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The possible long-term health risks to airline personnel who

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The possible long-term health risks to airline personnel who [#permalink]

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New post 20 Apr 2012, 03:00
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A
B
C
D
E

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The possible long-term health risks to airline personnel who repeatedly cross multiple time zones has been a concern since the first jet transports went into service in the 1950s.

A) who repeatedly cross multiple time zones has been a concern since the first jet transports went
B) who are repeatedly crossing multiple time zones has been a concern since the first jet transports that went
C) who repeatedly cross multiple time zones have been a concern since the first jet transports went
D) repeatedly crossing multiple time zones has been a concern since the first jet transports went
E) repeatedly crossing multiple timezones have been a concern since the first jet transports going
[Reveal] Spoiler: OA

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Last edited by Zarrolou on 04 Jun 2013, 04:15, edited 2 times in total.

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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 20 Apr 2012, 05:52
I choose D.

Step 1. Subject verb agreement. Here subject is 'health risks' which is plural. So plural verb.
So look for ans choices with 'have been'
So A, B and D are out

Step 2. In C, 'who are repeatedly cross' is wrong. So D is correct.

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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 20 Apr 2012, 10:01
aa.. missed the plural of has vs. have .. D definitely looks good.

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New post 20 Apr 2012, 10:10
Transposing has not been good for me had to retype answer C because I confused the part.

I will give time to answer and post OA. I am so SORRY!
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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 20 Apr 2012, 14:47
whats the OA?

Please share the OA so that we know the answewr. Also, lets discuss it out more?
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Re: The possible long-term health risks to airline personnel who [#permalink]

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C is the answer. Since risks - plural we need to use have been a concern. the only answer choices are c and e, but in e the last underlined word going is wrong, so i am going with C
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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 26 Apr 2012, 01:05
hfbamafan wrote:
The possible long-term health risks to airline personnel who repeatedly cross multiple time zones has been a concern since the first jet transports went into service in the 1950s.

A)who repeatedly cross multiple time zones has been a concern since the first jet transports went
B)who are repeatedly crossing multiple time zones has been a concern since the first jet transports that went
C)who repeatedly cross multiple time zones have been a concern since the first jet transports went.
D)repeatedly crossing multiple time zones has been a concern since the first jet transports went
E)repeatedly crossing multiple timezones have been a concern since the first jet transports going


I choosed C.
It is correct in "have" and uses cross in present simple (usual action).

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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 26 Apr 2012, 01:09
Sorry I thought I put an OA in earlier.

OA: C
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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 28 Jul 2012, 02:53
i am confused of using "since" here. as far i know since is used in present perfect tense. but here since is used in past tense. am i missing something?? please help
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hfbamafan wrote:
The possible long-term health risks to airline personnel who repeatedly cross multiple time zones has been a concern since the first jet transports went into service in the 1950s.

A)who repeatedly cross multiple time zones has been a concern since the first jet transports went
B)who are repeatedly crossing multiple time zones has been a concern since the first jet transports that went
C)who repeatedly cross multiple time zones have been a concern since the first jet transports went.
D)repeatedly crossing multiple time zones has been a concern since the first jet transports went
E)repeatedly crossing multiple timezones have been a concern since the first jet transports going


S-V agreement issue, "risks" will take "have"

A,B & D eliminated
C vs. E
E: "...jet transports going" awkward & wrong structure. So. C be it!

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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 30 Jul 2012, 03:12
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Meaning;-
The statement is dealing about the "risks"associated with an airline personal(in specific) so it is using "airline personal"not" airline personals" .
"Risks" has got its conjugate verb agreement with "have been",not "has been"so (B) & (D) are out.
(E) is wrong because adverbial modifier "repeatedly"is modifying the verb "crossing" which is not needed (because repeatedly will change the meaning which will say that "its a normal process-often/usual" AND if it was usual/often then we should have used "airline personals"(in general)not "airline personal" (specifically)BUT what is needed is a "who"which can refer to "airline personal" ALSO "went" is preferred over going to stay streamlined to the tense structure.
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New post 30 Jul 2012, 09:13
Hi,
I think its C.

