Though inland waterways were important transportation system, they were soon replaced by the more convenient railroads. 参考答案:对 答案解析:[分析] 推理判断题。
根据原文Politically the waterway system united the nation in a way few had imagined poss
第18题: [单项选择]贫血患者HGB50g/L,WBC4.8×109/L,PLT120×109/L,网织红细胞2%,红细胞平均体积76fl,平均血红蛋白浓度(MCHC)0.24,血清铁蛋白7.8μg/L,最可能的诊断是() A. 甲状腺功能减退所致贫血 B. 再生障碍性贫血 C. 溶血性贫血 D. 缺铁性贫血 E. 巨幼细胞贫血 参考答案:D