第2题: [单项选择]男性,46岁。四肢麻木无力2年。2年前无诱因出现颈背部酸痛不适,伴双手麻木无力。半年后出现双手麻木逐渐向双上臂、双下肢发展,伴四肢无力。查体:C平面以下皮肤痛、温觉减退。四肢肌容积正常,四肢肌力4级,肌张力增高,双侧肱二、三头肌反射,膝、跟腱反射均亢进,双侧巴氏征阳性。提示:结合病史、体征。病变定位于() A. 中央前回 B. 中央后回 C. 颈髓 D. 旁中央小叶 E. 内囊 F. 脑干 参考答案:C 答案解析:诊断依据:①中年男性。②四肢麻木无力2年。③查体:C5平面以下皮肤痛,温觉减退。四肢肌容积正常,四肢肌力4级,四肢肌张力增高,双侧肱二、三头肌反射,膝跳、跟腱反射均亢进,双侧巴氏征阳性。
A. they were lonely and isolated B. the reasons for their problems were still there C. they were being prescribed certain drugs D. they were referred to mental-health professionals 参考答案:B 答案解析:[解析] 事实细节题。从题干来看,题干是给出结果,要找出相关原因。此题可采取寻读的方法,找到原文相关出处。原文第二段最后一句用连词since明确给出原因the underlying causes re
第27题: [单项选择]What does the man mean A. There’s no problem. B. He never lends money. C. He doesn’t understand. 参考答案:A 答案解析:[听力原文] W: If I don’t get some money from my parents by Friday, could I borrow some from you M