品味地道美文，解读高考词汇Obama: study for successUS president Barack Obama is one of the most successful speechmaker in the world. Some people even say that one reason he became president of the US si because he knows how to give a good speech. Here is an excerpt （摘录） from his recent “back to school” speech, delivered （发表）two weeks ago in Virginia, the US. I know that sometimes, you get the sense that you can be rich and successful without any hard work-that your ticket to success is through rapping
