第20题: [单项选择]How long has the man stayed in Beijing A. He is looking for his watch. B. He is looking for his glasses. C. He is looking for his coat. 参考答案:A 答案解析:[解析] 根据对话内容:“Where is my watch ”可以推断出他正在找手表。故本题答案为A。 [听力原文] M: Where is my watch Have you see
第30题: [单项选择]甲状腺危象主要原因为() A. 胰岛素绝对不足 B. 突然大量甲状腺素入血 C. 呼吸带烂苹果味 D. 甲状腺肿大震颤有杂音 E. 饥饿感,心慌手颤 参考答案:B 答案解析:1.突然大量甲状腺素入血是发生甲状腺危象的主要原因。 2.Ⅰ型糖尿病的病理变化:大多呈胰岛炎,胰岛数量和B细胞数大减,提示绝对性胰岛素缺乏。