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

2?????????

3???????

4?????????

5???????

??????????????????10?2? (?????????? ?????????????????????????????????????????)??????????????,?????????????2??,???????????,?????????????,??????

?????????????,???????????????100%?????????10?????????????????1????????????????????????,??????10???????????????22?????25%?????

????????,???????????,????????????,??,?,????????????,????????,????????????,??????????,??????????????

????????????,??????????,????????,??????????,????????????,???(?) ??????:???