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# In the years since the city of London imposed strict

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Joined: 22 Nov 2007
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In the years since the city of London imposed strict [#permalink]

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28 Jan 2008, 06:27
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In the years since the city of London imposed strict air-pollution regulations on local industry, the number of bird species seen in and around London has increased dramatically. Similar air-pollution rules should be imposed in other major cities.
Each of the following is an assumption made in the argument above EXCEPT:
(A) In most major cities, air-pollution problems are caused almost entirely by local industry.
(B) Air-pollution regulations on industry have a significant impact on the quality of the air.
(C) The air-pollution problems of other major cities are basically similar to those once suffered by London.
(D) An increase in the number of bird species in and around a city is desirable.
(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area.

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Director
Joined: 30 Jun 2007
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29 Jan 2008, 01:07
1
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Rephrase: Which of the following is not an assumption made in the argument:

(A) In most major cities, air-pollution problems are caused almost entirely by local industry. (This cannot be a assumption – note extreme statement “almost caused” – Hold it)

(B) Air-pollution regulations on industry have a significant impact on the quality of the air. (This is a potential assumption – Eliminate it)

(C) The air-pollution problems of other major cities are basically similar to those once suffered by London. (This is a potential assumption – Eliminate it)

(D) An increase in the number of bird species in and around a city is desirable. (This is a potential assumption – Eliminate it)

(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area. (Potentially, this may fall into assumption – Eliminate it)

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Senior Manager
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28 Jan 2008, 12:48
marcodonzelli wrote:
In the years since the city of London imposed strict air-pollution regulations on local industry, the number of bird species seen in and around London has increased dramatically. Similar air-pollution rules should be imposed in other major cities.
Each of the following is an assumption made in the argument above EXCEPT:
(A) In most major cities, air-pollution problems are caused almost entirely by local industry. (Yes)
(B) Air-pollution regulations on industry have a significant impact on the quality of the air. (Yes)
(C) The air-pollution problems of other major cities are basically similar to those once suffered by London. (Yes)
(D) An increase in the number of bird species in and around a city is desirable. (Yes)
(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area. (No)

E should be it.

Whats OA ?
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CEO
Joined: 17 Nov 2007
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Schools: Chicago (Booth) - Class of 2011
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28 Jan 2008, 13:01
E too

In the years since the city of London imposed strict air-pollution regulations on local industry, (A)(B) the number of bird species seen in and around London has increased dramatically. (A)(C) Similar air-pollution rules (D) should be imposed in other major cities.

Each of the following is an assumption made in the argument above EXCEPT:

(A) In most major cities, air-pollution problems are caused almost entirely by local industry.
(B) Air-pollution regulations on industry have a significant impact on the quality of the air.
(C) The air-pollution problems of other major cities are basically similar to those once suffered by London.
(D) An increase in the number of bird species in and around a city is desirable.
(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area.
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Manager
Joined: 07 Jan 2008
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28 Jan 2008, 14:32
Clear E.
All the others r assumption which contrubute to the conculsion.

OA??

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Manager
Joined: 08 Feb 2006
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28 Jan 2008, 19:01
Another E here.
May the OA be E.

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CEO
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29 Jan 2008, 02:41
OA is A.

11-t45627
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Re: cr 1000 2   [#permalink] 29 Jan 2008, 02:41
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