?? ????:BBC??????“???” ??????????
????:1???92?:????
2????????
3???????????
4??????
5??????
???????????12????5? (?? ????? ?????????)??????????12??5??????????
??????? ??????????????????:3??,????(BBC)?????,???,???????????“????????????????”??????????BBC??“??????”?????????,???????????
?????????:???????????????,??“???????”,?????????????“??”?????,???????????,????????????,????90%??85%,?????“???”??????
?,?????????,????????????????,???“??????”??????????“???????”“????”?????,????????,??????????????“????”??????????????????????????,??????????????
?????????????????,???????????“??????????????????????”???????,??“?????”“?”???,?“????????????????”“??????????????”?????????????????????????????,????????,???????????????????????????????????????????,?????????,??????“???????????????????”???,??,?,?,??????????(??)
?????:?????