第3题: [单项选择]A. John had given up his old job before he went to Canada. B. John’s old job has been taken over by someone else. C. John doesn’t want to go back to his old job. D. John has taken his old job back. 参考答案:A 答案解析:[解析] M: What’s John going to do now Didn’t he quit his job before he went to Canada
第5题: [单项选择]引气剂和引气减水剂不宜用于()。 A. 预应力混凝土 B. 抗冻混凝土 C. 轻集料混凝土 D. 防渗混凝土 参考答案:A
第6题: [单项选择]王某,自感心慌,头晕就医,门诊医生听诊心率为64/分,脉搏为52/分,而且心律不规则,心率快慢不一,心音强弱不等给该病人测量脉搏时下列哪项不正确 A. 常用桡动脉 B. 不用拇指诊脉 C. 测量时间30秒 D. 剧烈活动休息 E. 一名护士测心率,一名护士测脉率 参考答案:C 答案解析:该病人是绌脉(脉搏短绌):即在同一单位时间内脉率少于心率。绌脉由两名护士同时测量,一人听心率,另一人测脉率。由听者发“始”“停”的口令,计数1分钟,记录方式:心率/脉率/分。