By the end of each week,the students take a quiz,hand in their homework,which are assessed by their peers under the supervision of the instructors,get a grade, move to the next week. 每周结束的时候，学生们参加一个测验
THE PRESIDENT: I've just assembled my -- many people on my domestic policy team to discuss the current flooding in the Midwest. Of course, our hearts and thoughts go to those who lost life. And of cou
Mine moved quickly 我的世界变化很快 yours moves even more quickly 你的世界变化更快 As traditional structures are breaking down 在这个传统结构正被打破的时代 leadership has to evolve as well 领导班子也需要演变 from hierarchy to shared respon
President Bush Welcomes 2007 WNBA Champion Phoenix Mercury to White House THE PRESIDENT: Thanks for coming. Please be seated. Welcome to the White House. And it is fitting that we use the East Garden
