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Since he had demonstrated (i)_____ talent as an amateur, several of his acquaintances (ii)_____ a career on the stage, but he followed his parents` wishes, becoming an engineer.
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Common and easily accessible resources (prey for predators or hosts for parasites) should be, all other things being equal, used frequently, yet in some environments apparently accessible and suitable resources remain _____.
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An abundance of nutrient-rich pollution in estuaries causes algae to _____________, much as houseplants grow better when their soil contains added fertilizer.
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It is normal for artists who achieve great acclaim during their lifetimes to be considered _____ shortly after their deaths, only to have their reputations restored by subsequent generations.
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Because the organization often trumpeted itself as a forum for _____ discussion, visitors were startled by the frequently heated tone of its recent debates.
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In the nineteenth century, the circus, for all its glitz and even its glamour, was entertainment with an old soul, _____ the fast-forward pace of change in modern life.
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Because the critic thought that the mark of great literature was grandiosity and elegance not to be found in common speech, writers seeking his approbation _____ the vernacular.
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A hallmark of certain nineteenth-century mystery novels was the reform agenda of their authors, who ostensibly sought to expose economic injustice while depicting the seamy underside of urban life. In reality, however, these claims to a radical political agenda were often (i)_____ meant to give lurid thrillers the appearance of (ii)_____.
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Whatever the acknowledged (i)_____ of the market and the merits of considering ways to
(ii)_____ them, implementing public policies toward this end entails the inevitable risk that those policies will simply create new deficiencies even as they address old ones.
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For certain economists, “pure” economic theory, that is, economic theory _____ a specific social structure, is impossible, much like a concept of anatomy that investigates no specific species.
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Some species camouflage patterns may be _____, granting those species a higher chance of survival in a heterogeneous environment.
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Because the literary club often trumpeted itself as a sanctuary for temperate discussion, visitors were startled by the frequently _____ tone of its recent debates.
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With the grand ambition of sending unbreakable coded messages, some physicists are using exotic tools-quantum mechanics and streams of individual photons-to shut out (i)_____. But a wire and a few resistors may (ii)_____ a message as securely, according to a physicist who claims to have devised a simple and uncrackable scheme. The idea shows that more (iii)_____ methods might compete with budding quantum cryptography.
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Among the most popular Currier&levs lithographic prints in nineteenth-century America were bird`s-eye views of great cities such as New York, Chicago, and San Francisco. These were edited into books, and the cities` (i)_____ meant that new views were (ii)_____ for successive editions.
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For a genre that`s supposed to be about the future, science fiction has certainly (i)_____ lately, (ii)_____ is what sells best, with readers spending their money on sequels to long-running series.
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As astronomers do not yet have a good understanding of the fundamental nature of dark matter, it should not be a surprise that astronomy students` ideas about dark matter are, at best, ______.
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Demographic relationships that have been ______ may not be useful targets for prolonged study: that very characteristic suggests that they may continue to change rapidly.
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Though nations no longer (i)_____ nuclear physicists-the men and women who once delivered the destructive power of the atom bomb-physics still has the same power to (ii)_____ but in another way, by revealing the basic truths that underpin reality.
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During the fifteenth century, three aspects of the mathematical sciences were usually singled out as _____: their preparatory value for the study of philosophy, their practical advantage for the community, and their antiquity.
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Computers` triumph in chess had been engineered not by creating machines that (i)_____ human thought, as most experts in artificial intelligence had expected, but by perfecting machines that played like machines. The analogy with flight is (ii)_____: as long as people tried to fly by imitating birds, attaching wings to their arms and flapping madly, they were (iii)_____ to fail. Once engineering escaped the paradigm of the familiar, however, people were soon flying much faster than birds.
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