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For thirty years, Mr. Gellar had operated the antique shop on Elm Street as if it were a private museum rather than a retail business. To him, every cracked porcelain teacup and tarnished brass pocket watch possessed a living history that could not simply be bartered away to the highest bidder. I often sat on the faded velvet stool near the counter, watching him politely discourage customers whose appreciation for his treasures seemed superficial. 'No, no,' he would murmur, gently extracting a dust-covered volume of poetry from a tourist’s hands, 'that one is not quite ready to leave.'

My role was that of a quiet observer, a chronicler of his quiet eccentricities. While the townspeople regarded him as a stubborn hermit who stood in the way of his own financial success, I saw a dedicated guardian of history. I wondered if he realized that his refusal to participate in the modern rush of commerce was itself a form of art. When developers eventually bought the block to make way for a modern shopping complex, Mr. Gellar did not protest or join the public town hall debates; he simply locked the door, leaving his inventory exactly as it was, a silent monument to a bygone era that the rest of the world was too busy to remember. As I watched the dust settle on the windows from across the street, I realized that the shop's closure was not a defeat for Mr. Gellar, but rather the final, deliberate chapter of his collection.

Which of the following best describes the narrator's perspective and relationship to the events described in the passage?

The following passage is adapted from an essay on the history of dendrochronology, the scientific method of dating tree rings.

Paragraph 1 (lines 1–11)
In the early twentieth century, astronomer Andrew Ellicott Douglass was not seeking a new way to date archaeological sites; rather, he was looking for a terrestrial record of solar activity. Speculating that sunspot cycles influenced Earth's climate, Douglass reasoned that variations in precipitation would be recorded in the growth rings of trees. He began collecting samples of ponderosa pine in the American Southwest, believing that the width of each annual ring reflected the amount of rainfall in a given year. Through this work, Douglass realized that trees of the same species in a region shared distinct patterns of wide and narrow rings, creating a shared environmental timeline.

Paragraph 2 (lines 12–23)
As Douglass expanded his database, he realized that he could build a continuous chronology by overlapping patterns from living trees with those found in older wood samples. If a living tree’s inner rings matched the outer rings of a log from a historic cabin, the timeline could be pushed back in time. This technique of cross-dating allowed Douglass to construct a master sequence that spanned centuries. The application of this method soon caught the attention of archaeologists, who had struggled for decades to establish absolute dates for the ancestral Puebloan ruins of the American Southwest.

Paragraph 3 (lines 24–36)
The true breakthrough occurred in 1929 with the discovery of a charred beam at a site in Show Low, Arizona. Using his cross-dating technique, Douglass linked this specimen to both his existing floating chronology from prehistoric ruins and his historical timeline from living trees. This single discovery bridged the gap in his data, instantly providing absolute dates for major archaeological sites across the Southwest. Beyond dating, Douglass's method pioneered the field of paleoclimatology, demonstrating that tree rings could serve as biological archives of past climates long before human record-keeping.

Match each paragraph from the passage to its primary main idea.

### Passage

The Canvas of Action: How Abstract Expressionism Shifted the Focus of Painting

In the immediate aftermath of the Second World War, the center of gravity for the international art world underwent a dramatic geographical shift. For decades, Paris had reigned as the undisputed capital of modern art, attracting creators from across the globe who sought to participate in its vibrant, avant-garde dialogues. However, the physical and cultural devastation of the war left Europe fractured, creating a void that was quickly filled by a rising generation of painters in New York City. This group of artists, collectively known as the New York School, gave rise to Abstract Expressionism, a movement that would dismantle traditional European conventions of painting. While these artists differed widely in their individual styles and techniques, they were united by a revolutionary conception of their medium. By prioritizing the physical process of creation over the depiction of recognizable subjects, Abstract Expressionism fundamentally transformed the canvas from a space for representing the external world into a direct arena of the artist’s immediate action.

