We only have one earth, but this unique earth is not simple. There are many things need people to understand, to solve. Let me take illness as an example. Everyone will get ill, such as catch a cold,
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
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
The history of life on earth has been a history of interaction between living things and their surroundings. To a large extent, the physical form and the habits of the earth's vegetation and its anima
The EarthOur Mother Pcople often say that the earth is like our mother. She gives life to all the living things on the earth and provides us with air, food, water and other essential things we need fo
