介绍奥巴马的英语作文
Obama was elected as the new president of the USA. He was popular among American people not only because he is black but is also because he is quite young and a very powerful lawyer before this.
He is the son of a black man from Kenya Africa and a white woman from America.He used to be a lawyer in Chicago for several years.
He will come to office in early January.
10分钟左右演讲 PPT多少页合适?
要看内容，一分钟能讲一页的内容，就要10页，十分钟只能讲一页的，只需一页，一分钟可以讲10页，就要100页。