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标题: 请教一道关于less的一道语法题 [打印本页]

作者: wendy0000001 时间: 2009-3-18 22:58
标题: 请教一道关于less的一道语法题

Because natural gas is composed mostly of methan, a simple hydrocarbon, vehicles powered by natural gas emit less of certain pollutants than the burning of gasoline or diesel fuel.

B fewer of certain pollutants than burning gasoline or diesel fuel do.

C less of certain pollutants than gasoline or diesel fuel

D fewer of certain pollutants than does burning gasoline or siesel fuel.

E less of certain pollutants than those burning gasoline or diesel fuel.

答案 E

想问一下less可以修饰可数名词么？他和fewer的区别是什么？

为什么选E 不选C？

作者: alohabrian 时间: 2009-3-18 23:16
可以的，less of + singular/plural countable noun都可以。
Less of +countable 表示可数名词里不可数的"stuff"，比如这里表示污染物的量。

fewer可以表示可数名词种类少，也可以表示可数名词的数量少。

这里的用fewer还是less都可以的。

关键的考点在于比较结构的比较对象的问题。

D 的比较对象不对等。
Vehicle 和 burning gasoline or siesel fuel比较是不对的。必须Vehicles和those(指代vehicles）比较。车和车比。

当然咯，当比较主语的时候最好可以补出助动词 do,这样句子前后平行更好看，但是不补出 do也不错的。只要没有歧义。

[此贴子已经被作者于2009-3-18 23:20:12编辑过]

作者: alohabrian 时间: 2009-3-18 23:30
Prep-1-25



There is a widespread belief in the United States and Western Europe that young people have a smaller commitment to work and a career than their parents and grandparents and that the source of the change lies in the collapse of the "work ethic."

(A) a smaller commitment to work and a career than their parents and grandparents

(B) less of a commitment to work and a career than their parents and grandparents

(D) less of a commitment to work and a career than their parents and grandparents had

(E) a lessening of the commitment to work and a career that their parents and grandparents had

比如这句话 than之后只留一个宾语：有两种理解

1.young people have a smaller commitment to work and a career than （to) their parents and grandparents
2 young people have a smaller commitment to work and a career than had their parents and grandparents

有歧义时助动词补出，无歧义可省。

比较结构不用先考虑助动词问题，先看比较对象对等否？如果是主语比较：再看比较对像歧义否。满足以上，助动词随便补还是不补。但注意比较主语是这样考虑的。

如果比较宾语不需要补出助动词，补出算错，因为破坏parallelism。

[此贴子已经被作者于2009-3-18 23:39:55编辑过]

作者: tonylin0824 时间: 2009-3-19 17:33
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