1、表示并列关系的并列连词有and, neither...nor..., not only... but also..., both...and等，例如，they sat down and ta造婷用痃lked about something,
3、表示转折或对比关系的并列的并列连词有But, yet, while,still, whereas, neverthless等，如he worked hard, but he failed to pass the test
5、表示选择关系的并列连词有Or, otherwise, either...or等等，例如start right now, otherwise you'll miss the train，现在立刻出发，否则你就会错过火车
