第7题: [单项选择]Charles thought his hands ______. A. would not prevent him from lifting the body B. would carry out his plan C. were more badly burnt than he had thought D. might be too badly burnt to use 参考答案:D 答案解析:[分析] 本题为细节理解题。从文章第一段最后两个句子Charles told himself that it was his hands that were the trouble.可以看出:他的手被
第16题: [单项选择]男性,68岁。左下肢麻木跛行1个月,查体脾轻度肿大。血常规:HGB120g/L,WBC10×109/L,PLT1200×109/L。血片见血小板聚集成堆,NAP(+),出血时间延长。骨髓增生活跃,巨核细胞增生为主。该患者诊断可能是() A. 急性白血病 B. 淋巴瘤 C. 继发性血小板增多症 D. 慢性粒细胞白血病 E. 原发性血小板增多症 参考答案:E
第28题: [单项选择]与Ⅱ型过敏反应发病机制相关的自身免疫病是() A. 系统性红斑狼疮 B. 重症肌无力 C. 特发性Addison病 D. 1型糖尿病 E. 桥本甲状腺炎 参考答案:B 答案解析:Ⅱ型过敏反应自身组织损伤的机制是自身抗体介导的组织损伤,重症肌无力患者体内存在抗乙酰胆碱受体的自身抗体,该抗体可竞争性抑制乙酰胆碱与受体结合,促使受体内化、降解,而降低骨骼肌细胞对运动神经元所释放乙酰