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1、We have only one earth.It's clear how important it is to take care of our earth.However,nowadays the environment is being polluted badly,so we must take actions.For example,we should pick up the rubbish and throw it into dusbin.We should collect waste batteries.And we should use plastic bags as less as possible.In addition,we mustn't spit in public places.Protecting the environment is our duty.As a student,I will try my best and advise others to protect the environment together.I believe the earth will become more and more beautiful if everyone can make their effort.

2、翻譯：我們只有一個(gè)地球。顯而易見保護(hù)好地球有多重要。但是，如今環(huán)境正被嚴(yán)重破壞，所以我們必須行動(dòng)起來(lái)。比如，我們應(yīng)該撿起垃圾，把它扔進(jìn)垃圾桶。我們應(yīng)該收集舊電池。