【简答题】阅读理解。 Have you ever heard of the story of Earth Day? Now let me tell you. Earth Day was started 111 1970 by a man named John McConnell from the United States. In the beginning, it was held on one day...
【简答题】April 22 is Earth Day. Everyone on Earth should care about and protect the earth! The earth has warmed by about 1°F (华氏度) over the past 100 years, but why and how? Well, scientists are not quite sure....