第9题: [单项选择]隐匿性旁路是指() A. QRS起始部无预激波 B. PR间期<0.12秒 C. 房室旁路仅有前向传导功能 D. 房室旁路仅有逆向传导功能 E. 既可前向传导,又可逆向传导 参考答案:D
第10题: [单项选择]All the essential services on which we depend are ______. A. run by the Government or our local authorities B. in constant need of financial support C. unable to provide for the needs of the population D. financed wholly by rates and taxes 参考答案:B 答案解析:[试题分析] 事实归纳题,通过理解原文即可推理得知答案。
[详细解答] 见文章第三段特别是最后一句话,The government,local authorities,and nationalize