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标题: 大全551 [打印本页]

作者: 马尔代夫 时间: 2006-5-15 13:08
标题: 大全551

551 Once positioned in space, the Hubble Space Telescope will capture light from sources twenty times fainter compared to those that can be detected by ground-based instruments.

(A) compared to those that can be detected

(B) compared to those they can detect

(D) than those that can be detected（D）

(E) than those detecting

答案是D,没有问题. 我想问 : D中的that是指代those吧, 那把(D)中的that省略改成 than those can be detected对吗?

[此贴子已经被作者于2006-5-15 13:08:59编辑过]

作者: gonghao 时间: 2006-5-15 13:37

light做不可数名词为什么用those不用that？

你的那个定语从句应该是对的

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