如何理解工作设计中的社会技术理论？

ause they have toxic chemicals in batteries and other components.

A．pose

B．commit

C．transport

D．expose

office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem？（）

A. mismatched TKIP encryption

B. null SSID

C. cordless phones

D. mismatched SSID

E. metal file cabinets

F. antenna type or direction

tandby power.

A．Y

B．N

C．NG

io signals.

A．transmit

B．give off

C．dispatch

D．launch

s well as voice applications. It【B1】the efficiency and productivity of workers in a【B2】of other business environments. Key wireless technologies and【B3】including wireless LANs, cell telephone and packet data networks, global tracking systems, mobile computing, wireless Internet access, and enhanced paging and dispatch systems. Wireless LAN products,【B4】wire-based networks, connect PCs, laptops, PDAs, and more to LANs but offer one important【B5】they allow you to move or "roam"【B6】while staying tied to your【B7】or the information on your wired network【B8】you can communicate with them【B9】you are, without ever losing the【B10】to the network,

Digital's wireless LAN products are clear leaders in the marketplace. Digital【B11】the industry's most complete portfolio(系列服务) of mobile and wireless products.【B12】such as wireless PC Cards, wireless ISA adapters and superior wireless bridge, digital cordless telephony【B13】desktop devices to communicate wirelessly with other wireless【B14】, or access network files, services, and devices on the wired network.

Wireless communication technology can also be used for【B15】time data collection in locations【B16】considered too remote, inaccessible or environmentally hostile for conventional wired monitoring systems. Mobile hosts such as notebook and palmtop computers are now widely【B17】and affordable. Today's laptops and notebooks come loaded【B18】almost all imaginable wireless communications devices. This gives desktop PC customers a choice of wireless technology【B19】best suits their mobility and application needs.

Other markets for wireless technology include customer service, retailing, and health care.【B20】every market in the service sector of the economy is a candidate for wireless technologies and services.

【B1】

A．reduces

B．improves

C．disturbs

D．provokes

Handheld wireless phones are popular with most people because______.

A．they send out a little amount of watt of power

B．they have many cool shapes and colors

C．they are small and light

D．they are easy to buy on market