[单项选择]According to the passage, Bertrand Russell thought that ________.
A. people were overburdened with work B. work was virtuous C. working hours should be shortened while productivity should be increased D. people should idle away the working hours doing nothing
参考答案:A 答案解析:[解析]推理判断题。参照第一段第一句：I think there is far too much work done in the world and immense harm is caused b
第9题: [单项选择]洋地黄治疗的最佳指征是 A. 缩窄性心包炎伴肝大、腹水 B. 甲亢伴心动过速 C. 房颤伴心室率过快及心功能不全 D. 急性风湿热伴心动过速 E. 肺心病伴心功能不全 参考答案:C 答案解析:洋地黄的药理作用包括正性肌力作用、电生理作用(抑制心脏传导系统)、迷走神经兴奋作用。对于心腔扩大、舒张期容积明显增加的慢性充血性心力衰竭伴心房颤动效果最好；对于因代谢异常而发生的高排血量心衰效果欠佳；
