能使声带变短和松弛的肌肉是 ["A．环甲肌","B．甲杓肌","C．杓间肌","D．环杓后肌","E．环杓侧肌"]
枯痔散疗法的作用机理是（） ["A.湿性坏死疗法","B.干性坏死疗法","C.硬化萎缩疗法","D.插药疗法","E.以上均非"]
习惯用高声调语言者常致 ["A．说话易疲劳","B．音质不佳，鼻音重","C．说话后常觉喉部不适微痛","D．易发生声带小节","E．以上都是"]
发声时声带最先靠拢的部位是 ["A．杓间隙","B．声带中部","C．声带最前部","D．声带后部","E．以上都不是"]
喉部发出的声音是 ["A．语言","B．原声","C．基音","D．共鸣音","E．气源音"]
计算题：银行向企业发放一笔贷款，额度为2000万元，期限为5年，年利率为?％，试用单利和复利两种方式计算银行应得的本利和。(保留两位小数)
