?? ???:BBC????“??????” ??????????
????:1???????:????
2???????????
3??????95?98?
4??????
5????????????
??????????????12????????????????5? (????????? ??????????? ?)??12??????????5???
???????? ?????:3????,?????????????(BBC)?,?????????,?????????“???”?????????BBC??“????”???????????,??????????????????????????????????????????????
?????????:?????????,??“??????????”,?“??”?????,????????,?????,???????????????90%??85%,???????“?????”???????
?????????,????????,???????????????????????,????????????????“???????????????????”?“????”“??”?????????????,??????????,?????????“?”?????????????????????,?????????
??,?????????????“???????”???????????????????????????,????“?????”“??????????????????????”????,??????“?????”“???”??????????,??,???????????????,???,???????????“????”???????????,????????????????,?????,????,???(?????????)
?????:????