第3题: [单项选择]地中海性贫血患者常出现哪种类型贫血() A. 小细胞低色素性贫血 B. 正细胞性贫血 C. 大细胞性贫血 D. 遗传性红细胞膜缺陷性贫血 E. 获得性血细胞膜糖化肌醇磷脂(GPI)锚链膜蛋白异常性贫血 参考答案:A 答案解析:按红细胞形态分类:(1)大细胞性贫血:MCV>100fl,MCHC32%~35%,此类贫血大多为正色素,多见于巨幼红细胞性贫血、骨髓增生异常综合征、肝疾病等。(2)正细胞性贫血:MCV80~100fl
第20题: [填空题]How do Americans think about flying They think flying is much more ______. 参考答案:convenient and fast 答案解析:[听力原文] How do Americans think about flying 由“And what is more,Americans think flying is much m