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Wills argues that certain malarial parasites

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Wills argues that certain malarial parasites [#permalink] New post 22 Feb 2016, 05:58
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Question Stats:

40% (00:48) correct 59% (01:10) wrong based on 64 sessions
Wills argues that certain malarial parasites are especially (i)__________ because they have more recently entered humans than other species and therefore have had (ii)__________ time to evolve toward (iii)__________. Yet there is no reliable evidence that the most harmful Plasmodium species has been in humans for a shorter time than less harmful species.




Blank (i)Blank (ii)Blank (iii)
A. populousD. ampleG. virulence
B. malignantE. insufficientH. benignity
C. threatenedF. adequateI. variability



Practice Test Questions
Question: 20
Page: 327
[Reveal] Spoiler: OA

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Re: Wills argues that certain malarial parasites [#permalink] New post 22 Feb 2016, 05:59
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Explanation


The “Yet” that begins the second sentence indicates that Wills’ position would be supported by evidence that the newer parasites are in humans, the more harmful they are. So Wills’ position must be that more recent parasites are especially harmful, implying that “malignant” is the correct choice for the first blank. What follows “therefore” is a potential explanation for the trend that Wills expects, namely an evolution toward harmlessness, implying “benignity” for the third blank, with newer species having had “insufficient” time (second blank) to evolve toward harmlessness.
Thus, the correct answer is malignant (Choice B), insufficient (Choice E), and benignity (Choice H).
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Re: Wills argues that certain malarial parasites [#permalink] New post 03 Aug 2018, 03:58
soumya1989 wrote:

Explanation


The “Yet” that begins the second sentence indicates that Wills’ position would be supported by evidence that the newer parasites are in humans, the more harmful they are. So Wills’ position must be that more recent parasites are especially harmful, implying that “malignant” is the correct choice for the first blank. What follows “therefore” is a potential explanation for the trend that Wills expects, namely an evolution toward harmlessness, implying “benignity” for the third blank, with newer species having had “insufficient” time (second blank) to evolve toward harmlessness.
Thus, the correct answer is malignant (Choice B), insufficient (Choice E), and benignity (Choice H).


Please explain why the third blank inclines toward harmlessness? What is the clue for this?
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Re: Wills argues that certain malarial parasites [#permalink] New post 03 Aug 2018, 08:21
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The question had medium tag as difficulty. However, it is hard indeed.

The “Yet” that begins the second sentence indicates that Wills’ position would be supported by evidence that the newer parasites are in humans, the more harmful they are.

the clue is Yet.

Actually, the overall meaning is that parasites mute them into harmless host if stay longer inside humans. However, we do not have enough information to ascertain this with certainty. It is just another supposition.

Now is more clear ??

The key to solve TC is to catch as close as possible the meaning of the sentence as whole.

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Re: Wills argues that certain malarial parasites [#permalink] New post 22 Nov 2018, 08:37
Quote:
because they have more recently entered humans than other species and therefore have
had (ii)__________ time to evolve toward (iii)__________.


I think this question is a stretch, because how are we to know that mosquitoes evolve towards benignity, the longer they are exposed to their human hosts? At the same time, the other two choices do not work.

I think this question asks us to make quite a bit of a logical leap, maybe a bit too much!

By the way, what is OG SECOND REVISED EDITION?
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Re: Wills argues that certain malarial parasites [#permalink] New post 22 Nov 2018, 11:08
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It is the GRE (by ETS) Official Guide 2nd edition.

There is also the latest, the 3rd Editon but it is identical to the second edition.

look here to see all the questions from the Official Guides and relative questions explained

https://greprepclub.com/forum/the-offic ... -8020.html

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Re: Wills argues that certain malarial parasites [#permalink] New post 18 Jun 2019, 12:16
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soumya1989 wrote:
Wills argues that certain malarial parasites are especially (i)__________ because they have more recently entered humans than other species and therefore have had (ii)__________ time to evolve toward (iii)__________. Yet there is no reliable evidence that the most harmful Plasmodium species has been in humans for a shorter time than less harmful species.




Blank (i)Blank (ii)Blank (iii)
A. populousD. ampleG. virulence
B. malignantE. insufficientH. benignity
C. threatenedF. adequateI. variability



Practice Test Questions
Question: 20
Page: 327


Most of the contextual clues come from the last sentence, in which we're told that "there is no reliable evidence that the most harmful Plasmodium species has been in humans for a shorter time than less harmful species."

To paraphrase: We can't be certain about the theory that some HARMFUL species has been in humans for LESS TIME than LESS harmful species.
This tells us that the first sentence must suggest that the LONGER a species has been in humans, the LESS harmful that species becomes.

To paraphrase the first sentence, we have: Wills argues that certain malarial parasites are especially (i)__________ because they'e been in humans for LESS TIME than other species. This REDUCED TIME means the parasites had (ii)__________ time to evolve toward (iii)__________.

If those parasites have had LESS TIME in humans, then those parasites will be more HARMFUL than other parasites. Predict HARMFUL for the first blank.

The reduced time in humans, means the parasites has NOT ENOUGH time to evolve into LESS HARMFUL parasites.
Predict NOT ENOUGH for the second blank, and predict LESS HARMFUL for the third blank.

Check the answer choices...

MALIGNANT, INSUFFICIENT and BENIGNITY.

Answer: B, E and H

Cheers,
Brent
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Re: Wills argues that certain malarial parasites   [#permalink] 18 Jun 2019, 12:16
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