第8题: [单项选择]女性，28岁。月经量多1年。近10日来经常鼻出血。脾肋下未及。血红蛋白90g/L，白细胞10×109/L，血小板30×109/L。骨髓检查：粒红细胞系增生旺盛，巨核细胞增多，伴有成熟障碍，应诊断为 A. 缺铁性贫血 B. 再生障碍性贫血 C. 特发性血小板减少性紫癜 D. 溶血性贫血 E. 急性白血病 参考答案:C 答案解析:[解析] 特发性血小板减少性紫癜常见临床表现为多部位的出血，血小板计数减少，骨髓检查巨核细胞数增多或正常，有成熟障碍，此病例均符合。缺铁性贫血粒红细胞系增生旺盛，但无巨核细胞改变；急性白血病巨核细胞减
A. learning is no longer the right of a select group of people B. very few people are illiterate C. exchange of knowledge is now universal D. special learning should not be left to a few people 参考答案:A 答案解析:根据原文第一段第一句we have long ceased to live in a world where education was the prerogative of the few and
