请教PREP2 69

niswzzhn · 发表于 2007-12-20 23:26:00

69. (28208-!-item-!-188;#058&003886)

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

答案是E，可是我想问E选项的that mark修饰的是谁啊？应该就近修饰extinctions吧？可是在这里我觉得应该修饰event，谢谢大家。

prayer · 发表于 2007-12-20 23:40:00

以下是引用niswzzhn在2007-12-20 23:26:00的发言：

69. (28208-!-item-!-188;#058&003886)

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

答案是E，可是我想问E选项的that mark修饰的是谁啊？应该就近修饰extinctions吧？可是在这里我觉得应该修饰event，谢谢大家。

an event是前面天体碰撞的同位语，而mark的主语应该是动植物灭绝，只有动植物灭绝了才能标志一个时代的结束，你不能说天体碰撞标志那个时代结束

prayer · 发表于 2007-12-20 23:40:00

因为那些动植物具有那个时代的特征

4ps · 发表于 2007-12-21 00:33:00

E中如果是修饰event要用marks吧

4ps · 发表于 2007-12-21 00:33:00

E中如果是修饰event要用marks吧

niswzzhn · 发表于 2007-12-21 12:40:00

谢谢楼上的各位，我看成D选项的marks了！

请教PREP2 69

请教PREP2 69

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