如何选择CPM？

苦苦

假如有下面的列表：
Free Char-Broil Barbeque  $0.40  
428  Original Free Smileys!!  $0.35  
511  EducationProvider.com - Online Degrees  $0.35  
564  MyDishProvider.com - Free Digital Video Recorder  $0.35  
566  Bingoliner- Free Download  $0.35  
441  Original Smiley Cursors!!  $0.35  
547  Free Screensavers - Instant Download  $0.35  
567  Free Magnavox DVD Home Theater  $0.35  
489  FreeBingoRoom.com  $0.35  
562  Net Survey Panel  $0.35  
370  Find Romance - Offline Dating  $0.33  
107  Need a New Computer? No Credit - No Problem!  $0.30  
548  Voks Hair Care  $0.30  
399  Car Quote Provider - New Car Quotes  $0.30  
494  Stamps.com  $0.30  
358  PayDayRightAway  $0.30  
480  Lexington Law Credit Repair  $0.30  
281  Miracle Burn  $0.30  
438  International Star Council - Name a Star!  $0.30  
166  Emergency Debt Relief  $0.30  
531  My Dino Phonics  $0.30  
422  Accuquote - Life Insurance Leads  $0.30  
388  RapidCashProvider - 1 Page Cash Advance  $0.30  
355  American Singles - 1 page lead  $0.30  
479  Nexiderm - Facial Cream Free Sample  $0.30  
167  Cash Advance Expert  $0.30  

anjing

解释下啊，

freelong

8

苦苦

548-谐音 死吧：《