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标题: 这道题弄不懂 [打印本页]
作者: deezy 时间: 2009-2-20 20:44
标题: 这道题弄不懂
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
- Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
- Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
- Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
- Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
- Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.
答案是E,怎么感觉B也不错呢
作者: lcy19812000 时间: 2009-2-20 23:54
请问本题题号是什么?
B中500M species前缺少the,使得暗含了“世界上一共不止500M种species”的意思,而原句表达的意思是“世界上一共有500M种”,所以意思不对。
过去时表示动作发生在过去,并且已经完成,B中用appeared表示现在全都灭绝了,时态不对。
B和E都用了have vanished,表示灭绝的动作从以前到现在的一段时间都没完成,还在进行中,这时appear用与其平行的时态have appeared不会错。
[此贴子已经被作者于2009-2-20 23:55:18编辑过]
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