????:1?????????:????400?????

2?????????

3????????

4??????

5??????????

???????10???????????14???? (????? ?)????????14???????????????????????????,??8??;??,????,???????12??

14??????,????????????14??6?,???????????????14????????????,????????????????????????????????????????,??,???????????????????????????????????500?????????,???????????????200?????

??????,?????,???????????14?,???????,?????????????

?????,??,?????,14???????15????????,?????????????????5????6??????7????8?????,???????????6?????????????????10?,?????12???????

?,14?,??????????????21?,15????8?,?“?????”,??,?????

???,18???????,????,???????????,18?19?????????,??(?????????????????) ???:????