第4题: [单项选择]休克时反映机体器官血流灌注最简单而可靠的指标是() A. 神态 B. 肢体温度 C. 血压 D. 脉搏 E. 尿量 参考答案:E 答案解析:尿量是反映肾灌注情况,也是反映机体器官灌流情况最佳的定量指标。尿量每小时小于25ml,比重增加者表明存在肾血管收缩和供血量不足。血压正常但尿量仍少且比重偏低者,提示有急性肾衰竭可能。当尿量稳定在每小时
第22题: [单项选择]Mercury (水银) is ______ all metal because it is liquid. A. more than difference B. most different in C. more difference of D. the most different of 参考答案:D 答案解析:这是最高级的一种表示方法。也可说成more different than the other metal或者the most different in all metal。
第24题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. Competition in business. B. Government grants. C. A type of economic policy. D. International transportation practices. 参考答案:C 答案解析:[听力原文]26-28
In the 18th century French economists protested the excessive regulation of business