????:1?????????:????????

2????????

3???t???

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

5????????

??????,?????????????????????5A????????????????????????????????????,????“??”?????“???”?????“??”?????,????“?????????”?????“?????????????”??????????????????

??,?????????,???????10????????,??“?????????????”??????????7????,??229???“???”????,95%????“???”“?????????”“???”???????,“???????????”???

?? ?? ??? ??

??:????