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• 2??????????????2000?????
• 3??????:B?????????????
• 4?????????????????????
• 5?????????12????????
• 6??:?????????25????1???
• 7??2?????????:?????????
• 8?????????????????????
• 9??????????????????????
• 10????????????????????!
• 11??????????172?4.9???36.7?
• 12????????????:????????????
• 13??????????????????????
• 14??????10???6????4??????
• 15??2???????0.8%??????
• 16??????????????12???
• 17??????????????12???
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• 19????????:????????????
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