要看到胸廓抬起 C. 吹气不少于20次/分 D. 吹气时向后压环状软骨 E. 吹气时捏鼻孔 参考答案:C 答案解析:[解析] 口对口人工呼吸时,将患者置于仰卧位,操作者一手将患者下颌向上后方钩起,使其头部向后仰,使呼吸道通畅;另一手将患者鼻孔捏闭,然后吹气.每分钟约12次。