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One of the peculiarities of humans is that we irrationally gravitate to the predictable and avoid risk, whatever the reasons for this _____, it is hardly a sound basis for dealing with complex, long-term problems.
One _____ is that so far, Web services have turned out to be much harder to deliver than their champions had hoped.
Unlike some mammals—cows and sheep, for instance—that are notably _____, lions have a wide range of facial expressions.
Historian Barbara Alpern Engel's task in writing a book about women in Russia must have been a (i)_____ one, because the (ii)_____ the Russian empire's peoples meant that Russian women could never be treated as a homogeneous group.
The national bank has been uncommonly powerful in comparison to its counterparts in other nations. It remains this potency partly because its control of the nation's banking system is (i)_____ governmental interference, and thus its actions remain largely (ii)_____.
The material covered in this article has been (i)_____ in previous publications, and since currently neglected areas remained unexplored, the article contains no (ii)_____.
China's rapidly growing population is the main threat facing large carnivores in the People's Republic. Increasingly, policies aimed at limiting population growth have been (i)_____; nevertheless, the country's vast size and the isolation of many of its regions mean that human populations in areas where large carnivores still occur (ii)_____. This human pressure has (iii)_____ the South China tiger.
Asserting a need to preserve the _____ that became the hallmark of her predecessor's tenure, the new director of federal monetary policy refused to subscribe to rigid or mechanistic rules in policy making.
At first, most of the famous fairy tales seem so implausible and so irrelevant to contemporary life that their _____ is hard to understand.
Far from _____________ innovations, as the patent system was designed to do, the patenting of concepts such as gene sequences gives individuals and corporations a legal choke to hold over ideas that should be useful to all.
Advocates for workers' rights have adopted a new strategy, one that will require considerable ingenuity but that, if successful, could _____ a movement aimed at making labor rights an unassailable feature of American democracy.
In protoscientific (for example, in ancient Greece), claims about the physical world were often accepted as true if they were reasonable; experimental verification, if thought necessary at all, was _____.
The theory that the 1908 Tunguska event was the explosion of a cosmic body in the sky over Siberia is _____: no one has yet found fragments of the object or any impact craters in the affected region.
Although the political science professor's paper is quite (i)_____ about the government's problem, suggesting that they are part of (ii)_____ a process, the prognosis for the government is, on the contrary, actually quite auspicious.
Although the vast weight of evidence supports the contention that the products of agricultural biotechnology are environmentally (i)_____, many people still find them (ii)_____ unsettling.
The usual (i)_____ spending public monies on scientific projects is that such projects have the potential to make our lives healthier, safer, and more productive. However, the fact that science – even "pure" science – can strengthen democracy and promote public participation in the political process is hardly ever (ii)_____. It should be Scientific literacy (iii)_____ democracy, and this is an important ancillary benefit of the promotion of science.
Early practitioners of the natural sciences developed methods to remove distortions caused by either the research environment or the researcher. Such methods, especially with respect to the researcher, were considered to (i)_____ those (ii)_____ subjectivity whose unbridled expression was thought to (iii)_____ research.
The researcher noted that microbes, although _____, make up far more of the living protoplasm on Earth than all humans, animals and plants combined.
In Inuit culture, elaborate carving has often been used to enhance _____ object such as harpoon heads and other tools.
Benjamin Franklin's reputation is so much one of appearing scientific investigation with commonsense empiricism that it is somewhat startling to realize how _____ the great experiment's mentoring truly was.

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