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

2???????

3????????

4???????????

5?????????

??????????????????12???????1????? (??????????????????? ?)??11??30?22?????????????????????????25??????,????????4????,??????????????????????????,?“??”???

????????????????????????(???????????????????????)

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

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

“???”:?4??,????3.8????3.35??

“????????????”:???????????????62????,??“???”?

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

“??”:??????????,?,?,??,????10%?15%?

“????”:???????,????????????????,????????????????,?????,??75%??????????????????????,??????0.3????????????????,?????,??(??????)

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