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小女公子

Carnivorous mammals can endure what would otherwise be lethal levels of body heat because they have a heat-exchange network which kept the brain from getting too hot.

(A) which kept

(B) that keeps

(C) which has kept

(D) that has been keeping（B）

(E) having kept

Which不能引导限定修饰，that不能引导非限定，

所以只能是 n , which

and

n that对吗？

[此贴子已经被作者于2005-4-23 23:15:22编辑过]

Avantasia

楼主注意发贴的各式, 请用大全的标准题号, 谢谢合作.

小女公子

不好意思

小女公子

up

zhoushao

以下是引用小女公子在2005-4-22 23:05:00的发言：

Carnivorous mammals can endure what would otherwise be lethal levels of body heat because they have a heat-exchange network which kept the brain from getting too hot.

(A) which kept

(B) that keeps

(C) which has kept

(D) that has been keeping（B）

(E) having kept

Which不能引导限定修饰，that不能引导非限定，

所以只能是 n , which

and

n that对吗？

Which不能引导限定修饰

这句话哪里有讲

我认为这题得错误在于时态错

整个句子有事用的一般时，表示客观存在得事实，应该用一般现在时啊，所以只能选B