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# Scientists are investigating the possibility of microbial life in Lake

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Joined: 04 Dec 2011
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Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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06 Dec 2011, 19:51
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Difficulty:

45% (medium)

Question Stats:

55% (04:23) correct 45% (01:00) wrong based on 580 sessions

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Scientists are investigating the possibility of microbial life in Lake Vostok, a huge body of water trapped beneath the ice of Antarctica; the lake's ecosystem is one that they believe is very similar to that beneath the frozen surface of Jupiter's moon Europa.

A. that they believe is

B. that they believe it to be

C. they believe it is

D. they believe that is

E. they believe to be
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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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14 Jun 2013, 22:22
6
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PraPon wrote:
Scientists are investigating the possibility of microbial life in Lake Vostok, a huge body of water trapped beneath the ice of Antarctica; the lake's ecosystem is one that they believe is very similar to that beneath the frozen surface of Jupiter's moon Europa.

Choices:
(A) that they believe is
(B) that they believe it to be
(C) they believe it is
(D) they believe that is
(E) they believe to be

IMO, E is the best.

Split #1: "That they believe" vs "they believe"
"That" is unnecessary here. The structure is "X is the one THAT ....... similar to THAT beneath the frozen surface.......". Clearly, the first "THAT" is redundant because "the one" is good enough.
So A, B are out.

Split #2: "believe X is Y" vs "believe to be Y"
Please note that: "believe X is Y" is not always wrong, if there is "THAT" before this structure.
Example:
Correct: Mary BELIEVES THAT her son IS right.
Wrong: Mary BELIEVES her son IS right
Correct: Mary BELIEVES her son TO BE right

Because C, D, E each don't have "THAT" ==> idiom "believe to be" is correct.

Only E remains.

Hope that helps.
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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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06 Dec 2011, 21:01
2
1
This is a tricky one.

But first, let's see the basics:

You should use THAT when you have to define or provide important information about a noun. Without that information you cannot identify the noun. For example:
I want to apply to a business school THAT ranks as one of the best schools in the world.

But if you can identify the noun, THAT is not required. In that case, you could use ", which". For example:

I want to apply to Harvard Business School, WHICH ranks as one of the best schools in the world.

You can see that "ranks....world" is just additional information. If you read only "I want to apply to Harvard Business School", you can identify the school. More information is not required.

Now let's see the question:

If we only read "the lake's ecosystem is one", we can see that it would be wrong. "ONE" has to be defined; we need THAT.

But, why can option E be correct if it doesn't have THAT? And here comes the trick:

We can ommit THAT when the object of the verb of the clause that defines (in this case, "they believe...") is the noun that it is being defined.

That's why B could also be correct, but it is wordy, and E is concise. So, E is better and correct.

I think you should read the MGMAT SC book if you are begining to study SC. It's big, but it is good!

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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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30 Dec 2012, 15:14
1
PraPon wrote:
Scientists are investigating the possibility of microbial life in Lake Vostok, a huge body of water trapped beneath the ice of Antarctica; the lake's ecosystem is one that they believe is very similar to that beneath the frozen surface of Jupiter's moon Europa.

Choices:
(A) that they believe is
(B) that they believe it to be
(C) they believe it is
(D) they believe that is
(E) they believe to be

The ecosystem is one that has no sense; $$that$$ is also implicit in this context

C IT refers to eco or one I have doubt......move on

D that is ia tense weird here. I believe TO BE ill

E is the best
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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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31 Dec 2012, 11:33
1
PraPon wrote:
Scientists are investigating the possibility of microbial life in Lake Vostok, a huge body of water trapped beneath the ice of Antarctica; the lake's ecosystem is one that they believe is very similar to that beneath the frozen surface of Jupiter's moon Europa.

Choices:
(A) that they believe is
(B) that they believe it to be
(C) they believe it is
(D) they believe that is
(E) they believe to be

Under the circumstances, A looks like the best answer. "they believe to be very similar to" is not a complete clause. One..that construction looks a must here and with that option B is simply wrong because of repetitive pronount it.
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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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14 Jun 2013, 07:28
I think that in A is parallel to that later.. E seem to disrupt that connection .. Also the position of two to's so hear causes some confusion.. Please provide the idea why A is wrong ?

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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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14 Jun 2013, 07:35
Asishp wrote:
I think that in A is parallel to that later.. E seem to disrupt that connection .. Also the position of two to's so hear causes some confusion.. Please provide the idea why A is wrong ?

I somehow have always associated "believe" with the phrases "believed to be" or "believe it to be" - "This criminal is believed to be the most dangerous criminal in the country..." or such.

I just feel it is the "most appropriate" choice of words. I do not think A is wrong, but I chose option E to be the best one available.
Hope it helps!
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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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14 Jun 2013, 13:22
1
I think the correct answer is "E" because the idiom is "believe X to be Y"
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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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14 Nov 2013, 07:37
3
here is the official explanation from Kaplan

Answer E - The issue here is the modifier "that they believe …". The proper idiomatic form is "they believe to be"; therefore, the correct answer is (E).

A vertical scan reveals the two basic choices "that they" versus "they". While "that" is not incorrect per se, here it is unnecessary because the word "one" sufficiently introduces the modifier. Thus we eliminate (A) and (B).

(C) contains the word "it", which is redundant because of the word "one" which appears previously.

(D) is unidiomatic, since the proper form is "X they believe to be Y", not "X they believe that is Y". Therefore we eliminate (D), and thus choice (E) is correct. Note that this sentence (even with the correct answer choice) is not necessarily the most elegant or efficient way to communicate the intended meaning. Do not let this bother you. Focus on the specific issue being tested. The underlined portion is your best clue as to what's being tested, though the non-underlined portion usually has an impact on the issue being tested as well. On Test Day you may see some Sentence Correction questions for which you could construct a better sentence than any offered, but thinking that way will not increase your GMAT score. Always focus on what is being tested in the Sentence Correction question on the screen in front of you.
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Re: Scientists are investigating the possibility of microbial life in Lake  [#permalink]

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11 Oct 2018, 01:35
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Re: Scientists are investigating the possibility of microbial life in Lake &nbs [#permalink] 11 Oct 2018, 01:35
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