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5、heseareseriotstalkabouttherhingswecandotohelp.problemsforourenvironment,Next,letsA.TheairpolluntionCausesnanyilInessestB.Forexamplexpeoplearelitteringinpublicplaces,CWhatotherproblemsdoyousee2DWeshouldstopthemfromdoinglikethat.EIhardlyeverseeblueskiesanymore:FWhatdoyouthinkhascausedthisproblem2GEactoriesthatburncoalalsopollutetheairwithalotofblacksmoke.