It is currently 23 Oct 2017, 08:42

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Leaching, the recovery of copper from the drainage water of

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
VP
VP
avatar
Joined: 17 Jun 2008
Posts: 1374

Kudos [?]: 406 [0], given: 0

Leaching, the recovery of copper from the drainage water of [#permalink]

Show Tags

New post 30 Aug 2008, 08:43
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions

HideShow timer Statistics

Leaching, the recovery of copper from the drainage water of mines, as a method of the
extraction of minerals, it was well established
as early as the eighteenth century, but until
about 25 years ago miners did not realize that bacteria take an active part in the process.

A. as a method of the extraction of minerals, it was well established

B. as a method of the extraction of minerals well established
C. was a well-established method of mineral extraction
D. was a well-established method of extracting mineral that was
E. had been a method of mineral extraction, well established

This is quite confusing
_________________

cheers
Its Now Or Never

Kudos [?]: 406 [0], given: 0

Director
Director
avatar
Joined: 10 Sep 2007
Posts: 934

Kudos [?]: 341 [0], given: 0

Re: SC3 [#permalink]

Show Tags

New post 30 Aug 2008, 09:21
A. as a method of the extraction of minerals, it was well established
"Leaching" and "It" two subjects in same sentence.

B. as a method of the extraction of minerals well established
Missing "verb".

C. was a well-established method of mineral extraction
Seems correct.

D. was a well-established method of extracting mineral that was
"was" used twice. Change in meaning also.

E. had been a method of mineral extraction, well established
Past perfect tense not needed.

Kudos [?]: 341 [0], given: 0

Current Student
User avatar
Joined: 11 May 2008
Posts: 555

Kudos [?]: 222 [0], given: 0

Re: SC3 [#permalink]

Show Tags

New post 30 Aug 2008, 09:37
abhijit_sen wrote:
A. as a method of the extraction of minerals, it was well established
"Leaching" and "It" two subjects in same sentence.

B. as a method of the extraction of minerals well established
Missing "verb".

C. was a well-established method of mineral extraction
Seems correct.

D. was a well-established method of extracting mineral that was
"was" used twice. Change in meaning also.

E. had been a method of mineral extraction, well established
Past perfect tense not needed.

here well established is what??? mineral extraction was well established or method was ??
also, had been ... hmmmm i think simple past in C i.e 'was' is ok
but in C, not sure of the phrase 'well-established method of mineral extraction'... but bet'n the two i'd opt for C.

Kudos [?]: 222 [0], given: 0

VP
VP
avatar
Joined: 17 Jun 2008
Posts: 1374

Kudos [?]: 406 [0], given: 0

Re: SC3 [#permalink]

Show Tags

New post 30 Aug 2008, 10:26
abhijit_sen wrote:
A. as a method of the extraction of minerals, it was well established
"Leaching" and "It" two subjects in same sentence.

B. as a method of the extraction of minerals well established
Missing "verb".

C. was a well-established method of mineral extraction
Seems correct.

D. was a well-established method of extracting mineral that was
"was" used twice. Change in meaning also.

E. had been a method of mineral extraction, well established
Past perfect tense not needed.



as early as eighteenth century in the sentence confused me
:( so i thought well established as early as eighteenth century .I can u elaborate this point a bit.

OA C
_________________

cheers
Its Now Or Never

Kudos [?]: 406 [0], given: 0

VP
VP
User avatar
Joined: 05 Jul 2008
Posts: 1402

Kudos [?]: 439 [0], given: 1

Re: SC3 [#permalink]

Show Tags

New post 30 Aug 2008, 10:32
If you take out the dependent clause in between ( the recovery of copper from the drainage water of mines) and read the sentence only C & D makes sense to start with.

Between C & D it is clearly C

D is awkward and uses modifier "that" which is not needed.

Kudos [?]: 439 [0], given: 1

Re: SC3   [#permalink] 30 Aug 2008, 10:32
Display posts from previous: Sort by

Leaching, the recovery of copper from the drainage water of

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.