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| Green Olympics | |
| 摘 要： | It seems all happened in a mo- ment.White clouds float in blue sky,green trees are decorated by colorful flags with warm smiling images,and the building are taking a brand new appearance...Some magic must has been done to Beijing:it turns to a cleaner,healthier and more beautiful city. |
| 本文献已被 CNKI 等数据库收录！ | |