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

2????????100?3??

3??????????

4???????

5????????

?????:????28??,?8???????5.36??,?????10???????????????,??????????????????????????????????????????????????????,??8??????????,??9???????????????

????????:??????? ??

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

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

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

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

??????:“??????,???????????????????60??80????????????????,????????????,??????????????????????????????????‘????????????’,????????????,????????????????????? ????????,??????????????”

???????????????:?? ??

??????????,???????????????????????????????6??10???,???????????,??????,?????????????????,??

??????????,???????,???????,???????????6000????,??6?????????????4000?????????????

????????,??,??????,?????,??????????????????????????????????,??????????????16????,??????????40??????? ??????????????????:??????????