小学英语作文：Protection of the Environment保护环境
Once man did not have to think about the protection of his environment.There were few people on the earth, and natural resources seemed to be unlimited.
过去，人们不必担心保护环境的问题。因为那时地球上人口稀少，自然资源似乎取之不尽。
Once man did not have to think about the protection of his environment.There were few people on the earth, and natural resources seemed to be unlimited.
过去，人们不必担心保护环境的问题。因为那时地球上人口稀少，自然资源似乎取之不尽。
