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In triangle ABC shown, what is the length of line segment AD ?
In the xy-plane, the point (t, t-1) lies on the line with equation y = $$ - \frac{1}{2}$$ x +$$\frac{1}{3}$$ . What is the value of t?
Any time the double helix of DNA is cut, the cell initiates what is usually ____________ repair to the break: during the mending process, a few letters of DNA usually get deleted.
Translators are becoming less rather than more (i)____________. Few readers are (ii)____________ the person who translates their favorite foreign novelist, even though that person will have a huge influence on the tone and feel of every page.
The comments are (i)____________ to be sure, meant to suggest new lines of research rather than to deal with the subject in (ii)____________ manner.
Which of the following best describes the function of the highlighted sentence?
Which of the following statements about Baksei Chamkrong can be inferred from the passage?
During the early years of the United States environmental movement in the 1960s and 1970s, alarmed activists, warning that nature was in danger of being irredeemably destroyed by human activity, demanded a variety of environmental protections, including the preservation of wilderness areas as national parks. But these environmentalists' conceptual framework came under scrutiny shortly thereafter as cultural critics--especially those who were part of the theory revolution that transformed and preoccupied literary study into the end of the century--began to spread the postmodern wisdom that these parks museumized nature and that the wilderness they tried to preserve was not the primeval wild but a social construction. A consensus was growing that all areas of human life--from people's personal attitudes to the mediascapes they inhabited to the ideas they formed and the built worlds in which they dwelt--were socially constructed; and these attitudes were quickly extended to nature, especially since ecologists and environmental historians had become so clear in demonstrating the determinative effects on nature of human beings, from ancient to modern times.

One important result of this change in thought was that a number of qualities that 1960s and '70s activist ecologists had felt nature self-evidently possessed seemed to be suddenly undercut--and in a startling and provocatively contrarian manner. Most important, nature's once apparent-Otherness seemed suddenly to be no more. In fact, it seemed to vanish in a number of different ways. Human beings had so encroached on nature, the apocalypticists had shown, that nature was no longer independent of people. Supplementing this sense of radical contemporary change were environmental historians' insights into how radically the earth's ecosystems had been reshaped over the course of human history, from the emergence mankind to the invention of agriculture to the rise of modern society. Ideas of a timeless or pure nature were thus discredited. Finally, on the level of intellectual history, nature's "otherness" was undermined in an equally decisive manner when cultural theorists began to argue that this supposed attribute was not only a socially constructed ideology, but an ideology of surprisingly recent vintage. The "otherness" of nature was an ideology that had been put in place during the romantic period of the nineteenth century--and put in place so decisively that it seemed to be the nature of nature.
The passage suggests that the "cultural critics"
The "ecologists and environmental historians" are important to the author's argument because they
The author would be most likely to agree with which of the following assertions about the "ideology"?
The highlighted sentence primarily serves to
Computational psychologists, since they take the operation of a computer as a model, ____________ concepts from computer science to explain what the mind is and how it works.
At first glance, the new CEO stands in stark contrast to his predecessor: while Simpkins came across as a scolding headmaster, his successor appears ____________.
Which of the following, if true, would most strengthen the argument?
His responses were succinct and were given with such ____________ that at one point she felt as if he had been supplied the questions beforehand in order to prepare for the meeting.
Klein has dedicated her career to rooting out and exposing scientific fraud. She is indisputably a partisan, editorializing sharply against poor oversight and vague retraction notices, yet her focus on evidence over accusations (i)____________ earlier watchdogs who sometimes seemed ((ii)______________ personal animus.
Direct imaging cannot yet be done for a terrestrial exoplanet because of the daunting optics challenges. For one thing, the glow of a terrestrial exoplanet could be much more (i)____________ than that of its host star. If this is the case, scientists would have to (ii)____________ much of the host star's light to (iii)____________ the exoplanet.
Why is the idea that self-deception contributes to happiness so (i)____________? The (ii)____________ of self-deception leads people to assume that it must have some function, that it is, in fact, adaptive in the sense that it helps us survive and thrive. But one could (iii)____________ by arguing that the capacity for self-deception is actually only a by-product of other features of the human mind that are beneficial for reasons other than their being implicated in producing self-deception.
There is a clear trend away from automobile ownership and solo driving among young people. One view holds that these young people will (i)____________ as they age, but Willson argues that the trend is (ii)____________ one. As a result, car-free lifestyles will become more (iii)____________.

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