第8题: [单项选择]My name is Bill Smith. I am a teacher at a school. I get up at a quarter past six. After breakfast, I go to school. I have two classes in the morning and one in the afternoon. I don’t go home at noon(中午).I get up at 5:45. [A] True [B] False 参考答案:B 答案解析:a quarter past six “6点一刻”
第28题: [单项选择]关于腱反射的叙述,正确的是 A. 属于紧张性牵张反射 B. 感受器是腱器官 C. 是多突触反射 D. 高位中枢病变时反射亢进 参考答案:D 答案解析:牵张反射是指骨骼肌受到外力牵拉时引起受牵拉的同一肌肉收缩的反射活动,包括腱反射和肌紧张。腱反射是指快速牵拉肌腱发生的牵张反射,是一种位相性牵张反射。肌紧张属于紧张性牵张反射。腱反射和肌紧张的感受器都是