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

2????????

3??????????????

4??????????

5???????????

?11?22???????? ???,???????22??????????,??5.4???,??“??”?

?????????????,????22?18???45???????????20??22???????????????????20??????????40??20??43????????21?29?,??20?????????40?5.4??,??????23.2??????????????120.18??,?23.2??????????,?????????7.7?????

??????????????????????????,??????????,???????????????,?????,?????“???????”????,?????????????????

?,??“?????”,?“?????????????????????????”?

?,22?20????40???????4.7??(??) ??:??