environment
every day all of us live and work in some environment,which includs social and natural,and we cannot be unrelated to it.take the natuale environmment for example.as our sociaty and economy develop,it has been treatening.our human beings are the biggest criminal and we cannot shirk our responsibility.as s result,nature is damaged by us,and the most of animal is under the danger,even some is facing the death.meanwhile,much pollution and rubbish come to us as wave,so that we cannot address it.
unfortunately,we are broking the nuture with our hands that chang and improve it.it is time for us to reeaxmine ourselves.