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which能单独引导状语从句吗

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which能单独引导状语从句吗
在考研作文里看到下面这几句话:
Why can some people achieve their goals even they are confronted with seemingly impossible tasks?I think faith works.These people believe in themselves,which can stimulate courage.With faith and ……
请问里面的which是单独引导状语从句吗,有这么用的吗?还是作其他的作用?
which能单独引导状语从句吗
从你的问题可以感觉到你对which引导的非限制性定语从句不是太了解,加了逗号使你觉得好象是一个独立的句子,其实不是,它仍然是一个附属于主句的从句.which引导非限制性定语从句时,既可以指代整个主句内容,也可以指代部分内容.如:
The sun heats the earth ,which makes it possible for plants to grow .
太阳给予大地热,这就使植物的生长成为可能.(which指代整个主句内容)
The most important form of energy is electrical energy ,which is widely used in our daily life .
最重要的能源形式是电能,它广泛地运用于我们的日常生活.(which指代先行词electrical energy).
你所给的例子就是which指代整个主句内容的用法.