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问题 单项选择题 A3型题

6岁，女孩。尿色红3天入院，颜面眼睑水肿，心肺听诊无异常，尿常规有红细胞（+++），蛋白（+），患儿10天前患过扁桃体炎。

为明确诊断，最有意义的检查是（）

A.ESR

B.血浆蛋白电泳

C.ASO与补体C3

D.血BUN

E.血Cr

答案

参考答案：C

单项选择题

In (66) the strength of the carrier signal is varied to represent binary 1 or 0. (67) is a system that can map a name to an address and conversely an address to al name. (68) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol. (69) is an approach that enables an ATM switch to behave like a LAN switch. (70) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A．VLAN

B．LANE

C．VPN

D．IPOA
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单项选择题

全速率业务信道和半速率业务信道传送数据最快速度为和（）。

A、13kbit/s、6.5kbit/s

B、11.2kbit/s、5.6kbit/s

C、9.6kbit/s、4.8kbit/s

D、4.8kbit/s、2.4kbit/s
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