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问题 单项选择题

患儿女，8岁，1年来反复发生两下肢瘀斑。血红蛋白130g/L，红细胞4.0×1012/L，血小板计数50×109/L，既往身体健康，初步诊断“慢性原发性血小板减少性紫癜”

该患儿治疗首选

A．血浆置换

B．脾切除

C．糖皮质激素

D．大剂量丙种球蛋白

E．醛固酮

答案

参考答案：C

单项选择题 A1/A2型题

对感染危险指数高的患者，应采取（）

A.传染性隔离

B.保护性隔离

C.全部去污染

D.使用广谱抗生素

E.降低正常菌群抗定植能力
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单项选择题

Rapid advances in computer and communication technologies have resulted in the (58) merger of these two fields. The lines have bluned among computing, switching, and digital transmission equipment, and the same digital techniques are being used for data, voice, and image transmission. Merging and evolving technologies, coupled with increasing demands for efficient and timely collection, processing, and (59) of information, are leading to the development of (60) that transmit and process all types of data. The ultimate goal of this evolution is something its proponents-some of the most powerful forces in the computing and telecommunications industries-call the (61) .The (61) will be a worldwide public telecommunications network that will deliver a wide variety of services. The (61) will be defined by the standardization of user interfaces, and will be implemented as a set of digital switches and paths supporting a broad range of traffic types and providing (62) processing services. Inpractice, there will be multiple networks, implemented within national boundaries, but from the user’s point of view there will be a single, uniformly accessible worldwide network.

and will be implemented as a set of digital switches and paths supporting a broad range of traffic types and providing () processing services.

A．accessible

B．special

C．data

D．value-added
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