第18题: [单项选择]过敏反应可表现为()。 A. 低热、短暂的一次性荨麻疹 B. 急性支气管哮喘 C. 顽固性的皮疹、过敏性休克 D. 以上都是 参考答案:D
第19题: [单项选择]有关甘露醇与呋塞米降低颅内压,不正确的是( ) A. 甘露醇降低颅内压作用并非来自利尿,而是渗量梯度之故 B. 甘露醇与呋塞米均不宜用于充血性心衰 C. 甘露醇降低颅内压作用时间2~4小时 D. 呋塞米只有与甘露醇合用才明显降低颅压 E. 用甘露醇后15分钟再给呋塞米,可使ICP下降更著 参考答案:B
第23题: [单项选择]We learn from the passage that the London & Blackwell railway A. now carries passengers to and from the docks, B. was a busy line a few years ago. C. used to employ many messengers and clerks. D. was not originally a steam railway. 参考答案:D
A. This storm took place earlier than that of before. B. Nearly hundreds of people died in the storm. C. The powerful wind could uproot trees. D. About three thousand homes were destroyed. 参考答案:B