????????????????

????

• 1????:????????????????3.3?
• 2???????????????1?3?
• 3????????????????????
• 4????:????????????????
• 5??:????“???”?????????
• 6??GIF-???????????1??????
• 7???????????????????
• 8?????????????????
• 9?????????????:???????????
• 10????:????????????????
• 114?7?22?????????
• 12??:??????????????
• 13????????????????????
• 14???????«????»????????????
• 15??1???2?!??????????????
• 16??3?4?????????????????
• 17??:“????”??????????
• 18????!?3?????9.8?????????
• 19??2?????????0.4%
• 20?????????????????????