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标题: GWD-18-39 [打印本页]

作者: eSpirit 时间: 2005-11-21 18:41
标题: GWD-18-39

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.

is threatened both because their leaves are extremely tasty to a voracious opossum species and also because their

is threatened both because its leaves are extremely tasty to a voracious opossum species and because its

is threatened both because its leaves are extremely tasty to a voracious opossum species and also its

are threatened both because its leaves are extremely tasty to a voracious opossum species and its

are threatened both because their leaves are extremely tasty to a voracious opossum species and because their

答案是B，我选了A。

想请教species of mistleteo对应的代词应该是单数还是复数？

作者: laihong 时间: 2005-11-21 18:50
A不对,both...and...要接等同的并列成分,A中also多了,其次 its指 mistletoe

作者: joe11 时间: 2005-11-22 02:45

原文已经说明了 a (rare New Zealand) species, 单数

spe‧cies W3

plural species [countable]

HB a group of animals or plants whose members are similar and can breed together to produce young animals or plants:

Seven species of birds of prey have been observed.

pandas and other endangered species (=ones that may soon no longer exist)

作者: babypigsxm 时间: 2006-8-5 16:25
A中两个their指代了单数的mistletoe错误了

作者: yangxuemei0111 时间: 2006-10-20 03:15
o ,原来是这样

作者: claire_wen 时间: 2006-11-11 21:54

為什麼不能選C呢?

我看不出來有沒有加上because會有很大差別..

作者: jimmyxuduosi 时间: 2008-5-2 18:20
both, and,好 both, and also中的also多余了

作者: xingxing23 时间: 2008-5-2 20:53

both because.... and because... 这样才平行，其他的楼上的都讲了

作者: tonylin0824 时间: 2009-3-29 22:19
up

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