第21题: [单项选择][A] In Canada. [B] In China. [C] In America. 参考答案:C 答案解析:[听力原文] W: Where have you been these years M: I went to Canada with my family three years ago.
第38题: [单项选择]与动物腹压无关的疝为() A. 脐疝 B. 脑疝 C. 会阴疝 D. 腹壁疝 E. 腹股沟阴囊疝 参考答案:B 答案解析:疝,概述疝:是腹部的内脏从自然孔道或病理破裂孔脱至皮下或其他解剖腔的一种常见病。临床常见的疝有脐疝、腹股沟阴囊疝、腹壁疝、会阴疝、闭孔疝和网膜内疝。引起疝的常见病因如某些解剖孔(脐孔、腹股沟环等)的扩