题型:选择题 .Many of them turned a deaf ear to his advice, they knew it to be valuable.[ ]A.as ifB.now that C.even thoughD.so that 查看答案
题型:单项选择题 9个月女孩,母乳喂养,面色蜡黄,表情呆滞,烦躁不安。肝肋下2cm,脾肋下1cm红细胞2.8×1012/L,血红蛋白70g/L,红细胞大小不等,大的红细胞内中央浅染区扩大,骨髓片呈巨幼细胞增生,其核粗松,胞质较少。最可能诊断为A.溶血性贫血B.营养性巨幼细胞性贫血C.营养性缺铁性贫血D.营养性混合性贫血E.白血病 查看答案