仪器接地为避免触电，接地电阻应小于等于（）。 ["4欧","5欧","7欧","8欧","10欧"]
低频探头的特点是（） ["波长长和穿透力较大","波长短和穿透力较大","波长短和穿透力较弱","波长长和穿透力较弱","较差的分辨力和较差的穿透力"]
日常生活行为的获得多来自（） ["无意模仿","有意模仿","故意模仿","强迫模仿","自觉模仿"]
肾损伤早期手术治疗的适应证是（） ["血压升高","血尿加重","B超提示肾包膜下血肿","腹部肌紧张和压痛，伴有高热","腰部包块持续增大，疼痛加重"]
人类适应行为的形成基础是（） ["应对","应激","反馈","反射","调试"]
下列关于子宫内膜癌的分期为宫颈受累癌侵犯至子宫浆膜表面
