* * 栓基质应选A．可可豆脂 B．棕榈酸酯 C．甘油明胶 D．_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

* * 栓基质应选

A．可可豆脂

B．棕榈酸酯

C．甘油明胶

D．聚乙二醇

E．聚氧乙烯

答案

参考答案：C

单项选择题 A3/A4型题

男，32岁。胸骨左缘第3肋间有舒张早期递减性吹风样杂音，可考虑主动脉瓣关闭不全诊断。

本杂音应与哪种情况相鉴别（）

A.动脉导管未闭

B.三尖瓣狭窄

C.心房间隔缺损

D.心室间隔缺损

E.肺动脉瓣相对关闭不全

单项选择题

76． (1) is a channel’s capacity which directly reflects the data transfer rate of the channe1.
(2) functions in a NetWare network which is used to define addressing schemes.
(3) is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.
(4) is the popular LAN developed under the direction of the IEEE802.3.
(5) is a device which enables digital microcomputers to communicate across analog telephone lines.

(2)

A．NetBEUI

B．IP

C．IPX

D．NCP