Who Repeatedly cross - Must use Present Simple as we are talking about a condition.
"Health Risks" should take "Have"

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New post 04 Jun 2013, 04:11
This question is from the GMAT prep question pack 1 and here is what the official answer to why "B" is wrong
" The final Clause in the sentence That went into service does not provide a verb to complete the subordinate clause that begins with the words since the first jet transports
can this problem be rectified if we delete "that" from [/i]since the first jet transports that went[/i] .In this case will when serve as the verb of the subordinate clause

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alwaysudit wrote:
This question is from the GMAT prep question pack 1 and here is what the official answer to why "B" is wrong
" The final Clause in the sentence That went into service does not provide a verb to complete the subordinate clause that begins with the words since the first jet transports
can this problem be rectified if we delete "that" from [/i]since the first jet transports that went[/i] .In this case will when serve as the verb of the subordinate clause

Where is when used? Also, when is not a verb. If you remove that, the subordinate clause in B would be exactly the same as the the subordinate clause in the correct option C (and it would be correct).

However, this issue (The final Clause in the sentence That went into service does not provide a verb to complete the subordinate clause that begins with the words since the first jet transports) is actually very subtle.

Perhaps easier way to eliminate B is the incorrect usage of "present continuous" ("are reading") and the subject-verb disagreement ("has").
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New post 04 Jun 2013, 09:41
EducationAisle wrote:
alwaysudit wrote:
This question is from the GMAT prep question pack 1 and here is what the official answer to why "B" is wrong
" The final Clause in the sentence That went into service does not provide a verb to complete the subordinate clause that begins with the words since the first jet transports
can this problem be rectified if we delete "that" from [/i]since the first jet transports that went[/i] .In this case will when serve as the verb of the subordinate clause

Where is when used? Also, when is not a verb. If you remove that, the subordinate clause in B would be exactly the same as the the subordinate clause in the correct option C (and it would be correct).

However, this issue (The final Clause in the sentence That went into service does not provide a verb to complete the subordinate clause that begins with the words since the first jet transports) is actually very subtle.

Perhaps easier way to eliminate B is the incorrect usage of "present continuous" ("are reading") and the subject-verb disagreement ("has").


Thankyou again Ashish, and sorry for the typing error. What I was trying to say here is- can went serve as the verb for the subordinate clause beginning with since

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New post 04 Jun 2013, 09:48
alwaysudit wrote:
What I was trying to say here is- can went serve as the verb for the subordinate clause beginning with since

Yes absolutely it would be a verb. In fact, went can only be a verb always, since its past participle is gone.

This is, as opposed to most other verb forms in English, where there might be some confusion, since for most verb forms, their simple past and past participle is the same (for example, the verb interest has both simple past and past participle as interested).
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New post 09 Jan 2015, 05:19
The possible long-term health risks
to airline personnel
who repeatedly cross multiple time zones
has been a concern since
the first jet transports went
into service in the 1950s.

A)who repeatedly cross multiple time zones has been a concern since the first jet transports went
B)who are repeatedly crossing multiple time zones has been a concern since the first jet transports that went
C)who repeatedly cross multiple time zones have been a concern since the first jet transports went.
D)repeatedly crossing multiple time zones has been a concern since the first jet transports went
E)repeatedly crossing multiple time zones have been a concern since the first jet transports going
>>What r the errors in E?
Using crossing -a participle(Adj) with repeatedly- a adverb
or usage of present participle going with jet for a past event..
Request the members to share their inputs.

Also feel free to add if u see any other issues in the options.
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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 14 Aug 2016, 21:21
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: The possible long-term health risks to airline personnel who [#permalink]

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New post 15 Aug 2016, 06:23
hfbamafan wrote:
The possible long-term health risks to airline personnel who repeatedly cross multiple time zones has been a concern since the first jet transports went into service in the 1950s.

A)who repeatedly cross multiple time zones has been a concern since the first jet transports went
B)who are repeatedly crossing multiple time zones has been a concern since the first jet transports that went
C)who repeatedly cross multiple time zones have been a concern since the first jet transports went.
D)repeatedly crossing multiple time zones has been a concern since the first jet transports went
E)repeatedly crossing multiple timezones have been a concern since the first jet transports going



The correct answer here is C. The phrase "possible long-term health risks" is plural and have is the correct tense that is used in the answer C above.

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Re: The possible long-term health risks to airline personnel who   [#permalink] 15 Aug 2016, 06:23

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