皮皮学，免费搜题
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【单选题】
与家族史有血液病 不包括A.
溶血性贫血
B.
凝血障碍
C.
地中海贫血
D.
缺铁性贫血
E.
血管性血友病
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【单选题】听力原文：M: I didn't expect to see you here. W: Francis was sick and asked me to work today instead. Q: What can be concluded from this conversation? (14)
A.
The woman is taking Francis'place at work.
B.
Francis and the woman are working together today.
C.
The woman is expecting to take today off.
D.
Francis asked if the woman was sick.
【简答题】1953年James watson和Francis Crick提出的______模型，标志着遗传学进入了分子遗传学时期。
【简答题】(1) Francis Watson was far from being ____(mere) a furniture expert.
【单选题】In ____, the double-helix structure of DNA was determined by James Watson and Francis Crick who published their discoveries in Nature.
A.
1943
B.
1948
C.
1953
D.
1958
【简答题】分支限界法按(1)策略搜索问题的解空间树。 填空(1)补充完整。
【简答题】计算机的发展阶段经历了 ( ) 、 ( ) ( ) 、 ( )四个阶段。
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