Questions about ubuntu wireless Internet access

For more information about ubuntu wireless Internet access-Linux general technology-Linux technology and application, see the following. I have been studying linux recently. I used vmware and installed ubuntu. I have never touched it before. I used wireless Internet access in my unit. Now I find a problem.
Ubuntu8. 1. When you use a network cable to access the Internet in the dormitory, you only need to switch to the Bridge Mode. In the virtual machine linux, you can access the Internet. However, when you access the wireless Internet, you will not be able to access the Internet. You have also checked some information on the Internet, I tried to bridge the connection between vmware8 and my wireless network ..
I 'd like to ask someone else to answer this question ..