知识问答
最佳答案：Environmental problems are becoming more and more serious all over the world. Wi
最佳答案：如何保护环境(How to Protect the Environment)Good environment can make people feel happ
最佳答案：How to protect the environmentIt's very impont for us to protect the environment
最佳答案：Protect our enviorment The earth is our home,we must take care of it.We shoule m
最佳答案：The earth is our common home.On the one hand,it is very important for us to prot
最佳答案：The environment is becoming worse and worse.As we all know ,the environment is v
最佳答案：The Earth is like our mother.She gives live to all the living things on the Eart
最佳答案：It is important to beal with the rubbish in cities.Our world was colorful,beauti
最佳答案：我们是学生,学生离开教室前记得关灯,尽量骑自行车去上学,还要回收废纸和饮料瓶,不乱扔垃圾,在购物时自己带篮子,不用塑料袋,来保护卫生.多参加植树活动美化我们的环
最佳答案：Protect environment(环境保护) The earth scale change of climate has brought a new ki
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