我的HOST文件部分内容，供参考（其中部分是阻挡FLASH的）

127.0.0.1 2o7.net
127.0.0.1 3721.com
127.0.0.1 4.ads99.net
127.0.0.1 6178.net
127.0.0.1 61.129.52.150
127.0.0.1 888estore.com
127.0.0.1 997.cn
127.0.0.1 a.tribalfusion.com
127.0.0.1 ad.yieldmanager.com
127.0.0.1 adopt.euroclick.com
127.0.0.1 ads.1stchina.com
127.0.0.1 adsence.sogou.com
127.0.0.1 adserver.wenxuecity.com
127.0.0.1 advertising.com
127.0.0.1 affiliatesimages.bosaffiliates.com
127.0.0.1 b.casalemedia.com
127.0.0.1 bootchina.com
127.0.0.1 banners.commissionking.com
127.0.0.1 baidu.com
127.0.0.1 click.search.myrice.com
127.0.0.1 clicksor.com
127.0.0.1 cna.net.cn
127.0.0.1 cnnic.cn
127.0.0.1 cpa.ete.cn
127.0.0.1 dealsaving.com
127.0.0.1 dig86.com
127.0.0.1 dikavan.com
127.0.0.1 doubleclick.net
172.0.0.1 drugreview.net
127.0.0.1 dxgo5.com
127.0.0.1 fboat.cn
127.0.0.1 fragment.union.sogou.com
127.0.0.1 freepay.com
127.0.0.1 hotadv.com
127.0.0.1 idc.9e3.com
127.0.0.1 idc2020.com
127.0.0.1 info.ccvod.com
172.0.0.1 img.shopping.com
127.0.0.1 iplus.allyes.com
127.0.0.1 jcsm66.com
127.0.0.1 jump.hotadv.com
127.0.0.1 keaiq.com
127.0.0.1 laptops.freepay.com
127.0.0.1 learning365.com
127.0.0.1 1gweb.com
127.0.0.1 m.webtrends.com
127.0.0.1 m.2mdn.net
127.0.0.1 mayiad.com
127.0.0.1 media.fastclick.net
127.0.0.1 members.wenxuecity.com
127.0.0.1 nihao.net
127.0.0.1 now.net.cn
127.0.0.1 oascentral.wenxuecity.com
127.0.0.1 pagead2.googlesyndication.com
127.0.0.1 partypoker.com
127.0.0.1 passion.com
127.0.0.1 photocdn.sohu.com
127.0.0.1 pic.qyule.com
127.0.0.1 qihoo.com
127.0.0.1 qq.17haha.com
127.0.0.1 qyule.com
127.0.0.1 seaIDC.com
127.0.0.1 search.union.3721.com
127.0.0.1 sexdvd2000.com
127.0.0.1 servedby.advertising.com
127.0.0.1 shd.com.cn
127.0.0.1 soullake.soufun.com
127.0.0.1 sogou.com
127.0.0.1 stat.dealtime.com
127.0.0.1 statcounter.com
127.0.0.1 statse.webtrendslive.com
127.0.0.1 taobao.com
127.0.0.1 tian55.com
127.0.0.1 tv.mofile.com
127.0.0.1 union.narrowad.com
127.0.0.1 union.shd.com.cn
127.0.0.1 unstat.baidu.com
127.0.0.1 web.yeeyoo.com
127.0.0.1 wg53.com
127.0.0.1 yone.com
127.0.0.1 zgsj.com
127.0.0.1 zhiyuanit.com
127.0.0.1 zlnic.net