Sat语法题求解It underlies the poem that human beings are free to choose and may be blamed for their choices.A) It underlies the poem ---------->it is a vague pronounB) In the poem,they assumed --------------->they is a vague pronounC) In the poe

Sat语法题求解It underlies the poem that human beings are free to choose and may be blamed for their choices.A) It underlies the poem ---------->it is a vague pronounB) In the poem,they assumed --------------->they is a vague pronounC) In the poe
Sat语法题求解
It underlies the poem that human beings are free to choose and may be blamed for their choices.
A) It underlies the poem ---------->it is a vague pronoun
B) In the poem,they assumed --------------->they is a vague pronoun
C) In the poem,a basic assumption which is made is -------------->无视他
D) It is an assumption that underlies the poem ----------->wordiness
E) The basic assumption of the poem is ---------->this is the correct choice
综上所述,看起来形式主语好像并不是令人满意的用法.但是在下面这一道题中,形式主语成了正确的选项.
第二题（OC3-10-1)
A recent discovery is the finding that people who both drink and smoke blah blah blah than blur blur blur.
A) A recent discovery is the finding that ------------> wordiness
B) A recent discovery came when they learned that ----------> vague pronoun
C) Recently,a finding is that -------------->我选的是这个,但OC解释说这个是 ineffective usage.
D) It has recently been discovered that -----> this is the correct choice
E) It is a recent dicovery that ----------> wordiness

Sat语法题求解It underlies the poem that human beings are free to choose and may be blamed for their choices.A) It underlies the poem ---------->it is a vague pronounB) In the poem,they assumed --------------->they is a vague pronounC) In the poe
这两道题说实话,你已经知道解释了.是可以做出正确答案了.
但是你的问题是,关于形式主语是否可以使用的问题.
从sat语法的角度来看、很简单,你去读一下语法部分的题目说明就行.
里面说要根据standard written English,并且,要求是correctness 和effectiveness
意思是说,在语法都正确的情况下,要选择最effective的那个选项.换句话说就是有效性.
也就是说,如若其他选项都有语法错误,那么如果仅剩下的选项即使啰嗦,也是唯一正确的选项.
如果在排除了语法错误之后,剩下的选项并不唯一,那么要从剩下的选项中选出表达最简洁有效的选项.
对于你的问题就是,第一题中D跟E比,E更简洁有效
第二题中A选项有重复.E选项其实不是啰嗦.这个OC的官方解释中是说,E选项改变了句子意思.忽略了最近发现这样的一个事实.所以D选项是正确的选项.

形式主语不能说是绝对的对或者错，只能根据具体题目判断。比如说第一题里面，如果有直接的明确的主语（the basic assumption），那么形式主语的确显得啰嗦。但是第二题里面你选的那个选项根本就不是个句子，应该说recently there is a finding that...... C选项不是英语的用法，完全错误，所以只能选形式主语...

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形式主语不能说是绝对的对或者错，只能根据具体题目判断。比如说第一题里面，如果有直接的明确的主语（the basic assumption），那么形式主语的确显得啰嗦。但是第二题里面你选的那个选项根本就不是个句子，应该说recently there is a finding that...... C选项不是英语的用法，完全错误，所以只能选形式主语

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第一题其他选项明显错，只能选最后一个了。
第二题A recent discovery是主语， is为系动词 ，the finding 是表语，that people who both等等等等是finding的同位语。
将C选项代入后 成不了句子people who both…………………… is a finding.
然后将D带入来看
It has recently...

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第一题其他选项明显错，只能选最后一个了。
第二题A recent discovery是主语， is为系动词 ，the finding 是表语，that people who both等等等等是finding的同位语。
将C选项代入后 成不了句子people who both…………………… is a finding.
然后将D带入来看
It has recently been discovered 　that people ………………。
它的主动语态形式是people who both ……………………　has recently been discovered
这样就没有问题 所以选D

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