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# Metallurgy, the process of refining metals from naturally mined ores,

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SVP
Joined: 14 Apr 2009
Posts: 2273
Location: New York, NY
Metallurgy, the process of refining metals from naturally mined ores,  [#permalink]

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10 Aug 2013, 09:59
3
5
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Difficulty:

45% (medium)

Question Stats:

59% (01:21) correct 41% (01:35) wrong based on 415 sessions

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Metallurgy, the process of refining metals from naturally mined ores, as a method of the moulding of metals, it was well known as early as the medieval period, but until about several decades ago workers did not realize that bacteria take an active part in the process.

(A) as a method of the moulding of metals, it was well-known

(B) as a method of the moulding of metals well-known

(C) was a well-known method of metal moulding

(D) was a well-known method of moulding metal that was

(E) had been a method of metal moulding, well-known

Original Source: Practice Pill Platform
Director
Joined: 14 Dec 2012
Posts: 703
Location: India
Concentration: General Management, Operations
GMAT 1: 700 Q50 V34
GPA: 3.6
Re: Metallurgy, the process of refining metals from naturally mined ores,  [#permalink]

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10 Aug 2013, 10:07
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GMATPill wrote:
Metallurgy, the process of refining metals from naturally mined ores, as a method of the moulding of metals, it was well known as early as the medieval period, but until about several decades ago workers did not realize that bacteria take an active part in the process.

(A) as a method of the moulding of metals, it was well-known

(B) as a method of the moulding of metals well-known

(C) was a well-known method of metal moulding

(D) was a well-known method of moulding metal that was

(E) had been a method of metal moulding, well-known

Original Source: Practice Pill Platform

Metallurgy, the process of refining metals from naturally mined ores, as a method of the moulding of metals, it was well known as early as the medieval period, but until about several decades ago workers did not realize that bacteria take an active part in the process.

striked part is a modifier ..now if we read this sentence ....we can easily make out that there is no verb for the subject metallurgy.
hence this wrong.
basing this error ...we can easily eliminate option A and B.
OPTION E is wrong because of use of past perfect ..which is not required here..hence wrong.
now left with option C and D

(C) was a well-known method of metal moulding==>CORRECT

(D) was a well-known method of moulding metal that was==>THAT WAS as early as the medieval period==>THIS DOESNT MAKES SENSE as pronoun THAT is refering to METAL.

hence C
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Re: Metallurgy, the process of refining metals from naturally mined ores,  [#permalink]

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09 Oct 2018, 16:07
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Metallurgy, the process of refining metals from naturally mined ores,   [#permalink] 09 Oct 2018, 16:07
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