A：Hello,what do you think of the weather today?
B:It is very warm.
A:Do you think it is a bit strange.It was cold this time last year.
B:Yes,it is the end of autumn,and the weather should be cold.However,it is still warm.The winter is coming soon and I think we may have a warm winter this year.
A:I agree.I am a bit worried about the change of weather.
B:It is unnormal now.I am concerned about this,too.
A:Do you know what causes the change of weather?
B:Air pollution may be one of the reasons.Industries poor too much waste smoke into the air.The air has been polluted so seriously.
A:That is a problem.The situation is becoming worse and woerse.
B:What is more,we have done too much harm to our environment.For example,people cut down trees,turn farmlands into buildings and so on.
A:Yes,what we human beings have done have broken the balance of the ecology,which leads to the change of weather.
B：I think we should do someting to help.
A:Let us and people around us take action from now on.
不够你自己加吧 我困了 睡觉去了 拜拜啦
