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GMATPREP- Thermostat

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nitindas
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GMATPREP- Thermostat [#permalink] New post   29 Mar 2009, 04:17
00:00
A
B
C
D
E

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Thermostat



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Re: GMATPREP- Thermostat [#permalink] New post   29 Mar 2009, 04:26
B is wrong as in usage of "while"
C - "act as" same as above and it wrongly used
D is wrong - since "even though" follows "Allthough", which is wrong usage
E - "Although" and "but"

A is the correct answer. What is the OA?
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Re: GMATPREP- Thermostat [#permalink] New post   29 Mar 2009, 04:43
Can somebody explain why usage of 'while' is incorrect.
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Re: GMATPREP- Thermostat [#permalink] New post   29 Mar 2009, 05:38
The middle part is in between 2 parts of a sentence. Hence, "Although" and "while" don't go together. Just remove the middle part between the commas and try reading the sentence. You will get my point.
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Re: GMATPREP- Thermostat [#permalink] New post   29 Mar 2009, 19:14
Is it A?

To have contrast with although we need present tense with they after the ','. Only A fulfills that requirement.
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Re: GMATPREP- Thermostat [#permalink] New post   03 Apr 2009, 15:45
I think its E because first part of the sentence is benefiting Earth and second part is hurting Earth. Therefore, but is required to show contrast.
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Re: GMATPREP- Thermostat [#permalink] New post   03 Apr 2009, 19:27
It has to be A. None of the others are complete thoughts.
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Re: GMATPREP- Thermostat [#permalink] New post   04 Apr 2009, 16:27
Second thought, although and but don't go together, should be A. What's OA?
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Re: GMATPREP- Thermostat [#permalink] New post   05 Apr 2009, 04:31
nitindas wrote:
Can somebody explain why usage of 'while' is incorrect.

Try to understand the meaning of the sentence and author's intention first.

Both "although" and "while" introduces dependent clause - you can't have sentence comprising subordinate clauses only.
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Re: GMATPREP- Thermostat [#permalink] New post   09 Apr 2009, 23:41
I think its E because,

A , B and C its unclear who does what...
D 'it' is not required.
E remains
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Re: GMATPREP- Thermostat [#permalink] New post   10 Apr 2009, 08:31
vaivish1723 wrote:
I think its E because,

A , B and C its unclear who does what...
D 'it' is not required.
E remains



Although and but dont go together.
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Re: GMATPREP- Thermostat [#permalink] New post   10 Apr 2009, 13:25
Only A seems to be grammatically correct.



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Re: GMATPREP- Thermostat [#permalink]
10 Apr 2009, 13:25
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