Hearing from the Kennedy Center Honorees It's not every day, even around here, that such renowned personalities visit 1600 Pennsylvania Avenue. On Sunday, the President and First Lady hosted a recepti
3分钟英语演讲稿（一） What is nature? Its everything that exists in the world independently of people, such as pants and animals, earth and rocks, and the weather.Now more and more people are focusing on the
Hi, everybody. Over the past year, more than 10 million Americans have gained the financial security and peace of mind that comes with health insurance. More than seven million people enrolled in affo
I thought I would start with a very brief history of cities. 我觉得我得从城市的历史简单说起。 Settlements typically began with people clustered around a well, and the size of that settlement was roughly the distance
