GRE Text Completion Question 3751
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Source: PP2
It is refreshing to read a book about our planet by an author who does not allow facts to be (i)_____by politics: well aware of the political disputes about the effects of human activities on climate and biodiversity, this author does not permit them to (ii)_____his comprehensive description of what we know about our biosphere. He emphasizes the enormous gaps im our knowledge, the sparseness of our observations, and the (iii)_____, calling attention to the many aspects of planetary evolution that must be better understood before we can accurately diagnose the condition of our planet.
| Blank(i) | Blank(ii) | Blank(iii) |
|---|---|---|
| A overshadowed | D enhance | G plausibility of our hypotheses |
| B invalidated | E obscure | H certainty of our entitlement |
| C illuminated | F underscore | I superficiality of our theories |