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Scientists at the Los Alamos National Laboratory have succeeded for the first time in mining heat from the Earth's interior and producing energy on a commercial scale, enough for efficient generation of electricity and heating factories and homes.

正确答案: D

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一道好晕的SC题,,,请指点~~~~~~

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楼主
发表于 2007-8-22 13:58:00 | 只看该作者

一道好晕的SC题,,,请指点~~~~~~

Scientists at the Los Alamos National Laboratory have succeeded for the first time in mining heat from the Earth's interior and producing energy on a commercial scale, enough for efficient generation of electricity and heating factories and homes.

 

(A) and producing energy on a commercial scale, enough for efficient generation of electricity and heating

(B) and producing enough energy on a commercial scale for electricity to be generated efficiently and to heat

(C) for energy production on a commercial scale, enough for generating electricity efficiently and to heat

(D) to produce energy on a commercial scale, enough for generating electricity efficiently and for heating

(E) to produce enough energy on a commercial scale for efficient generation of electricity and heat            

 

答案是D,可是我觉得E也有道理啊...因为可以把最后的"and heat"看作是和前面的to produce的搭配,而且逻辑上也讲得通:科学家们第一次成功地挖掘了地热,这些地热既能满足电力的产生,也能为工厂和家庭供暖...这样想不对么???请高手指点!!!谢谢

 

沙发
发表于 2007-8-22 14:22:00 | 只看该作者

D:for generating electricity efficiently and
            for heating

and 前后连接的部分要平行,D选项就平行,且意思比较好理解

板凳
 楼主| 发表于 2007-8-22 18:15:00 | 只看该作者
可是如果是E的话也是平行的呀(和to produce平行),,,是不是表结果的to do A,如果后面要平行的话,就必须是to do B,而to do B里面的to不能省?
地板
发表于 2007-8-22 21:03:00 | 只看该作者

1.原题",enough for efficient generation of electricity and heating."语法上and应连接两个并列的结构.而E中to produce 和heat 平行,改变了句子结构,从而改变了句意

2.enough for efficient generation of electricity and heating是表示to produce energy on a commercial scale 的用途所以for 后应接动名词 generating ,heating表示使用而不用efficient.heat状态性名词 表状态

3.enough位置改变修饰成分不同意思不同

5#
 楼主| 发表于 2007-8-23 19:04:00 | 只看该作者

谢谢各位指点,,,我的新理解:

如果选E,,,,逻辑上,因为是和produce搭配,因此统统无法享受enough for的概念,变成了:科学家发现了地热,首次能够heat factories & homes,和A的意思也相去甚远了。

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