作业帮英语从句省略A liquid that might be a poor conductor when pure is often used to make solutions that readily transmit electricity.请问在本句话的从句中（即when后的句子里）为什么形容词pure可以作主语?为什么不写成pu
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英语从句省略A liquid that might be a poor conductor when pure is often used to make solutions that readily transmit electricity.请问在本句话的从句中（即when后的句子里）为什么形容词pure可以作主语?为什么不写成pu
英语从句省略
A liquid that might be a poor conductor when pure is often used to make solutions that readily transmit electricity.请问在本句话的从句中（即when后的句子里）为什么形容词pure可以作主语?为什么不写成purity?
如果 when后省略了 it is那整句话是不是应该变成：A liquid that might be a poor conductor when it is pure that is often used to make solutions that readily transmit electricity.但如果这样算起来that就是第二个从句的引导词,为什么也能省略?这样不就变成一个句子中有两个谓语的错误用法了吗?还是应该这样理解：分析英语语法时,句子中的省略成分可以不再考虑范围内?
英语从句省略A liquid that might be a poor conductor when pure is often used to make solutions that readily transmit electricity.请问在本句话的从句中（即when后的句子里）为什么形容词pure可以作主语?为什么不写成pu
个人认为A liquid is often used to make solutions that readily transmit electricity.是主句,而 that might be a poor conductor when（ it is) pure 是从句,修饰里面的 liquid.
a liquid (that might be a poor conductor when pure) is often used to make solutions that readily ...
这样楼主懂了吧？