急性白血病引起贫血,最主要的原因是:()
A.红细胞寿命缩短
B.出血
C.造血原料缺乏
D.幼稚红细胞的代谢受到白血病细胞异常增生的干扰
E.无效性红细胞生成
参考答案:D
Tom took a taxi to the airport, only _____ his plane high up in the sky.
A.finding
B.to find
C.being found
D.to have found
肱骨穿胸侧位,适用的病变是()
A.肱骨骨折
B.肱骨骨疣
C.肱骨骨髓炎
D.肱骨成骨肉瘤
E.肱骨外科颈骨折