1.HB_________
2.CD________
3.CD-ROM__________
4.DVD___________
5.BBC____________
6.CCTV___________
7.CATV____________
8.DV_________
9.NBA____________
10.EQ__________
11.IQ__________
12.UFO___________
13.PC____________
14.SOS____________
15.PRC___________
16.USA___________
17.UK_________
18.UN__________
19.IT_____________
20.GPS__________
21.WTO___________
22.CEO___________
23.WWW___________
24.ICU____________
25.EMS____________
26.ATM____________
27.VIP____________
28.SMS___________
29.E-MAIL__________
30.KG_________