一) 连接词(1)表选择关系或对等关系的连接词:eitheror,neithernor, or, as well as, and, bothand。(2)表因果关系或对等关系的连接词:therefore, so, as a result, as the result of ,because of, due to ,owing to, thanks to等。(3)表时间顺序的连接词:the moment, as soon as, at first, then, later, meanwhyle, at the beginning, in the end, before long, for the first(second)time, the minute等。(4)表转折关系的连接词:yet, and yet, but , while, on the contrary, on the other hand, however, at the same time(然而)等。(5)表解释说明的连接词:that is, that is to say, in o