分析句子结构,为什么不要it?When we speak of a basic human need we mean something which is necessary to life,something we cannot possibly do ____.A.without B.without it 为什么选A?能分析下句子结构吗?

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分析句子结构,为什么不要it?Whenwespeakofabasichumanneedwemeansomethingwhichisnecessarytolife,somethingwecannotpo

分析句子结构,为什么不要it?When we speak of a basic human need we mean something which is necessary to life,something we cannot possibly do ____.A.without B.without it 为什么选A?能分析下句子结构吗?
分析句子结构,为什么不要it?
When we speak of a basic human need we mean something which is necessary to life,something we cannot possibly do ____.
A.without B.without it
为什么选A?能分析下句子结构吗?

分析句子结构,为什么不要it?When we speak of a basic human need we mean something which is necessary to life,something we cannot possibly do ____.A.without B.without it 为什么选A?能分析下句子结构吗?
求解一道英语选择题,分析句子结构,为什么不要it?检举 | 59 分钟前凌无若 | 30 | 浏览次数：33次
When we speak of a basic human need we mean something which is necessary to life,something we cannot possibly do ____.
A.without B.without it
为什么选A?能分析下句子结构吗?
答：something you cannot do without.中something后跟的是一个定语从句,关系词that因为是作without 的宾语的,所以省略了.这里的do是不及物动词,意为"运行",“生活下去”.如：
We can do without a mobileh phone,but we can't do without food and water.
查一下词典吧：
do without (sb/sth)
(used esp with can and could 尤与can和could连用) manage without sb/sth 不用或没有某人[某事物]也行
He can't do without (the services of) a secretary.他不能没有秘书（的协助）.
If we can't afford a car,we'll just have to do without (one).我们要是买不起汽车,也就只好不用（汽车）了.
I could have done without being (ie I wish I hadn't been) woken up at 3 o'clock in the morning.其实用不着在清晨3点钟就把我叫醒吧.

something就是without 的宾语
we cannot possibly do without sth

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如果多了个it 那么这个句子就有两个宾语,重复了
就如楼上所说的
按照你的分析something which we cannot possibly do （something） without it.
something .......without it
这里something就等于it..后面的it是多余的.
we cannot possibly do ____.这个同位语从句修饰的就是something
又如:
Water is something important we can not live without.
如果硬要用it,那么可以换成
Water is important,without it,we can not live.
若有错请指点

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句子中something指代人类的基本需要（必需品）所以后半句正常应该是 we cannot do without these basic needs（即题中的something）. 意思是没有这些必需品我们可能什么也做不了。所以改写成定语从句应该是 something （that）we cannot possibly do without
希望对您有帮助...

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因为something是 without的宾语。所以不需要it。

without是介词，后面加的是宾语。这里修饰的宾语是something，不需要再后面加it了。本来的意思就是。we cannot possibly do without something.

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