GRE Text Completion and Sentence Equivalence Practice Questions (Test Prep Series Book 16) by Vibrant Publishers

Author:Vibrant Publishers [Publishers, Vibrant]
Language: eng
Format: epub
Publisher: Vibrant Publishers
Published: 2017-04-05T17:00:00+00:00

41: ascertains

To ascertain is to find out definitely. If one assumes or theorizes, he or she guesses based on varying evidence. Since this passage refers to learning, ascertain is applicable making option C the best choice. To validate is to confirm what is already known. This passage describes the process of learning through repeated experiences, rather than validating prior knowledge. Disputes is an antonym for assumes and doesn’t make sense in the sentence, because if one disputed which route was shorter, he or should would not like to adopt that route.

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