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Astronomers at the Palomar Observatory have discovered a distant super

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Re: Astronomers at the Palomar Observatory have discovered a distant super  [#permalink]

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New post 30 Oct 2019, 22:45
I may be wrong here, but i'm pretty certain all other answer choices but E lead to some sort of run-on issue. E comes off as a noun modifier.


I didn't see this at first, but it was the only thing that really made it clear why answers A to D are wrong.
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Re: Astronomers at the Palomar Observatory have discovered a distant super  [#permalink]

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New post 31 Oct 2019, 16:21
A lot of folks are incorrectly stating that "that" is incorrect or redundant after "one." While there are certainly forms that allow us to skip "that," it's not incorrect here. We can say "one that they believe" or "one that they believe," depending on whether our meaning seems clear enough without the "that." "One" is a pronoun here, but it works just the way a noun does, and we can modify it the way we'd modify any noun.

A few examples:

I shared a poem that I believed was masterfully written. (Here, "that" helps to make it immediately clear that I believed something about the poem, rather than that I believed the poem itself. This is a common reason to include "that" or "who/whom.")
I shared several poems, including one that I believed was masterfully written.
I met many people that day, but there was one person I couldn't forget. ("That," or better yet, "whom," wouldn't be wrong here, but the meaning is 100% clear as is.)
Sitting across from me was a person I had believed to be dead.
Sitting across from me was a person whom I had believed was dead. (This second version feels clunkier. Although the "whom" makes it clear that I will be describing my belief, rather than saying I believed the person, the meaning was already fairly clear in the first version. I think some of the awkwardness comes from the switch from past perfect--had believed--to simple past--was. Although this switch is correct, it creates more work for the reader than the previous version, with its time-independent use of "to be.")
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Re: Astronomers at the Palomar Observatory have discovered a distant super  [#permalink]

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New post 06 Dec 2019, 14:02
Dear EMPOWERgmatVerbal

Below is similar question from OG https://gmatclub.com/forum/the-world-wi ... 03470.html in which C is correct.
The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.

(A) a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,
(B) a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,
(C) a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels,
(D) which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,
(E) which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,

By a similar logic, I think it should be (A) for the question: Astronomers at the Palomar Observatory have discovered a distant supernova explosion, one that they believe is a type previously unknown to science.

I am very confused.
Could you please shed some light on this?

Thank you very much!
Tracy
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Re: Astronomers at the Palomar Observatory have discovered a distant super  [#permalink]

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New post 06 Dec 2019, 17:46
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Tracy95 wrote:
Dear EMPOWERgmatVerbal

Below is similar question from OG https://gmatclub.com/forum/the-world-wi ... 03470.html in which C is correct.
The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.

(A) a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,
(B) a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,
(C) a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels,
(D) which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,
(E) which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,

By a similar logic, I think it should be (A) for the question: Astronomers at the Palomar Observatory have discovered a distant supernova explosion, one that they believe is a type previously unknown to science.

I am very confused.
Could you please shed some light on this?

Thank you very much!
Tracy


Thanks for your question, Tracy95! Make sure that you go back to each of these questions and look over the official explanations in the "Spoiler" section.

For this question, option A has a couple problems, as outlined in the official explanation:

1. It has an extra pronoun "that," which doesn't need to be there because "one" already covers it.
2. It doesn't have the "of" it needs to convey the correct meaning. Since the sentence is talking about "one of a type" we need to keep the "of."

Since these two sentences are a bit different, they will need different things for the correct answer. If you have any other questions, feel free to tag me at EMPOWERgmatVerbal or send a message!
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Re: Astronomers at the Palomar Observatory have discovered a distant super  [#permalink]

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New post 13 Dec 2019, 21:10
Use of that? one already works as pronoun, use of that is not required.
“Believe + to be” is correct construction
A B out
C that it is – one is already used as a pronoun therefore it here is redundant
D unidiomatic. That follows verb believe, this type of construction indicates start of new subject verb.
S+V THAT S+V However in this choice the construction is incorrect.
E CORRECT: they believe to be of a type
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Re: Astronomers at the Palomar Observatory have discovered a distant super   [#permalink] 13 Dec 2019, 21:10

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