一个题求解

honda566 · 发表于 2017-5-9 15:59:02

[size=14.007px]The number of plant and animal species that [size=14.0084px]humans are known to have forced to extinction[size=14.007px] in the last half millennium is over 800.

[size=14.007px]a.
[size=14.007px]b. humans are known as having forced to become extinct.
[size=14.007px]c. humans are known for forcing to become extinct.
[size=14.007px]d. are known that humans forced to become extinct.
[size=14.007px]e. are known as having forced to extinction by humans.
[size=14.007px]

[size=14.007px]A选项，我觉得整个划线部分修饰前面的species
[size=14.007px] be known to 不是应该表示被动吗，为啥是人被所熟知。
[size=14.007px] 还有一种理解，我觉得是humans are known 来修饰species,但是这样不应该加be动词啊。
[size=14.007px]求助！！！！！

f7chen · 发表于 2017-5-10 03:22:08

我觉得a选项不是修饰前面的species，这里的that应该是宾语从句，是人类导致一定数量的植物和动物灭绝
be known to是因为。。。出名，那么就是人来出了名的经常使得动物的植物灭绝
humans are known to have forced the number of plant and animal species to extinction 这是我的理解

honda566 · 发表于 2017-5-10 11:45:24

f7chen 发表于 2017-5-10 03:22
我觉得a选项不是修饰前面的species，这里的that应该是宾语从句，是人类导致一定数量的植物和动物灭绝
be kn ...

Mark一下！

[SC悬赏令] 一个题求解

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