股票实质上代表了股东对股份公司的__________（）

A、产权

B、债权

C、物权

D、所有权

A local-area network (LAN) is a communications network that (125) a variety of devices and provides a (126) for information exchange among those devices. The scope of the LAN is small typically a single building or a cluster (丛) of buildings. The LAN is usually owned by the same organization that owns the (127) devices. The internal data rate of LAN is at least several Mb/s.
The basic of LAN communication is broadcasting. At each station, there is a transmitter/receiver that communicates over a (128) shared, By other stations. A transmission from any one station is (129) to and received by all other stations.

A．broadcast

B．cable

C．control

D．interconnects

E．internet

F．meander

G．means

H．medium

I．modem

J．output switch relay