美國(guó)新任總統(tǒng)奧巴馬上臺(tái)，第一位黑人總統(tǒng)，他會(huì)帶來(lái)什么不同以往的經(jīng)歷呢？聽(tīng)寫(xiě)提示：Guantanamo,??Lyndon Johnson,?Lincoln Memorial
The United States got a new president this week. ?President Barack Obama quickly got to work in his first days in office. In one of his first official actions, he ordered the closure of the American detention center at Guantanamo Bay, Cuba, within a year. ?He also ordered a study of milita…