皮皮学，免费搜题
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搜题
【单选题】
关于缺铁性贫血患儿输血治疗，以下哪项是错误的（）A.
一般病例不需输血
B.
重症贫血并发心功能不明显感染者可输浓缩红细胞
C.
贫血愈重，一次输血量大，速度快，以尽快改善贫血状态
D.
极重度贫血患儿可用浓缩红细胞换血
E.
Hb<30g /L者，每次输血5～10ml/kg
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【简答题】1) When did the United States become an industrial nation?
【简答题】When did the United States become an industrial nation?
【单选题】When did the United States Weather Bureau begin to use box kites?
A.
In 1752.
B.
In 1898.
C.
In 1903.
D.
In 1933.
【单选题】When did the United States become the strongest power in the western world?
A.
Before WWI
B.
During WWI
C.
Before WWII
D.
During WWII
【单选题】When did the United States of America first become a nation?
A.
1786
B.
1976
C.
1776
D.
1881
E.
1781