第2题: [单项选择]Questions 22 to 25 are based on the passage you have just heard. A. Because the horse and wagon were slow. B. Because the trains were too fast. C. Because some towns were far away. D. Because the communities didn’t like it. 参考答案:C 答案解析:[解析] Q: Why were "star routes" started by the post office
第30题: [多项选择]变形缝的防水构造处理应符合下列要求:() A. 变形缝的泛水高度不应小于250mm B. 防水层应铺贴到变形缝两侧砌体的上部 C. 变形缝内应填充聚苯乙烯泡沫塑料,上部填放衬垫材料,并用卷材封盖 D. 变形缝顶部应加扣混凝土或金属盖板,混凝土盖板的接缝应用密封材料嵌填 参考答案:A, B, C, D
第32题: [单项选择]者,女,19岁。反复发作呼吸困难、胸闷、咳嗽2年,每年秋、冬季发作,可自行缓解,此次已发作半天症状仍继续加重而来就诊。体检:双肺满布哮鸣音,心率90次/分,律齐,无杂音。该患者的治疗应选用的药物为() A. β受体激动剂 B. β受体阻滞剂 C. α受体激动剂 D. α受体阻滞剂 E. 抗生素类药物 参考答案:A 答案解析:考虑患者为哮喘急性发作期重度。支气管哮喘急性发作期重度至危重度的治疗:①糖皮质激素是治疗重症哮喘的有力措施。一般用琥珀酸氢化可的松或用甲基强的松龙分次静脉滴注;②平喘药物:重症哮喘吸入和口服药物疗效很