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The common principle behind the hourglass and the water clock is ___________: controlled movement of a fluid or fluid-like substance from one vessel to another can measure a predetermined amount of time.
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Most tree-dwelling lizards drop to the ground when threatened. But Sphenomorpus sabanus uses (i)____________, avoiding predation by hanging upside down and clinging to a branch with its hind claws so as to resemble a twig. Researchers suggest that the advantages of S. sabanus`s strategy is its (ii)____________. When predatory birds expect their prey to fall to the ground, the argument runs, (iii)____________ a lizard still hanging from a branch.
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By using (i) _____________ prose throughout, the contributors to this anthology have been able to make their subject seem (ii) _____________ in the extreme-of concern only to one another.
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The bird-watchers' ________________ distinguishing personal interpretations from factual observations was a liability in their stated goal of obtaining objective information about the everyday behavior of ravens.
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The safety features of modern cars have actually had ____________ effect on people's driving: drivers are lulled into a false sense of security by their cars' sophistication and therefore drive less attentively.
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In a production process that is complex and often unpredictable, roles that start out discreetly defined may become quite ______________.
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Since beavers rely on auditory signals such as the tail slap and whining and hissing, we can infer that their hearing is _____________, although we don`t know the exact sensitivity and performance of their acoustical sense.
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After the first monarch butterfly overwintering site was discovered in Mexico in 1975, the biologist Lincoln Brower (i) _____________ the (ii) _____________ of additional sites. The principal reason for Brower`s contention was that roosting in a very limited area would make the species highly vulnerable to wildfire.
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The newspapers described the writer as a (i) _____________, but she was really quite (ii) _____________once you met her in person.
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Not all Native American languages have lexical classes corresponding to those of other languages: many have no adjectival category, and some have even brought the ________ of nouns and verbs into question.
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Climate change is posited to be a frequent factor in mass extinctions by some scientists who speculate that minor climate shifts can trigger a catastrophic cascade of effects. Although this pattern is (i) _____________ in that it confirm warnings about our own possibly dire future, it is also somehow (ii) _____________, as it sets forth a context for today's turbulent weather as (iii) _____________ in a natural, cyclical process.
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Science is a seemingly inexhaustible source of _____________, yet paradoxically scientists have been portrayed in recent decades as rather conservative--resisting innovation in their discipline sometimes to the point of dogmatism.
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Defying expectation, the electorate seems poised to (i) _____________ a number of political tenets so (ii) _____________ that they are often paraded as fact.
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Some critics claim that because medical journals receive (i) _____________ selection of findings from clinical trials--mainly those trials that show (ii) _____________ results for the drugs being tested--readers of those journals believe that some medications are more(iii) _____________ than they really are, even when those medications are little more than placebos.
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Khirigsuurs, distinctive stone-mounded monuments, are so ________ in central and western Mongolia that it has been argued that they were the defining features of the human landscapes of prehistoric Inner Asia.
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The fantastic conceit of the film's plot is that global warming (i) __________ global freezing. After a chunk of Antarctic ice the size of Rhode Island suddenly melts, most of what follows-an instant ice age, for example-is impossible as science but not as metaphor. The data from the Greenland ice sheet show that, over the past hundred thousand years, temperatures have often (ii) ___________ - so often that it is our own relatively static experience of climate that should now be seen as (iii) ___________.
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Ultimately, according to Zuger, all medical advice is _________ : it is educated guesswork, perhaps, but guesswork all the same.
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In a production process that is complex and often unpredictable, roles that start out discretely defined may become quite _____________.
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Duke Ellington managed his career with extreme deliberateness: nothing was _________, and even apparent compromises or trade-offs were actually artful accommodations leading to eventual triumphs.
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It is ironic that the scientist`s work was criticized recently for its _________ research methodology, since other researchers have argued for years that this same methodology was based absolutely on impeccable logic.
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