Intoday’sworld,almosteveryoneknowsthatairpollutionandw...
问题详情： Intoday’sworld,almosteveryoneknowsthatairpollutionandwaterpollutionareharmfultopeople’health.However,notallthepersonsknowthatnoiseisalsoakindofpollution,andthisisharmfultopeople’health,to...