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标题: 大全51 [打印本页]

作者: crescent    时间: 2004-7-5 22:36
标题: 大全51

     According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.


(A) doubling those reported in the 1977 survey


(B) to double the number the 1977 survey reported


(C) twice those the 1977 survey reported


(D) twice as much as those reported in the 1977 survey


(E) twice the number reported in the 1977 survey



答案为E


E中twice为adj.时,后面the number ...作何成分?


作者: rt316    时间: 2004-7-6 00:46
twice是ad副词
作者: juan    时间: 2004-7-17 03:23

倍数+名词 是表达倍数的一个常用法。

可是突然发现twice 是副词,twice the number....副词能修饰名词???思想短路了。求教。


作者: rt316    时间: 2004-7-17 03:40
twice the number是that number is twice the number的省略形式
作者: juan    时间: 2004-7-17 03:48

谢谢stoneren GG,又是你回答我的问题。

在that number is twice the number这个句子中,twice修饰谁呢? the number? 或者是修饰 is? twice是副词,好象不能修饰the number吧? 这就是我的困惑......因为twice +名词实在用得很多。


作者: juan    时间: 2004-7-17 03:51
副词能修饰名词吗?
作者: rt316    时间: 2004-7-17 03:57

twice作为副词只能修饰动词或形容词,如果你注意的话会发现,在我们看到的绝大多数twice + n. 的结构中,这个短语本身都不是一个完整的句子,其实,这个短语绝大多数都是句子的简略;而twice作为标准句子的表达通常如下:Interest rates of our company are twice as high as those of our competitiors. 我们可以把这个句子改为:Interest rate of our company is 5%, twice as high as that of our competitors. 当然句子改的很不爽,但是可以区别出彼此的关系。




[此贴子已经被作者于2004-7-17 12:44:23编辑过]

作者: juan    时间: 2004-7-17 07:16

严重感谢stonere GG先.


我还是有问题:


从语法上讲,twice不能修饰名词,而从逻辑上讲,我觉得twice只能修饰名词the number呢.例如:Twice two is four.这里,twice修饰谁呢?修饰is吗?


再如GWD:


In 1914 a total of 469,000 cars and trucks were produced in the United States, but in 1929 almost twice the numbers of tucks alone came off the assembly lines.





  1. the numbers of tucks alone
  2. that number of trucks alone
  3. the number of trucks by themselves
  4. as many trucks themselves
  5. as many trucks by themselves

答案选B.  but后是个完整句子,  in 1929 almost twice that number of trucks alone came off the assembly lines. 这里twice又修饰谁呢? that number不是吗? 可是twice是副词,怎么能修饰that number 呢? 可是要理解成twice理解后面的came off好象很难呀......



还有就是这题大全51, twice the number reported in the 1977 survey.这里twice不是修饰the number吗?



心里很清楚 表倍数时 twice +名词 很常用.可对这个修饰就是无法理解.....stoneren GG再帮忙呀..... 无比感谢


[此贴子已经被作者于2004-7-17 10:00:21编辑过]

作者: rt316    时间: 2004-7-17 12:41
我查阅了longman的twice,有类似twice the number的还有size / rate / amount等等,我得出的结论是,类似的这些词本身含有强烈的数字含义,所以他们不必用twice as much/many as这种结构来表达数字概念的比较,换言之,这些结构看似名词比较,实质还是as much/many/etc as的比较,不过在上述词出现时,as ... as结构被省略了,但是twice的副词含义并没有因为as结构的省略而发生变化。
作者: juan    时间: 2004-7-17 12:49

看来只能这么理解了。反正就是记住:twice as many as/ twice +名词 两种固定表达。

非常感谢stoneren GG。每次都很细心认真地回答我的问题。谢谢你。


作者: Aisha_2007    时间: 2006-10-19 09:21
想问下,这里twice在句中做什么成份?
作者: youyi800    时间: 2007-8-12 15:56

虽然答案选的是E 可是不明白C为什么错 不可以用those指代young adults吗 

 


作者: 我爱周末    时间: 2008-7-23 07:03

OG-4中的double也是这个用法, double的词性和twice一样吗? 都是adv 吗?

4.         A survey by the National Council of Churches showed that in 1986 there were 20,736 female ministers, almost 9 percent of the nation's clergy, twice as much
                                as 1977.

D 选: double the figure for 1977






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