一、重难点解析 1.Although slavery ended in the USA in 1865, almost a hundred years before, the South had its own laws to continue the separation of blacks and whites. 尽管在1865年,差不多100年前,美国就结束了奴隶制度,南方却仍然拥有自己的法律,继续隔离黑人和白人。 二、日常用语 1.What happened first was that ... 2.... happened as a result of ... 3.You could expect ... because ... 4.That led to ... 5.One of the reasons why ... is ... 6.... is often followed by ...