第一课 (视频：点击页底Youtube>Playlists>英语课程）
Is America’s past a tale of racism, sexism, and bigotry?疑问句，系词be放句首 Is it the story of the conquest and rape of acontinent?同上 Is U.S. history the story of white slave owners who perverted the electoral process fortheir own interests定语从句，相当一个形容词，修饰owners? Did America start with Columbus’s killing all the Indians, leap to Jim Crowlaws and Rockefeller crushing the …