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# Sophisticated laser-guided land graders can now flatten uneven

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Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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21 Sep 2019, 17:36
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62% (01:17) correct 38% (01:28) wrong based on 169 sessions

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Sophisticated laser-guided land graders can now flatten uneven farmland almost perfectly so as not to waste rainwater in runoff down sloping fields.

(A) so as not to waste rainwater
(B) so that rainwater is not wasted
(C) so that there is no wasted rainwater
(D) and thereby not waste rainwater
(E) and there is no rainwater wasted

SC34561.01

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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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21 Sep 2019, 21:26
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B for using the correct idiom 'so that rain water" is not wasted
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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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21 Sep 2019, 21:53
daagh wrote:
B for using the correct idiom 'so that rain water" is not wasted

Although so that usage is correct ...what is wrong with thereby ?

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Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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21 Sep 2019, 22:14
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Unflinching,
thereby not waste is a verb, who is not wasting water. According to the chocie it is the graders. Graders do not save or waste. They are just machines. . That is the reason 'thereby' is wrong.
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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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22 Sep 2019, 05:51
daagh please correct me, I think So..X..that...Y is the correct Idiom. Please correct me If I am Wrong. I believe A should be the answer.

daagh wrote:
B for using the correct idiom 'so that rain water" is not wasted

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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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22 Sep 2019, 06:04
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Lone
Which chocie has your suggestion?
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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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22 Sep 2019, 06:07
daagh
In my opinion A should be the Answer So as not to is giving the intention of using Laser

daagh wrote:
Lone
Which chocie has your suggestion?

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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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22 Sep 2019, 07:06
Sophisticated laser-guided land graders can now flatten uneven farmland almost perfectly so as not to waste rainwater in runoff down sloping fields.

Meaning - Laser-gudied land grader flatten uneven farmland perfectly., so that rainwater is not wasted during run off
For me this sentence has meaning issues

(A) so as not to waste rainwater
It appears during land grader usage rainwater is wasted
(B) so that rainwater is not wasted
Yes.. Flatten earthsurface now rainwater wont be wasted, Contender
(C) so that there is no wasted rainwater
Wasted rainwater in runoff - does not make sense
(D) and thereby not waste rainwater
Appears land grader waster rainwaters during runoff normally
(E) and there is no rainwater wasted
wordy - with the use of there

B is the correct answer
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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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22 Sep 2019, 07:22
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Lone
Look at these examples

Developed by Pennsylvania's Palatine Germans about 1750, they made Conestoga wagons with high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and they had a floor curved upward on either end so as to prevent cargo from shifting on steep grades.

(A) they made Conestoga wagons with high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and they had a floor curved upward on either end so as to prevent

(D) Conestoga wagons had high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie, and a floor that was curved upward at both ends to prevent

D is the correct choice. A is not.

Broccoli thrives in moderate to cool climates and propagated by seeds, either sown directly in the field or in plant beds designed for producing transplants.[u]

(B) propagated by seeds, sown either directly in the field or sown in plant beds designed so as to produce

(D) is propagated by seeds sown either directly in the field or in plant beds designed to produce

The correct choice is D and not B.

You must be careful with idioms as far as GMAT is concerned. Probably I do not think 'so as to' per se is acceptable to the ethos of GMAT while 'so adjective as to' the acceptable template.
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Re: Sophisticated laser-guided land graders can now flatten uneven  [#permalink]

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22 Sep 2019, 09:26
hazelnut wrote:
Sophisticated laser-guided land graders can now flatten uneven farmland almost perfectly so as not to waste rainwater in runoff down sloping fields.

(A) so as not to waste rainwater
(B) so that rainwater is not wasted
(C) so that there is no wasted rainwater
(D) and thereby not waste rainwater
(E) and there is no rainwater wasted

SC34561.01

Official Explanation

Logical predication; Rhetorical construction

The sentence is meant to indicate that the purpose of flattening uneven farmland is to prevent the waste of rainwater in runoff.

Note that purpose can be expressed in various ways, including by the use of a clause beginning with so that.

A. In this choice, the implicit subject of the verb waste is the graders. That is, it suggests that these machines would themselves waste water unless they flattened land.

B. Correct. This choice avoids errors found in the other choices and contains no other errors.

C. This choice is incorrect because it unnecessarily uses the wordy there is . . . form; it would be more concise to use the passive-voice verb form no rainwater is wasted, as in choice B.

D. As in choice A, this choice suggests that the graders themselves might waste rainwater.

E. This choice omits the element of purpose conveyed by so that in choice B: and fails to convey purpose. As in choice C, the wordy form there is . . . is used.

The correct answer is B.
Re: Sophisticated laser-guided land graders can now flatten uneven   [#permalink] 22 Sep 2019, 09:26
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# Sophisticated laser-guided land graders can now flatten uneven

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