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

2?????

3??????

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

5??????

????7?1? ???,7??????1-2????,3???,4-8???,10????(?6????????)?

????????6?????????? ????????????

6?????????????(6????21-30????),???????????????????70~120??,????150~300?????????,?????????????????????????400????????????;??????????????????????????????????????30~70????,???100????;????3~8???????,?1??;???????????????????????????????????

6???????,???????????????????????4~8??35???,??40????

???7????????????3-8????????????????

7?(7??????1-10?),???????????????????????????????????????50~100????????????????????,?????????????????????????????????????????????????150~200??????,?250??;????????????????????????????????????30~80??,?????100?????3~7?,?1????????

????:??

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7??1-2????,?????????????????????????????????,?,?,????????????????

7?????4-8????,??????????????????,?????

7??10??????,?????

?????????????

????11-14????????????(7???????????11-14????????????),?????????????????????????????????????????????????????????????????????30~60???,???????70~100??

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7??3-8???????????

7?????1-2???????????,3??,4-8??????,10?(???????6???????????????)?

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7????4-8??,????,????35~38???????,????,?4-8?????

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??????????????????,?,??????

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7???2-3??6???????????????????????,??????????????????????,???????????????

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7?????????

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