America purchased Louisiana Territory with ( ) million dollars from France.D The USA purchased Florida from ( ).A Texas 点我阅读全文
Overview Which country is the second largest economy in the world?( )A Which one of following is not an American company 点我阅读全文
According to the 2013 statistics, which one of the following is wrong?( )C Which one is right about the labour force in 点我阅读全文