第21题: [单项选择]What is the focus of people’’s attentions today according to the passage A. designing better cars. B. Building more highways. C. Increasing people’’s awareness of traffic problems. D. Enhancing drivers’’ sense of responsibility. 参考答案:D
第27题: [单项选择]患者,男,28岁,6小时前暴饮暴食后出现上腹部绞痛,向肩背部放射,送到医院急诊,此时最具诊断意义的实验室检查为 A. 血清淀粉酶测定 B. 尿淀粉酶测定 C. 血钙测定 D. 血清脂肪酶测定 E. 血糖测定 参考答案:A 答案解析:从题干描述可推断患者可能患急性胰腺炎,需做血、尿淀粉酶以进一步确诊。因血清淀粉酶在发病6~12小时开始升高,而尿淀粉酶是发病12~24小时后才升高。该患者从发病开始到就诊为6小时,故最具诊断意义的实验