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患者，女性，20岁，头昏、乏力，两下肢有散在淤斑，肝、脾未触及。血红蛋白45g/L，红细胞计数1.06×1012/L，白细胞计数2×109/L，中性30%，淋巴70%，血小板计数25×1012/L，骨髓增生低下，巨核细胞未见，可能诊断是( )

A. 粒细胞减少症
B. 再生障碍性贫血
C. 恶性贫血
D. 白细胞不增加性白血病
E. 缺铁性贫血

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考查下列文法：G(VT,VN,E，P)其中：VT=+，，(，)，i)VN=E，T，FE 是开始符号P： E→E+T｜TT→TF｜FF→(E)｜IF*F+T是该文法的一个句型，其中， (28) 是句柄， (29) 是素短语 (30) 是该句型的直接推导， (31) 是该句型的最左推导， (32) 是该文法的一个句子。（28）处填（）。

A. F
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D. F*F+，T

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A. In a kitchen.
B. In room 204.
C. In a garden.
D. In a hotel.

Questions 9 to 11 are based on the conservation you have just heard.

A. 500 euros.
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(66) method is the use of a data processing system to represent selected behavioral (67) of a physical or abstract system. For example, the representation of air streams around airfoils at various velocities, temperatures, and air pressures with such a system.Emulation method is slightly different, it uses a data processing system to imitate another data processing system, so that the imitating system accepts the same data, executes the same programs, and achieves the same (68) as the imitated system. Emulation is usually achieved (69) hardware or firmware. In a network, for example, microcomputers might emulate terminals (70) communicate with mainframe. （67）处填（）。

A. qualification
B. characteristics
C. specialities
D. properties