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问题 单项选择题

腰痛患者，腰酸乏力，喜按喜揉，劳则益甚，卧则痛减，反复发作，伴有口燥咽干，手足心热，舌红少苔，脉细数。其证候是

A．瘀血

B．湿热

C．寒湿

D．肾阴虚

E．肾阳虚

答案

参考答案：D

名词解释

孢子体
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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．Coaxial cable

B．Optical fiber

C．Unshielded Twisted-pair Cable

D．Shielded Twisted-pair Cable
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