????? 1??????4???????????????4.6?

????

• 1???????????????????
• 2????????“????”????????
• 3?????????:??????????????
• 4?????20????????????????
• 5??:??????????????
• 6????:????????????????
• 7??:???3??????100???????
• 8??:??“??”????????????
• 9????:????????????????
• 10?????????????????????
• 11???????????0.6%?????????
• 12??-??????????3-0???????
• 13???????4.3%????66?
• 14????:???????????????
• 15????:12?11?????????????
• 16?????+??2?????????????
• 17????????:??????????
• 18??:???3??????100???????
• 19???????:???2??????????
• 20???100???7????5???????