爱华网四、what 相当于 that which 或 the thing (或 things) that (或 which) 的意思，也可引出主语从句、宾语从句和表语从句
What (= The thing that) has been said above is very important. 以上所说的(事情)是很重要的。(主语从句)
This is not what (= the thing which) I meant. 这不是我的本意。(表语从句)
We can and we will do what (=the thing which) we long to do. We will be what we desire to be. 我们能够而且决心做自己想做的事。我们要做自己理想中的人。(前一句中 what 从句为宾语从句，后一句中 what 从句为表语从句。)
There is some truth in what (= the thing that) he has just said. 他刚才讲的多少有点道理。(介词的宾语从句)
This factory is different from what it was be fore. 这个工厂和它原先样子不同。(介词的宾语从句。what 在从句中作表语。)
The output of our multistate corporation is now three times what it was three years ago. 我们的跨国公司目前的产量是三年前的三倍。(what 从句是表语从句，顶一个名词，而 three times 为定语，修饰这个“名词”。)
We have made the factory what it is today. 我们已使工厂变成今天这样的规模。(what从句在句中作宾语补语。)
What is it you don't like about winter weather? 你不喜欢冬天天气的哪一点呢?(句中what 作表语，it 后省略了that. 本句为 "it is… that" 强调结构的疑问句形式。)
Gravity is what makes you weigh what you weigh. 地心吸力使你秤得你现有的重量。(第一个 what 引出表语从句，而第二个 what 从句则作宾语补语 weigh 的状语。)
The modern conception of computers is not what it used to be in the past thirty years. 计算机的现代概念已不是过去 30 年的那种概念了。
五、what 作定语，却无疑问词含意，而表示 as much (或 many) as 或 any (或 all)… that 之意
We will give him what support I can. = I will give him as much support as I can. 我们将尽我的能力支持他。(can 后省略 give.)
Please show him what pictures (或 all the pictures) that you have taken. 请将你拍的全部照片拿给他看。(what 还可用 what ever pictures 代替，后者表示“无论什么样的照片”。)
She may operate what computers there are left in the room. 凡属本房间内的计算机她都可以操作。
Please lend me what(或 whatever)reference books you have on this subject. 请借给我你所有的有关这个课题的参考书。
注 1：注意“what + few 或 little + 名词”结构，这时表示“少”的意思。例如：
1)What few friends I have here have been very kind to him. 这里的朋友待他好的太少了!
2)What little milk she has poured in the glass. 她倒入玻璃杯里的牛奶太少了!
六、what 作感叹词用，修饰可数名词单数时，必须用不定冠词
What a wide foot bridge it is! 这是座多么宽的步行桥啊!
What a beautiful house she lives in! 她住的房子多么漂亮啊!
What a long way from Beijing to Shanghai! 从北京到上海是一条多么长的路程啊!
What wonderful new-type multimedia computers the scientists can invent! 科学家能发明多么奇妙的新型的多媒体计算机啊!
七、what 可引出比较状语从句，这时 what 可用 as 来代替
We students are to the cause of world peace what (或 as) a screw is to a machine. 我们学生的作用对于世界和平事业来说，犹如一台机器上的一颗螺丝钉。
This nucleus is to the cell what Beijing is to China, and London to Britain. 细胞核对于细胞来说，犹同北京对中国以及伦敦对英国。
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