With the intensification of human activities, the ozone layer of the earth's surface appears serious hole. Maybe ozone layer is abstract to many people. Let me take a metaphor, ozone layer just like t
Low carbon life is popular nowadays. Its aim is to reduce the energy in our daily life, especially reduce the emissions of carbon dioxide. It is well-known that the air pollution is more and more s
March 12th is Tree Planting Day. This year our school bought enough trees before that day . On that day , we didn't had classes . The teachers and our classmates planted trees around our school. We be
Im going to the sun on my holiday. I will go there by a spaceship. I will take a big blue spaceship。 then Ill pilot the spaceship to the sun. the sun is very hot. So I put on the super-shirt. In the m