OG 153 VS OG 177句子焦点(句子重心)

153. A recording system was so secretly installed and operated in the Kennedy Oval Office that even Theodore C. Sorensen, the White House counsel, did not know it existed.

(A)   A recording system was so secretly installed and operated in the Kennedy Oval Office that

(B)    So secret was a recording system installation and operation in the Kennedy Oval Office

(C)    It was so secret that a recording system was installed and operated in the Kennedy Oval Office

(D)   A recording system that was so secretly installed and operated in the Kennedy Oval Office

(E)    Installed and operated so secretly in the Kennedy Oval Office was a recording system that

A, the best choice, correctly focuses upon the recording system by making it the straightforward subject of the sentence and the logical referent of the pronoun it in the last line. B makes installation and operation the subject, distorting the focus and leaving it without a clear referent. C distorts the focus with an awkward and confusing delayed subject construction. C also omits the conjunction that necessary to introduce the clause stating the result (even Sorenson did not know . . .). D, a long noun phrase with no finite verb, produces a fragment rather than a complete sentence. E awkwardly inverts the order of the subject and predicate in the main clause and thus cannot be logically connected to the remainder of the sentence.

OG上头的解释, 说 A选将焦点正确地放在recording system上,

偶想请教如何从原题中未划线的部分得知焦点所在呢?

像这题,B选如果句末有that,偶就无法排除它了.(虽然B选还有it无法指代的毛病,可是很有可能考试的时候,又把installation and operation视为一组( a pair )的名词而认为it可代)

类似的状况如

OG 177

(A)   So poorly educated and trained are many young recruits to the United States work force that

(B)   As poorly educated and trained as many young recruits to the United States work force are,

(C)   Because of many young recruits to the United States work force who are so poorly educated and trained,

(D)   That many young recruits to the United States work force are so poorly educated and trained is why

(E)   Many young recruits to the United States work force who are so poorly educated and trained explains why

A, the best choice, uses the idiomatic form So X that Y to establish a cause/effect relationship between clauses X and Y. In B, the subject of the as ... as clause (young recruits) should be the subject of the main clause as well (e.g., they). Furthermore, main clauses following concessive clauses must express a contrasting notion: for example, "As ill-prepared as they are, they nevertheless find good jobs." C offers a wordy, convoluted because clause. In D, the sentence form X is why is unidiomatic (X is the reason why would be idiomatic but needlessly wordy and awkward). E exhibits subject-verb disagreement: young recruits ... explains why.

倘若D选句末去掉is  why , 加上逗号 ,偶也会被混淆而认为是可以选的

请大家教偶如何看句子焦点(句子重心), 拜谢先

up

不对,不符合so..that结构，而且逗号前后不能有两个完整的主谓结构。

另外，我理解你所谓的句子中心，实际上应该说是句子逻辑主语的把握。

这我就没办法了，应该涉及到阅读能力和理解力。

两个建议，1是看白勇语法，白勇语法对句子结构的把握上说的很好

2，是看杨鹏难句，很多NN都说这是提高阅读能力的途径之一。

仅供参考

我想问问这个句子后边：did not know it existed.是什么用法？

谢谢

我也有浮云妹妹同样的疑惑，总觉得应该是did not know its existing才对。

或者可以理解成是省略了that的宾语从句？即：

even T did not know that it exited

或者把existed当作宾语补足语？

我怎么记得宾语从句的that不能省啊？

是我记错了吗。。。

是否可以这样理解，it是installed and operated，existed只是一个表被动的分词修饰it.

还是本来就是ETS的错误。

我不是很确定，有更准确的解释吗？

it还是应该指这个system吧，不应该指installed and operated呀。

顶一下，请指点did not know it existed 的用法！