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Sixty-five million years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous Period.
(A) which, causing plant and animal extinctions, marks (B) which caused the plant and animal extinctions marking (C) and causing plant and animal extinctions that mark (D) an event that caused plant and animal extinctions, and it marks (E) an event that caused the plant and animal extinctions that mark 语法笔记上的解释是D. and it marks….完整独立句子,构成run-on错误。可是08语法笔记上说 而run-on sentence的重点在于其改正方法: 1) 分为两个句子 2) 用一个逗号加上and, but, or或者其他并列连词 3) 两个句子中间使用分号 那这里不是就是第二种改法吗?不懂这个知识点,NN们帮帮忙吧! |
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