We Are a Normal Member of the Big Family of Nature 我们只是自然大家庭中普通的一员 By Wang Yonghui(主永晖 北京对外经济贸易大学) 专家点评:演讲者围绕环境污染的严重性作了一次次的说明。文章的结构严谨，也很有层次感。 Honorable judges, ladies and gentlemen. Today，we are gathe
THE PRESIDENT: Good morning. Christmas is just a few days away. As Americans gather around the tree with family and friends, we remember the Soldiers, Sailors, Airmen, Marines, and Coast Guard men and
Hi, everybody. On the first day of my administration, I promised to restore science to its rightful place. I told you we would unleash American innovation and technology to tackle the health challenge
