?? ?6.8?????????49????
????:1?????95???:???????????
2???????????
3??????????
4?????100??3?????
5?94???????
??1??????7??? ??,?1?7?????????12?00?,???6.8?????????????49?,??3.0??????33????,3.0?16?,???3.0-3.9????13?????,4.0-4.9?3?,?4.4??,??18??
? ?????????????:??