GWD-18-Q39

y2k01y2ko1 · 发表于 2011-1-14 22:10:04

GWD-18-Q39:
The survival of a rare New Zealand species of mistletoe that produces spectacular sprays of scarlet flowers is threatened both because their leaves are extremely tasty to a voracious opossum species and also because their flowers are pollinated by two species of birds whose populations are in decline.
A. is threatened both because their leaves are extremely tasty to a voracious opossum species and also because their
B. is threatened both because its leaves are extremely tasty to a voracious opossum species and because its
C. is threatened both because its leaves are extremely tasty to a voracious opossum species and also its
D. are threatened both because its leaves are extremely tasty to a voracious opossum species and its
E. are threatened both because their leaves are extremely tasty to a voracious opossum species and because their
正确答案是B.那个its代什么？不会产生歧义么？请NN解释！！

y2k01y2ko1 · 发表于 2011-1-15 09:48:31

Lacus · 发表于 2011-1-15 10:58:32

主语是单数的，所以A/D/E都不对；
然后看B、C：
B:both because X and because Y
C: both because X and also Y
有and表明有平行，B的平行是both下两个because解释的原因平行；而C的平行是because下的平行，C要想正确，得写成because both X and also Y才可以算对。相比之下B更合理。

y2k01y2ko1 · 发表于 2011-1-15 15:19:39

所以 its 指的是a rare New Zealand species ？？

mboo2005 · 发表于 2011-1-15 20:50:48

我理解，its代指这段话的主语。
x is threatened both because its leaves ... and because its flowers ..

its代指x吧

y2k01y2ko1 · 发表于 2011-1-16 20:11:28

y2k01y2ko1 · 发表于 2011-1-17 19:37:32

ing315 · 发表于 2011-1-17 23:56:15

Actually there is only one that its can refer to---the animal. Because flowers,sprays are all in plural form.

jsu2008 · 发表于 2011-1-18 15:24:02

it refers to a rare New Zealand species of mistletoe .

本贴相关题目 TN-16-SC-23 (GHJF)

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