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

2??????100????

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

4????????

5???95??98???

???????????????6???????????????8???? ?????????????,?????,?????????????????????????????????,????????8???????????????,?????;8??10?,???????????????????;????????????????????

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8????,???????????????,????,???????????

?

?6?????8?????13??,????????????????????,?????????3~5?;??????????????????????????39~42??

???6??8????,????????????????????????????????35~36??????????????,????,?????37~39?,??????????????40????????6??????8????????6?????

?(6????????????8?8??????-20??????????????)

?

8??10?,???????????,?,????????????????????????????????????????????????????????????????????,???

11?12?,???,?????????,????????????

13?15??,?????,????,??????;???????????????????????,?????

????????

6??8??8?9?????8????????????????????,????????????????????????????????????????????????????????????????????????????,???????????????????,?????????????????????,?????????(100~180?)???????????????????????????????4~5???

?(6????8??????8??????????????-9??????????????????8??????????????)

6?????9??8????10?????????????8?????????????,??????????????????????????????,??,?????????????????????????(50~90????????)???????????????????4~5???

?????(6???9?8??-10????????????????????8?)

6?10??8?????11??8?????,???????,?,??????????????(50~90?????)???????4~5????????

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