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# The spectacular disintegration of a comet last year in full

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The spectacular disintegration of a comet last year in full  [#permalink]

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17 Dec 2010, 12:59
5
24
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Difficulty:

55% (hard)

Question Stats:

62% (01:18) correct 38% (01:35) wrong based on 889 sessions

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The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and thus may force a rethinking of the role of comets in the delivery of organic compounds to the evolving earth.

A. The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and thus may force

B. The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes, provided new insights into how comets form and thus possibly forcing

C. When a comet's spectacular disintegration occured in full view of ground- and space-based telescopes last year, it provided new insights into how comets form and thus possibly forcing

D. Last year, in full view of ground- and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing

E. Last year, in full view of ground- and space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force

Very interesting answer choices. I narrowed it down to 2 (easily), but chose the wrong one. Now I understand why it was wrong, and hope you guys can learn to from the discussion.

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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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21 Dec 2010, 23:12
20
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I agree with daagh that the use of "and" here necessitates a verb in the first part of the sentence. Notice that there is no verb at all in the non-underlined portion, so you need a verb in the underlined portion. But the underlined portion says "A and thus B"--so A and B need to be parallel, and they must both contain verbs. As daagh says, that knocks off B, C, and D.

I also agree that the meaning shifts in E, but I have a different (grammatical) reason for losing E. There is a verb split between A and E-- "provided" versus "has provided." What might help us distinguish which of these options is incorrect? Both sentences use the phrase "last year," but you cannot use the present perfect tense (has/have + past participle) if you name the specific point in the past when that action happened.

Last year, I ate 10 pizzas. CORRECT
Last year, I have eaten 10 pizzas. INCORRECT

In 1998, I owned twenty pairs of shoes. CORRECT
In 1998, I have owned twenty pairs of shoes. INCORRECT

One thing to be careful of when applying this rule is the word "since"--"since 1998" means...in the period of time between 1998 and leading up to the present," so you *can* use a specific date with "since" and the present perfect.

Since 1998, I have been to Paris four times. CORRECT
In 1998, I went to Paris four times. CORRECT (but different meaning)
In 1988, I have gone to Paris four times. INCORRECT.

E incorrectly uses the present perfect, so A is our answer.
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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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31 Oct 2013, 00:41
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1
Note:
(1) "and" is a very important PARALLEL marker. Two parts before and after "and" must be parallel.
(2) Verb+ed modifier always modifies preceding NOUN

The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and thus may force a rethinking of the role of comets in the delivery of organic compounds to the evolving earth.

A. The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and thus may force
Correct. Good structure: X provided.... and thus may force......

B. The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes, provided new insights into how comets form and thus possibly forcing
Wrong. Modifier problem. Verb+ed modifier always modifies preceding NOUN. "provided" modifies "telescopes" <-- wrong.

C. When a comet's spectacular disintegration occured in full view of ground- and space-based telescopes last year, it provided new insights into how comets form and thus possibly forcing
Wrong. Parallelism problem. Past tens vs. Verb-ing modifier

D. Last year, in full view of ground- and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing
Wrong. Parallelism problem. Past tens vs. Verb-ing modifier

E. Last year, in full view of ground- and space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force
Wrong. Tense problem. Present perfect never goes with "Last year".

Hope it helps.
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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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17 Dec 2010, 19:02
3
A clause joined by the coordinating conjunction is required to have a full working verb, which, choices B, C and D are lacking, by using the incorrect present participial, 'thus forcing"

In E, the time of the disintegration i.e. last year has been placed far distant from the disintegration. We cannot separate last year and disintegration as that choice ends up with a wrong word order.

A is the choice, IMO
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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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18 Dec 2010, 19:40
A seems to looks the best.

B - out because of lackof parallelism
C - this was my other suspect....but the use of "When" should refer to a time period...thought it is "last year," still does not convey the message correctly.
D and E - awkward.

More detailed explanation one-on-one from experts would help.
I don't know if this modifier issue...
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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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20 Dec 2010, 20:44
1
It is A. E is wrong because it suggests that disintegration has provided insights in full view of telescopes. Tricky.
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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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23 May 2015, 01:01
parker :- the "it" in Option choice is correct, right??
Because there is only one singular noun it can refer to, so "it" is correct?
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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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23 May 2015, 03:05
Shree9975 wrote:
the "it" in Option choice is correct, right??
Because there is only one singular noun it can refer to, so "it" is correct?

Am assuming you are talking about option C.

it in C refers to comet's spectacular disintegration.
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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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29 Jul 2016, 05:22
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MisterEko wrote:
The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and thus may force a rethinking of the role of comets in the delivery of organic compounds to the evolving earth.

A. The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and thus may force

B. The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes, provided new insights into how comets form and thus possibly forcing

C. When a comet's spectacular disintegration occured in full view of ground- and space-based telescopes last year, it provided new insights into how comets form and thus possibly forcing

D. Last year, in full view of ground- and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing

E. Last year, in full view of ground- and space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force

A and thus B. Both A and B must be parallel.

So the sentence must read- comets form and thus may force. B, C and D are out.

In E 'has' indicates that comet provided something and still is providing. It is not the intended meaning. Disintegration provided something in the past. E is out.

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Re: The spectacular disintegration of a comet last year in full  [#permalink]

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25 Oct 2018, 11:30
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Re: The spectacular disintegration of a comet last year in full &nbs [#permalink] 25 Oct 2018, 11:30
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