保护环境

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our sky will be bluer，大家应该自觉地把垃圾扔进垃圾箱， and the smile of the earth mother will be more brilliant！ the flowers will be redder， i saw a bottle of unfinished milk tea lying on the side of the road. i saw another pupil throw the cup of red bean porridge on th

温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。