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标题: 讨论几道大白皮上的语法题 [打印本页]

作者: jessie    时间: 2002-9-1 21:09     标题: 讨论几道大白皮上的语法题

我是新手, 请大家多多指教啦!

这是一组类似的题:
1.Bob Wilber became Sidney Bechet's student and protege when he was nineteen and, for a few years in the 1940's, came as close to being a carbon copy of the jazz virtusos in performance (as anyone has ever come).
A>
B> as anyone ever had been

the answer is A.

2.Never before in the history of music have musical superstars been able to command (so extraordinary fees of the kind they do today).
A>
B>so extraordinary fees as they are today
C>such extraordinary fees as they do today

此题之前已被贴过, 放在这里想做个对比. the answer is C.

我的理解是, 第2题之所以选C, 是因为be able to 不是中心词, 而command才是. 但这样就无法解释第一题, 因为似乎come to不是中心词, 而be才是. 所以对于这类题究竟如何判断补出的助动词, 请各位大虾指教!
还有关于第一题的时态. 句中强调了in the 1940's, 为何过完时是错误的?

谢谢先!
作者: princess    时间: 2002-9-4 13:26

第一题的时态其实根据题目并不能确定,也可以看成是Bob Wilber和迄今为止其他人的比较.你可以仔细体会一下.B中ever的位置不对.至于中心词的问题,还请其他高手回答.(我觉得两句的中心词分别是came和be able to)
作者: brigittew    时间: 2002-9-4 14:56

1,the reason i thought that not use past participle tense here is the time adverb; there is no implicit or definite time to infer things happened before the action of main verb 'came'here.
作者: brigittew    时间: 2002-9-4 14:59

2, the correct phrase here is such + adj.+n.as....
作者: kanecao    时间: 2002-9-9 12:34

关于比较中的比较转移的问题:

比较转移是指比较的对象不是句子的谓语,而是非谓语,尤其是作宾语的不定式。许多人用中心词和核心词的概念来解释这种比较。我认为应从GMAT中SC最讲究的逻辑合理性的角度来理解。在这类比较转移的比较中,句子要比较的是非谓语的部分,而不是谓语部分。一般来说,用比较转移是因为谓语部分无比较的意义,或者不能作比较,或者是逻辑上不是作者想要强调的重点。例如,这里的第二句中,句子要比较的是宾语中的command(敛财)多少,而不是要比较谓语be able(能力)的大小,因为要be able,第一,无意义,第二,不能说明问题。还是command(敛财)多少有实打实的数据,可以比较。

这种转移后的比较由于是比较非谓语动词,因此,不管主句用什么助动词,比较从句中省略形式总是do或does或did,而错误选项中,总会用一些与主语对应的助动词来迷惑。

而第一句中的to是介词,而不是非谓语动词的标志,因而不能担任比较。


类似的有下列一句:

Inflation has made many Americans reevaluate their assumptions about the future; (they still expect to live better than their parents have), but no so well as they once thought they could.

(A). they still expect to live better than their parents have
(B). they still expect to live better than their parents did
(C). they still expect to live better than their parents had
(D). still expecting to live better than their parents had
(E). still expecting to live better than did their parents

这一句中也有比较转移,比较的是不定式中的live而不是谓语中的expect,因此B对。A,C是迷惑项,但都不对,即使是比较expect也不对,现在完成和过去完成都不能成立。其实,ETS的SC题正确的选项往往可以从两个或两个以上的角度来判断。比如这题中,D和E是明显不对,A和C,由于完成时不成立,都不正确。这种只有B正确。因此,这题如不知道比较转移也能做对。但如知道比较转移,就能很快解决。




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