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标题: gwd-23-3 [打印本页]

作者: missgmat 时间: 2006-12-22 02:55
标题: gwd-23-3

Q31:

According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.

threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems
threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems
threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems
threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss
threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat

why A, not C?

作者: Iawfy 时间: 2006-12-22 03:35
那先说说你为什么就觉得C比A好呢？

作者: abort 时间: 2006-12-22 13:04
原文的意思是说invasive plants are the second most serious threat, 而 habitat loss is the first most serious threat
如果象c所说的after losing their habitat，就跟invasive plants不平行了

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