Students in the early 1960s were taught that electrons orbit : GMAT Sentence Correction (SC)
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# Students in the early 1960s were taught that electrons orbit

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Senior Manager
Joined: 31 Jul 2006
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Students in the early 1960s were taught that electrons orbit [#permalink]

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29 Oct 2006, 18:17
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Students in the early 1960s were taught that electrons orbit the nucleus of an atom and the path of this orbit was circular.

the path of this orbit was

the path of this orbit is

the path of this orbit has been

that the path of this orbit is

that the path of the orbit was
If you have any questions
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Senior Manager
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30 Oct 2006, 13:44
arjsingh1976 wrote:
One more D

OA is D.. but isn't 2nd "that" understood and therefor not necessary?

I've seen some practice questions in OG where sometimes certain parts of the phrase are understood and make phrase sound better without it.

Director
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30 Oct 2006, 13:54
hmmm A or E.

prefer E.

Now that I read the explanations D make more sense
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30 Oct 2006, 13:57
asaf wrote:
hmmm A or E.

prefer E.

path of an orbit is, because electrons orbit the nucleus today and always
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06 Nov 2006, 08:00
It's obviously B or D because of the need to keep the present tense of orbit. My question is why is "that" needed? In addition, how hard would you categorize this question.
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19 Aug 2007, 20:19
simple restrictive clause parallelism

that X occurred and that Y occurred
in which X occurred and in which Y occurred
X who did X1 and Y who did Y1

etc...
19 Aug 2007, 20:19
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