为何要加个it呢?

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为何要加个it呢?

为何要加个it呢?
为何要加个it呢?
 

为何要加个it呢?
...which is what it takes to drive away depression...正确!
1)which指代主句中的great passion.
2)it指代to drive away depression,it是形式主语,不定式是真正的主语.
3)take意思是需要.
4)连起来翻译就是“激情是驱散消极情绪需要的东西”.
5)如果还是不理解,那可以这样讲解(以下句子由易到难排列):
a.To drive away depression takes great passion.(A takes B.A需要B.)
b.It takes great passion to drive away depression.(It takes sth.to do sth.做某事需要某物.it指代to do sth.)
c.Great passion is what it takes to drive away depression.(A is what it takes to do sth.A是做某事需要的东西.what意思是”……的东西“.)

简单来说就是在形容loud voice represents great passion for what you are reading 缩写吧

图片上的句子为: which is what it takes to drive away depression, tiredness and any other negative emotion. (take)
句子结构分析:which 引导非限制性定语从句修饰整句,which作主语,系动词是IS,what从句作表语。
从句中it 作形式主语,谓语是takes,宾语是WHAT,真...

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图片上的句子为: which is what it takes to drive away depression, tiredness and any other negative emotion. (take)
句子结构分析:which 引导非限制性定语从句修饰整句,which作主语,系动词是IS,what从句作表语。
从句中it 作形式主语,谓语是takes,宾语是WHAT,真正的主语是较长的不定式短语to drive away...到句末。
所以必须加IT
答题技巧:看到较长的不定式短语时一定要想到使用形式主语it,这是英语的习惯!
另:
2011年10月25日的New York Times 纽约时报电子版有类似的用法
But it is not even within shouting distance of 90,which is what it takes tosignal that the economy is on solid footing.
望采纳

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it takes/took (sb/sometime) to do sth固定用法