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