皮皮学，免费搜题
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搜题
【单选题】
急性白血病贫血的主要原因为A.
红细胞生成减少
B.
红细胞寿命缩短
C.
出血致细胞丢失过多
D.
促红细胞生成素减少
E.
铁摄入不足或吸收不良
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】制药厂尤其是化学制药厂在生产过程中大多具有腐蚀性,设备需要定期 或 。
【判断题】To other Europeans, the best known quality of the British, and in particular of the English, is hospitality.
A.
正确
B.
错误
【多选题】To other Europeans, the best known qualities of the British are_____ .
A.
reserve
B.
modesty
C.
sense of humor
D.
sportsmanship
【判断题】To other Europeans, the best known characteristics of the British, and in particular of the English, are exclusive, reserved, well-behaved and conservative.
A.
正确
B.
错误
【单选题】To other Europeans, the best known quality of the British, and in particular of the English, is .
A.
reserve
B.
modesty
C.
sense of humor
D.
sportsmanship
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