?????,??????????,?????????,??????????????,???????????,?????
2?????????????
2.1???
??????,?????????????,???????????????????????????????,???????????,???????,???????????
2.2????
??????,????,?????????,??????20g??,?????????????,????????????????????????,???????????,??????????????
2.3???
???????,????????????,?????????????????????????,?????????????
2.4????
????????,????????,??????B????????C???,???????????
3??????????
3.1??:??????;
3.2??:??????,??????????,????,??;
3.3??:??????,??????????;
3.4??:????????,???????????,??;
3.5??:??,????,????,????;
3.6??:????,????;
1?????
???????????????????????,????????????,???????,????????????????????,???????????,???????????
2????????
???????????????????????????????????????????,???????????????????????????
3?????
?????????????????,????????????????????????????????????????????,????????????
4????
??????????,??????????????????????????????????????,????????????,?????????????????
1????????????:???????????,??????,????,???????
2????????????:????????????,??,??,??,??,????
3????????????:?????????,????,?????,?????,????????
4?????????????:?????????????,????,?????????,????????,???????????????????,???????????,?????????????????,????,????
5????????:??,??,??,????,???????,????,????,??,????,???????,??,?????????,????????
