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标题: GWD-23-Q31(TN 17-13) after habitat loss??? [打印本页]

作者: zshaoqing 时间: 2010-11-9 01:55
标题: GWD-23-Q31(TN 17-13) after habitat loss???

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.

A. threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems

B. threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems

C. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems

D. threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss

E. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat

不懂为什么会是after habitat loss，C不行么？？？

作者: sdcar2010 时间: 2010-11-9 02:05
-- after losing their habitat --

To whom is "their" referring to?

作者: zshaoqing 时间: 2010-11-9 02:33
不能是invasive plants 么

作者: sdcar2010 时间: 2010-11-9 06:17
If invasive plants lost their habitat, are they still INVASIVE plants?

作者: sisichen666 时间: 2012-9-8 15:45
their指代错误，应该是本土的动植物受到威胁，领地loss，而不是入侵的物种

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