引用：http://topic.csdn.net/u/20120907/13/e99c9e3d-d2ab-46d3-a59d-99b37cee7d30.html?r=79624887
C:\WINDOWS\system32\drivers\etc\hosts
74.125.39.99 clients4.google.com
209.85.225.100 clients4.google.com
64.233.183.139 clients4.google.com
64.233.183.139 docs.google.com
74.125.19.101 docs.google.com
74.125.19.101 chrome.google.com
74.125.47.139 clients2.google.com
74.125.153.138 tools.google.com
74.125.39.99 docs.google.com
209.85.225.101 docs.google.com
74.125.127.100 writely.google.com
更快的方法是手动复制