第10题: [单项选择]可直接导致意识障碍的心律失常是 A. 房性早搏 B. 室性早搏 C. 心室颤动 D. 右束支阻滞 E. 窦性心动过速 参考答案:C 答案解析:意识障碍是中枢神经系统受损的结果,其病因除中枢神经系统本身的疾患外.全身l生原因包括代谢性脑病(低血糖、糖尿病高渗昏迷、安眠药中毒等)和缺血缺氧性脑病(心律失常、急性大量失血、休克、窒息、中毒、麻醉和
第24题: [单项选择]Guest: I'd like a room with an ocean view, please. Clerk: I'm sorry. ______. A. Those rooms are all ordered B. Those rooms are all taken C. Those rooms are all owned D. Those rooms are all held 参考答案:B 答案解析:[注释] 本对话中要表达的意思是:临海的客房都已住满。符合这个意思的正确表达只有B.Those rooms are all taken.