→原创｜In 1620, about half the USA was covered by forests． Today the forests have almost gone． A lot of good land has gone with them, lea…〔09-06〕

  →原创｜The students were having their chemistry（化学）class. Miss Li was telling the children what water was like. After that, she asked her…〔09-06〕

  →原创｜A friend of mine named Paul received an expensive car from his brother as a Christmas present．On Christmas Eve when Paul came out…〔09-06〕

  →原创｜I often dreamed about Pisa when I was a boy. I read about the famous building called the Leaning Tower of Pisa. But when I read th…〔09-06〕

  →原创｜Once Einstein gave a lecture in many places in America． His driver always listened to him and knew the lecture so well that he was…〔09-06〕

  →原创｜Some British and American people like to invite friends and colleagues for a meal at home. You should not be upset (心烦意乱) if your…〔09-06〕

  当代→原创｜Animals are people’s friends. But many wild animals are facing the danger of dying out(灭绝)，because the environment that they are l…〔09-06〕

  →原创｜Zhao Ruirui, 1.97 meters tall, was the tallest player in the Women's Volleyball World Cup in 2003. Thanks to her baby face, she wa…〔09-06〕