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

2???????

3?1800???????

4???????

5???????

????11????????????????29???? (???? ????)11?29????,70?,??????????,??“??”????????????????“???”????,????

??,??????????????????????,????????“????”?????,???3.89???????????????“????????”?????????1.98?????????90????“????????”????,????????????4.3????,?????

??,????,??????(??????????)????????????????????,????“????”???????,?“???”???,???????????????????????????????????????????,???5????????????,?????????????

??,?“??”?????????????,?????????????????????????????????25????38????,???????????“????”?????????,?????,????,???????“??(???)????”????????????,????(?????????????????)????????????????“????”?

??????,???“?????????????????”“??????????????+N”??????????????????,?????????????????20??,?“?”,??“????????????????????????????”?????“??????????”,?????????????“???????”??????“??”??,“????”????????????“?????”???,???(???) ??????:??