问题
单项选择题
人体血液流失量占人体总血量的（）时，人体就会出现失血性休克。
A.0.1
B.0.2
C.0.3
D.0.4
答案
参考答案：B
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人体血液流失量占人体总血量的（）时，人体就会出现失血性休克。
A.0.1
B.0.2
C.0.3
D.0.4
参考答案：B
| 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. |
(5)
A．The repeater
B．The modem
C．The hub
D．The printer