Chinese Scientist

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piyush_nitt: Master | Next Rank: 500 Posts; Posts: 424; Joined: Sun Dec 07, 2008 5:15 pm; Location: Sydney; Thanked: 12 times

by piyush_nitt » Thu Feb 19, 2009 1:09 pm

Birds' feathers appear to have evolved from dinosaur scales well over 100 million years ago, <Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.>

A) Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.

B) Chinese scientists have shown a fossil bird found in the Yixian mountains of northern China.

C) Chinese scientists showed, based on a fossil bird found in the Yixian mountains of northern China.

D) when the Chinese scientists found a fossil bird in the Yixian mountains of northern China.

E) which the Chinese scientists say can be proven from a fossil bird which they found in the Yixian mountains of northern China.

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Source: Beat The GMAT — Sentence Correction | Thu Feb 19, 2009 1:09 pm

x2suresh: Master | Next Rank: 500 Posts; Posts: 258; Joined: Thu Aug 07, 2008 5:32 am; Thanked: 16 times

Re: Chinese Scientist

by x2suresh » Thu Feb 19, 2009 1:30 pm

piyush_nitt wrote:Birds' feathers appear to have evolved from dinosaur scales well over 100 million years ago, <Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.>

A) Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.

B) Chinese scientists have shown a fossil bird found in the Yixian mountains of northern China.

C) Chinese scientists showed, based on a fossil bird found in the Yixian mountains of northern China.

D) when the Chinese scientists found a fossil bird in the Yixian mountains of northern China.

E) which the Chinese scientists say can be proven from a fossil bird which they found in the Yixian mountains of northern China.

A is not great.. but best among them.

All other options.. even make setences worse..

B,D,E --> distorts the meaning.

c .. showed is incorrect.

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awesomeusername: Master | Next Rank: 500 Posts; Posts: 226; Joined: Tue Jan 13, 2009 1:27 pmFollowed by: 1 member; Thanked: 23 times

by awesomeusername » Thu Feb 19, 2009 1:57 pm

I agree, (A)

Constant dripping hollows out a stone.
-Lucretius

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piyush_nitt: Master | Next Rank: 500 Posts; Posts: 424; Joined: Sun Dec 07, 2008 5:15 pm; Location: Sydney; Thanked: 12 times

by piyush_nitt » Thu Feb 19, 2009 3:28 pm

awesomeusername wrote:I agree, (A)

Thanks guys

OA is indeed A

But Don't you think that A is a example of Comma splice .

Ic + , + IC

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deep: Junior | Next Rank: 30 Posts; Posts: 21; Joined: Thu Jun 19, 2008 1:08 am; Thanked: 2 times

by deep » Thu Feb 19, 2009 10:10 pm

I am confused between A and C. Can some one plz explain

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marcusking: Master | Next Rank: 500 Posts; Posts: 106; Joined: Wed Feb 04, 2009 6:09 am; Location: Louisville, KY; Thanked: 8 times

by marcusking » Fri Feb 20, 2009 10:50 am

deep wrote:I am confused between A and C. Can some one plz explain

The tense of the verbs must agree.

With C it says "Chinese scientists showed" meaning past tense, but the rest of the sentence says "Birds' feathers appear" appear is in present tense.

Choice A however says "Chinese scientists have shown". I know this may be confusing and I can't think of a good way to explain it but this almost can be present tense as well as past tense.

Choice C almost can be interpreted as the scientists showed, at ONE particular point in time. But choice A can be interpreted as they have shown, and continue to show.

Hope this helps.

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piyush_nitt: Master | Next Rank: 500 Posts; Posts: 424; Joined: Sun Dec 07, 2008 5:15 pm; Location: Sydney; Thanked: 12 times

Re: Chinese Scientist

by piyush_nitt » Fri Feb 20, 2009 2:14 pm

piyush_nitt wrote:Birds' feathers appear to have evolved from dinosaur scales well over 100 million years ago, <Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.>

A) Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.

B) Chinese scientists have shown a fossil bird found in the Yixian mountains of northern China.

C) Chinese scientists showed, based on a fossil bird found in the Yixian mountains of northern China.

D) when the Chinese scientists found a fossil bird in the Yixian mountains of northern China.

E) which the Chinese scientists say can be proven from a fossil bird which they found in the Yixian mountains of northern China.

The reason I posted this Question because I think choice A is an example of Comma Splice.

Birds' feathers appear to have evolved from dinosaur scales well over 100 million years ago, <Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.>

Bold Parts are Subjects IMO, and underlined parts are verbs , separated by a comma.

Can anyone plz comment on this ?

Thanks !

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piyush_nitt: Master | Next Rank: 500 Posts; Posts: 424; Joined: Sun Dec 07, 2008 5:15 pm; Location: Sydney; Thanked: 12 times

Re: Chinese Scientist

by piyush_nitt » Fri Feb 20, 2009 3:13 pm

piyush_nitt wrote:Birds' feathers appear to have evolved from dinosaur scales well over 100 million years ago, <Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.>

A) Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.

B) Chinese scientists have shown a fossil bird found in the Yixian mountains of northern China.

C) Chinese scientists showed, based on a fossil bird found in the Yixian mountains of northern China.

D) when the Chinese scientists found a fossil bird in the Yixian mountains of northern China.

E) which the Chinese scientists say can be proven from a fossil bird which they found in the Yixian mountains of northern China.

Like this post

tanviet: Legendary Member; Posts: 1404; Joined: Tue May 20, 2008 6:55 pmFollowed by: 2 members; Thanked: 18 times

by tanviet » Sat Feb 21, 2009 4:11 am

we should focus on OG questions. study of bad questions destroys our perfomance.

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piyush_nitt: Master | Next Rank: 500 Posts; Posts: 424; Joined: Sun Dec 07, 2008 5:15 pm; Location: Sydney; Thanked: 12 times

by piyush_nitt » Sat Feb 21, 2009 4:02 pm

duongthang wrote:we should focus on OG questions. study of bad questions destroys our perfomance.

Thanks for kind suggestion !!

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