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Tooth whiteners in toothpastes contain mild abrasives that have the ca

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Tooth whiteners in toothpastes contain mild abrasives that have the ca  [#permalink]

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New post Updated on: 24 Dec 2018, 12:16
1
2
00:00
A
B
C
D
E

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  25% (medium)

Question Stats:

71% (01:32) correct 29% (01:56) wrong based on 126 sessions

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Tooth whiteners in toothpastes contain mild abrasives that have the capacity to remove stains on tooth enamel and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for customers desiring brighter teeth.


(A) and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for

(B) and improve tooth appearance enough for microabrasion techniques to be used less and to keep costs down for

(C) for improved tooth appearance, enough for lessening use of microabrasion techniques and for keeping costs down of

(D) to improve tooth appearance, enough to limit use of microabrasion techniques and to keep costs down for

(E) to improve enough tooth appearance to use microabrasion techniques less and keep costs down for

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Originally posted by carcass on 31 Jan 2013, 16:21.
Last edited by Bunuel on 24 Dec 2018, 12:16, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
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Re: Tooth whiteners in toothpastes contain mild abrasives that have the ca  [#permalink]

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New post 31 Jan 2013, 22:59
Should be (D).

Removing stains on the tooth enamel leads to improving tooth appearance. Improving tooth appearance is not a separate result. Therefore 'to' is more appropriate (and not 'and'). That rules out A and B. In C, 'keeping costs down of customers' is awkward and grammatically incorrect.

E is awkwardly worded, changes the meaning by changing the placement of the word 'enough' and is also not parallel in all of its aspects.

D it is.
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Re: Tooth whiteners in toothpastes contain mild abrasives that have the ca  [#permalink]

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New post 15 Oct 2013, 00:44
1
(A) and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for---- improve tooth appearance is the result of tooth whiteners...
(B) and improve tooth appearance enough for microabrasion techniques to be used less and to keep costs down for---- Same as A. Also to be used less is awkward usage.
(C) for improved tooth appearance, enough for lessening use of microabrasion techniques and for keeping costs down of---- Costs down of customers is incorrect. For improved also is incorrect shift of tenses.
(D) to improve tooth appearance, enough to limit use of microabrasion techniques and to keep costs down for--- CORRECT
(E) to improve enough tooth appearance to use microabrasion techniques less and keep costs down for --- Enough is used incorrectly. enough tooth appearance does not make any sense.
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Re: Tooth whiteners in toothpastes contain mild abrasives that have the ca  [#permalink]

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New post 24 Dec 2018, 12:09
carcass,

what is the official OA for this question ?

Thanks,
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Tooth whiteners in toothpastes contain mild abrasives that have the ca  [#permalink]

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New post 24 Dec 2018, 12:17
ammuseeru wrote:
Tooth whiteners in toothpastes contain mild abrasives that have the capacity to remove stains on tooth enamel and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for customers desiring brighter teeth.


(A) and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for

(B) and improve tooth appearance enough for microabrasion techniques to be used less and to keep costs down for

(C) for improved tooth appearance, enough for lessening use of microabrasion techniques and for keeping costs down of

(D) to improve tooth appearance, enough to limit use of microabrasion techniques and to keep costs down for

(E) to improve enough tooth appearance to use microabrasion techniques less and keep costs down for


carcass,

what is the official OA for this question ?

Thanks,


The OA is D.

OFFICIAL EXPLANATION:



Answer: D

The sentence appears to test parallelism. Before the comma, we have "remove stains...and improve tooth appearance" (which is grammatically correct) and after the comma, we have "for less use...and keeping costs down," which is incorrect. "Less use and lower costs" would be better; in any event, those two benefits of whiteners must be parallel, so (A) is incorrect.

Continue focusing on the second parallelism issue. (B) is wrong because "to be used less" and "to keep costs down" are not parallel. While in (C), "for lessening use" and "for keeping costs down" is technically parallel, neither phrase is idiomatic. It's rare that "for –ing" will be correct.

Choice (E) is wrong because it alters the meaning of the sentence. By placing the word "enough" before "tooth appearance," it refers to some amount of tooth appearance. In the original construction, "enough" is synonymous with "sufficiently," meaning that the whiteners improve appearance sufficiently to require less use of other techniques. Choice (D), then, must be correct.
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Re: Tooth whiteners in toothpastes contain mild abrasives that have the ca  [#permalink]

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New post 25 Dec 2018, 00:23
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Re: Tooth whiteners in toothpastes contain mild abrasives that have the ca  [#permalink]

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New post 25 Dec 2018, 00:34
Answer is D.

It has the correct use of parallelism, and right placement of "enough".
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Re: Tooth whiteners in toothpastes contain mild abrasives that have the ca   [#permalink] 25 Dec 2018, 00:34
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