虎虎生威2015
SAVE EARTH ,SAVEUS we should reduce poisonous gas given off by factories automobiles Planting more forests . , using new source,dispose of factories'waste gas the automobiles should be equipped with a device air pollution, noise pollution, water pollution. So we can get an important consequences: According to the problems: species decline, human health suffer, environmental degradation. we shoud protect the environment for the Earth Mother .Let "work together ,OK?
优质英语培训问答知识库
