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【单选题】
女性患者，急性起病，呈进行性加重，表现面色苍白，乏力，明显气短，常发热，T39℃，易感冒，可见皮肤出血点。血象检查呈重度全血细胞减少，为重度正细胞低色素性贫血，白细胞<2×10 9 /L，骨髓象呈增生重度减低。该患者应鉴别的疾病为（）A.
缺铁性贫血
B.
巨幼细胞性贫血
C.
Fanconi贫血
D.
海洋性贫血
E.
溶血性贫血
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【简答题】如何增强国家文化软实力?
【单选题】According to the passage, which of the following is CORRECT?
A.
One can't conquer the Channel before 18-year-old or after 60-year-old age.
B.
In 1978, Penny Lee Dean set a record of 21 hours and 45 minutes in the Channel swimming.
C.
It was Philip Lee Dean who successfully completed the only triple crossing.
D.
The swimmer who has successfully made a double crossing on five separate occasions is from Canada.
【简答题】Suppose you turn on your TV set and see a show in black and white. Do you switch the channel although you don't want to watch some 'old' movie S1.______ or program? Television broadcasters believe tha...
【简答题】函数 为奇函数， 为偶函数（定义域均为R）若 时： ，则 _________.
【单选题】Fairy stories are a means by which children's impulses may be ______.
A.
beneficially channeled
B.
given a destructive tendency
C.
held back until maturity
D.
effectively suppressed
【简答题】设函数 是定义域R上的奇函数，且当 时， 则当 时， ____________________
【简答题】函数 的定义域为R，则 m 的取值范围是____________．
【简答题】若函数 定义域为R，则 的取值范围是________．
【简答题】Communication has ten elements: context, sender,__________(编码), message, channe, receiver,__________(解码),response,___________(反馈) and noise.
【简答题】若函数 的定义域是R，求m的取值范围。
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