????:1??????????????:??????100?????

2?????98???

3????????????

4???????????

5?????????????

???2?1???? ?,????????1??????????31?,??????,????2??1??????25%?????

??(CNN)??,????????????,?24??

??1??????????30?,??????????????????,?????2??????1????25%????1???????????31???,?,??????????????,???“??”?

?1???????????????????31????????,??“?????????”??????????????????“????????,????????A?????B????C?(?????????)?”

??1?????31??X????????????: “???????????,?????????” ??:??