在离X射线管焦点2米处测出透过衰减系数（吸收系数）为1.2cm-1的

When you are (71) a home or small office network, it is recommended that you use the Network Setup Wizard in Windows XP Home Edition to enable Internet Connection Sharing. The Network Setup Wizard automatically provides all of the network settings you need to (72) one Internet connection with all the computers in your network.
After ICS is enabled, and you make sure that all of your computers can (73) with each other and they have Internet (74) , you can use programs such as Internet Explorer and Outlook Express as if they were (75) connected to the Internet service provider (ISP). When a request to the Internet is made, the ICS host computer connects to the ISP and creates the connection so that other computers can reach a specified Web address or download E-mail.

A．creating

B．reach

C．going for

D．setting up

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