Pollution of environmentThese days we often hear that (our living conditions are getting more and more serious because of the destruction of our environment ).It is common that (many trees and animals are near extinction, and the all-important food chain has been destroyed.).Why does such circumstance occur in spite of socia...
看看这个可以吗，独一无二的 What a fine day! I went to the City Sports Park with my classmates at the weekend. Of course it is a man-made park, but the environment is good. There is a lake...
