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Scientists at the Los Alamos National Laboratory have

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Scientists at the Los Alamos National Laboratory have [#permalink]

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55% (01:05) correct 45% (00:25) wrong based on 11 sessions

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36. 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
[Reveal] Spoiler: OA

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Last edited by mau5 on 04 Dec 2013, 06:45, edited 1 time in total.
Added OA

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Re: SC. Los Alamos [#permalink]

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New post 03 May 2008, 01:33
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D looks best. Its parallel and it implies the correct meaning that the mining is done to produce enough electricity.

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Re: SC. Los Alamos [#permalink]

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Agree with D being best for ll in the second half portion
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Re: SC. Los Alamos [#permalink]

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New post 03 May 2008, 01:54
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D for me too. A comes close but modifies the meaning thus A is out.
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Re: SC. Los Alamos [#permalink]

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New post 03 May 2008, 04:44
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i went for D as well. It conveys the proper meaning (the scientists didnt generate heat on a commercial scale), and maintains parallelism.

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Re: SC. Los Alamos [#permalink]

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New post 03 May 2008, 18:53
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Thanks, OA is D

Can you say something about E?
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Re: SC. Los Alamos [#permalink]

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New post 03 May 2008, 19:05
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D for me.

+1 for great question.
This is a mess of misplaced modifiers and diction. What is heating the homes ? what is producing the heat ? I had to read it a few times to "get" the meaning. But once I understood the meaning, the question was easy to solve.

I interpret it as Scientists mined heat to produce energy --> which will heat factories and homes (and be efficient enough to do so).
Based on this interpretation, I can't look beyond D.
sondenso wrote:
36. 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

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Re: SC. Los Alamos [#permalink]

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New post 03 May 2008, 19:52
sondenso wrote:
Thanks, OA is D

Can you say something about E?


Something of A and B = Something of A and something of B.
here, efficient generation of electricity and heat factories = efficient generation of electricity
And efficient generation of heat factories That sounds funny.

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Re: SC. Los Alamos   [#permalink] 03 May 2008, 19:52
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