Though early environmental impact models predicted that the newly introduced wetland grass would prove a ________ influence on native marsh biodiversity, recent field studies reveal that its dense root mats actually buffer vulnerable shorelines against extreme erosion.
Select the TWO answer choices that, when inserted into the sentence, produce completed sentences that are equivalent in meaning.
- deleteriousCevap
- perniciousCevap
- Csalutary
- Dbenign
- Eubiquitous
- Fephemeral
Cevap
The choices 'deleterious' and 'pernicious' are the correct options.
The sentence begins with the concession marker 'Though', indicating a contrast between early predictions and recent empirical findings. Since the recent findings show a positive result ('buffer vulnerable shorelines against extreme erosion'), the prediction must have been negative. The words 'deleterious' and 'pernicious' both mean harmful or injurious. Substituting either word creates logically coherent and semantically equivalent sentences.
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Anahtar Kavram
Validating Sentence Coherence and Pair Equivalence