为实现进度目标，不但应进行进度控制，还应注意分析影响工程进度的风险，并在分析的基础上

诊断颅盖骨折通常依据是

A．头颅X线摄片

B．头皮伤痕

C．局部触诊闻及骨擦音

D．剧烈头痛伴呕吐

E．对侧肢体偏瘫

温度是表示物体的______的物理量，温度计是根据液体的______的性质制成的．为了控制甲型

HNI流感的蔓延，各校每天都对学生的体温进行检查．某同学的体温如图所示是______℃．他______（选填：“有”或“没有”）发烧．

以下选项属于我国劳动调解委员会受理范围的是（）.

A.合同争议

B.开除争议

C.除名争议

D.辞退争议

在PRACH信道的开环功率控制算法中，PRACH信道的目标接收功率如何获得（）

A.广播消息

B.终端自己计算

C.基站计算

D.基站通过FPACH信道反馈给终端

Networks can be interconnected by different devices in the physical layer networks can be connected by (71) or hubs．which just move the bits from one network to an identical network．One layer up we find bridges and switches which operate at data link layer．They can accept (72) ，examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer，we have routers that can connect two networks，If two networks have (73) network layer，the router may be able to translate betweenthe packer formats．In the transport layer we find transport gateway，which can interface between two transport connections Finally，in the application layer，application gateways translate message (74) ．As an example，gateways between Internet e-mail and X，400 e-mail must (75) thee-mail message and change various header fields．

A．frames

B．packets

C．packages

D．cells