问个知识点

mrj1104 · 发表于 2011-8-18 22:48:41

NEW theories propose that catastrophic impact of asteroids and comets may have caused reversals in the Earth’s magnetic field , the onset of ice ages ,splitting apart continents 80 million years ago ,and great volcanic eruptions
A splitting apart continents
B the splitting apart of continents
C split apart continent
D continent split apart
E continent that were split apart

题目最后是逗号加and 我想问下几个内容连接时加逗号再加and 和不加逗号加and 有什么区别
谢谢了

huisang · 发表于 2011-8-18 23:25:23

当连接2个并列对象时，and前不加逗号，连接2个主句是唯一的例外。
当连接＞2个并列对象时，形式是A, B, C, and D，也就是最后一个对象前加and。
LZ瞅瞅Manhattan的语法吧~讲的很好的说~~~

问个知识点

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