第20题: [单项选择]下列关于再生障碍性贫血的叙述错误的是 A. 全血细胞减少,慢性再生障碍性贫血的血红蛋白下降缓慢 B. 一般肝、脾淋巴结不肿大 C. 骨髓铁染色可见细胞内铁增加,细胞外铁减少 D. 慢性再生障碍性贫血的骨髓象可有散在增生灶 E. 急性再生障碍性贫血常伴发严重出血,而且出血部位广泛 参考答案:C 答案解析:[解析] 本题要点是再生障碍性贫血的实验室诊断。再生障碍性贫血是骨髓造血功能衰竭所导致的一种全血减少综合征,主要症状为贫血、出血和反复感染,无肝脾或淋巴结肿大。其贫血多表现为大细胞正色素性贫血,伴有有
第34题: [填空题]Although many countries have placed bully problems on formal agendas, some suggestions about handling and prevention still seem ______. 参考答案:ill-conceived or even counterproductive 答案解析:参见J段第1、2句“As bully/victim problems ... placed on formal school agendas, a number of suggestions... S