第1题: [单项选择]为使心房颤动转为窦性心律,首选 A. 洋地黄 B. 奎尼丁 C. 利多卡因 D. 普萘洛尔 参考答案:B 答案解析:[考点] 房颤的治疗 [解析] 房颤的治疗首选奎尼丁。奎尼丁为Na+通道阻滞剂,延长动作电位时间,主要作用于心房、心室和希-浦氏纤维。其中生理作用是:(1) 适度阻滞N
第18题: [单项选择]If a used lube oil analysis indicates an excessive chromate content, this means () A. air filtration is inadequate B. engine coolant leaking into the lube oil C. fuel oil is leaking into the lube oil D. the piston rings are excessively worn 参考答案:B
第28题: [单项选择]James: Hello. Could I speak to Jone, please Jone: ______. A. Yes, you could. B. Speaking. C. Who are you D. Speak, pleas 参考答案:B 答案解析:选项A、C、D都带有很明显的中文表达习惯的影响。