OG152中would的用法 - ChaseDream

(A) it would kill vast numbers of humans who would have no natural defenses against it

解释中的最后一句话In addition, choices B, D, and E lack would and thus do not express the conditional

问题一：不是有一个表示虚拟的might动词了吗？再按照解释所说的加上would不就重复了。

问题二：就D来在WHO后面加上would作为虚拟动词表示条件，但是用would表示条件或者含蓄条件时，都是用在主句上的，例如if v-ed, …would v.句型，it would be pity to miss the play（如果错过了这场戏，将是非常遗憾的），大家有看过表示虚拟的动词用在丛句中吗？

1. 这个would是在以who引导的从句里的. 主句与从句怎么可以共用一个虚拟语气词.

顶一下，大家帮帮忙，我确实觉得在条件从句中没有用would来表示虚拟的！

Vast numbers of humans would have no natural defenses against "Andromeda strain" and would die of it, if scientists inadvertently created it by applying the gene-splicing technique which was invented in the early 1970's.

这个才是句子结构,就是说,你所说的这个would在这里并不是在条件状语从句中的. 句中划线部分整个是humans 的定语从句,而所谓的虚拟是在这个名次性从句中的主句里面,不知道我解释清楚了没有.(如果发生这样的事,相当一部分人类将会没有抵抗力而将面临死亡,因为这样的事没有发生,所以虚拟发生的条件)

以下是引用giantbaby在2005-6-16 8:47:00的发言：

When the technique known as gene-splicing was invented in the early 1970's, it was feared that scientists might inadvertently create an "Andromeda strain," a microbe never before seen on Earth that might escape from the laboratory and it would kill vast numbers of humans who would have no natural defenses against it.

问题一：不是有一个表示虚拟的might动词了吗？再按照解释所说的加上would不就重复了。

句子的原意是it was feared that scientists might create a microbe that might escape and kill humans. 后面who 引导的名词性从句修饰humans, 与might 不相干.

我理解would在非真实条件和含蓄条件从句中用在主句中情况,与此题用于who引导的名词性从句中用法一致. would 在此题中并没有用在条件状语从句中.