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The water strider, a species of semi-aquatic insects, can

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The water strider, a species of semi-aquatic insects, can

by BTGmoderatorDC » Sun Oct 07, 2018 2:20 am

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The water strider, a species of semi-aquatic insects, can not only walk on the surface of water but also can generate enough upward thrust with its legs to launch itself off the surface, by achieving one of the most complex physical maneuvers - jumping on water.

A) can not only walk on the surface of water but also can generate enough upward thrust with its legs to launch itself off the surface, by

B) not only can walk on the surface of water but also can generate enough upward thrust with its legs to launch itself off the surface, thereby

C) can walk not only on the surface of water but also off the surface, generating enough upward thrust with its legs to launch itself and

D) not only can walk on the surface of water but also generate enough upward thrust with its legs to launch itself off the surface, thereby

E) can not only walk on the surface of water, generating enough upward thrust with its legs to launch itself, but also walk off the surface, thereby

OA B

Source: e-GMAT
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Source: — Sentence Correction |
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by deloitte247 » Sun Nov 04, 2018 11:50 am

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The position of movement of insects is in the limelight with a vie to connecting it to sentence formation.

Option A:- Incorrect
The option statement is a direct repetition of the question statement by the author. it has no logical difference when compared with the original statement.

Option B:- correct
This question states that or seeks to assert the underlined words or sentence is justifiably the reason for the second part of the statement i.e achieving one of the physical maneuvers.

Option C:- Incorrect
Here, the conjunction "and" seeks to explain that "In addition to" movement on and off the surface, it also achieves one of the primary aims which isn't entirely correct.

Option D:- Incorrect
This is grammatically inconsistent. Using the verb "can" means there is a possibility of it happening but the verb "generate" here should take the form of a continuous one i.e "generates".

Option E:- Incorrect
Too much emphasis here in terms of the usage of comma punctuation mark. It changed completely the direction of the statement with a different meaning
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answer

by SnigdhaD » Sun Nov 11, 2018 11:17 pm

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The water strider, a species of semi-aquatic insects, can not only walk on the surface of water but also can generate enough upward thrust with its legs to launch itself off the surface, by achieving one of the most complex physical maneuvers - jumping on water.

First understand the sentence what it has to say-
Water strider can do -1) walk on the surface of water
2) generate enough upward thrust which leads its leg to launch itself off the surface

A) can not only walk on the surface of water but also can generate enough upward thrust with its legs to launch itself off the surface, by
WRONG Parallelism error- can not only but also can- it should be not only can but also can

B) not only can walk on the surface of water but also can generate enough upward thrust with its legs to launch itself off the surface, thereby
WRONG Parallelism error corrected and no further error added

C) can walk not only on the surface of water but also off the surface, generating enough upward thrust with its legs to launch itself and
WRONG idiom but also with not only missing

D) not only can walk on the surface of water but also generate enough upward thrust with its legs to launch itself off the surface, thereby
WRONG Parallelism error not only can but also (can missing)

E) can not only walk on the surface of water, generating enough upward thrust with its legs to launch itself, but also walk off the surface, thereby
WRONG Changes the meaning of the sentence here it says -
Water strider can do -1) walk on the surface of water, generating enough upward thrust with its legs to launch itself ( does not answer the question
launches where?)
2)walk off the surface
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