【单选题】听力原文: Alaska, which was called Russian America before it was sold to the United States, joined the Union as the forty-ninth state in 1959. (Hawaii was the fiftieth state to join the Union. ) Alaska is...
【单选题】听力原文:Alaska, which was called Russian America before it was sold to the United States, joined the Union as the forty- ninth state in 1959. (Hawaii was the fiftieth state to join the Union.) Alaska is ...