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sth. play a part in doing sth. can39。t afford to do sth. It39。s a good idea to… Ⅲ . 相關(guān)佳句積累。 1 . L e t 39。s t a k e a c t i o n n o w ! 2 . I t 39。s o u r d u t y t o p r o t e c t o u r e a r t h . 3 . T h e a i r p o ll u t i o n i s g e t t in g wo r s e a n d wo r s e . 4 . M o r e a n d m o r e p e o p le h a v e r e a li z e d t h e im p o r t a n c e o f p r o t e c t in g t h e e n v i r o n m e n t . 5 . I n a wo r d , I t h in k o n e t h in g w e s h o u ld k e e p i n m in d is t h a t n o m a t t e r w h a t a s m a ll e f f o r t w e m a k e , it d o e s m a k e a d if f e r e n c e . 我們生活的地球正面臨著巨大的環(huán)境壓力 , 如空氣污染、水污染、固體廢棄物污染、動