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.

（125）是（）

A.broadcast

B.cable

C.control

D.interconnects

E.internet

F.meander

G.means

H.medium

I.modem

J.output switch relay

按照《2010通则》的解释，FOB、CFR与CIF的相同之处表现在（）。

A.交货地点相同

B.风险划分界限相同

C.适合的运输方式相同

D.都是由卖方自负风险和费用，取得出口许可证或其他官方批准文件，并且办理货物出口所需的一切海关手续

E.都是由买方自负风险和费用，取得进口许可证或其他官方批准文件，并且办理货物进口所需的一切海关手续