知识问答
最佳答案：the air is duty.and sometimes.We are the teachers.They are workers.Our school is
最佳答案：with the improvement of people's living standards,more and more city refuse has
最佳答案：Marine pollution usually refers to the human change the original state of the s
最佳答案：附1：垃圾一般叫garbage而不是rubbish附2：张明的拼写,应该是名字在前,姓在后：Ming Zhang附3：这封信里包含了你说的所有的项目,语气比较严
最佳答案：Environmental problems arenot for individual country or individual people to add
最佳答案：Protect Our EnvironmentIt is important to beal with the rubbish in cities.Our wo
最佳答案：taixing is the capital of china,it is also one of the biggest city in the world
最佳答案：We produce millions of waste batteries every year.We often throw them into the d
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