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问题 单项选择题

骨髓检查原始粒细胞80％，早幼粒细胞12％，中性分叶核粒细胞6％，应诊断为( )

A．急非淋白血病M1型
B．急非淋白血病M2型
C．急非淋白血病M3型
D．急非淋白血病M4型
E．急非淋白血病M5型

答案

参考答案：B

填空题

申请保密资格的单位应当在（）内未发生泄密事件。
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单项选择题

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.

（129）是（）

A.broadcast

B.cable

C.control

D.interconnects

E.internet

F.meander

G.means

H.medium

I.modem

J.output switch relay
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