To understand this transformation, one must examine the subset of the movement known as "Action Painting," a term coined by art critic Harold Rosenberg in 1952. The most famous practitioner of this approach, Jackson Pollock, abandoned the easel altogether, laying unprimed canvases directly onto his studio floor. Using sticks, trowels, and hardened brushes, Pollock dripped, poured, and flung household paint across the surface, moving dynamically around the canvas. This technique, which Pollock termed "drip painting," was not merely a novel method of application; it was a physical performance. The resulting webs of color did not depict a landscape, a person, or an object, but rather recorded the physical gestures, speed, and energy of the painter. Rosenberg observed that the canvas was no longer a picture plane to be filled with pre-conceived images, but rather an arena in which to act. The act of painting, therefore, superseded the final product as the primary locus of artistic meaning.

A seemingly contrasting yet conceptually aligned branch of the movement emerged in the work of "Color Field" painters, such as Mark Rothko and Barnett Newman. Rather than the chaotic, gestural brushwork of Pollock or Willem de Kooning, Rothko's paintings consisted of large, luminous rectangles of color that appeared to float on saturated fields. These artists sought to evoke deep emotional and spiritual responses in the viewer. Despite the lack of overt physical motion in their finished works, Color Field artists shared the fundamental belief that the canvas was a site of direct encounter. Rothko insisted that his monumental paintings were not meant to be viewed from a distance; rather, their massive scale was designed to envelop the viewer, pulling them into the pictorial space. The canvas was not a window looking out onto another reality, but an environment that existed in the same room as the viewer, facilitating a direct, unmediated psychological experience.

The emergence of Abstract Expressionism was also deeply rooted in the psychological and intellectual currents of the mid-twentieth century. The devastation of the war, coupled with the growing existential anxiety of the Cold War era, led artists to reject the rationalist doctrines that had dominated pre-war art. Many turned to the theories of Carl Jung and the Surrealist concept of psychic automatism—the practice of painting without conscious control to unlock the subconscious mind. By bypassing rational premeditation, the New York School believed they could access universal human archetypes. The canvas became a diary of the psyche, where internal states were externalized through raw materials. This psychological focus reinforced the idea that painting was not a craft of illustration, but a spontaneous event of self-revelation.

By the late 1950s, Abstract Expressionism had achieved global dominance, cementing New York as the new epicenter of contemporary art. It paved the way for subsequent movements, including Minimal Art and Performance Art, by expanding the definition of what art could be. Ultimately, the New York School did not just change the style of painting; they changed its function. By declaring that the act of painting was itself the subject of the artwork, they liberated the canvas from the burden of representation, establishing a new paradigm where the medium was bound to the physical act of creation.

### Question

Based on the passage, which of the following statements best summarizes the primary main idea that the author explicitly states about the significance of the Abstract Expressionist movement?

Passage:

For centuries, early mariners relied on the astrolabe to navigate the open seas. The astrolabe allowed sailors to determine latitude by measuring the angle of a celestial body above the horizon. However, its accuracy was severely compromised by the motion of a pitching ship, as the device relied on gravity to align its vertical scale. In contrast, the marine sextant, introduced in the eighteenth century, resolved this instability. By utilizing a system of mirrors to bring the image of a star into alignment with the horizon, the sextant enabled navigators to measure angles directly between two points. Consequently, while the astrolabe required a stable platform to maintain its vertical orientation, the sextant functioned independently of gravity, allowing precise readings even on turbulent waters.

Based on the passage, how did the operational requirements of the astrolabe differ from those of the marine sextant?

In classical stone masonry, temporary wooden scaffolding known as centering must be erected to support the individual stones of an arch during its construction. Because gravity pulls the unfinished pieces downward, the arch cannot stand independently without this supportive framework holding the stones in place. However, once the mason inserts the central keystone at the apex, the structural dynamics shift. The weight of the stones compress against one another, creating a self-supporting span that distributes load outward to the abutments. At this point, the centering is dismantled, as the arch sustains its own shape, and the wooden framework would only obstruct the passageway below.

Based on the passage, the function of the wooden centering during the construction of a stone arch is most analogous to which of the following scenarios?

The biographer's initial portrait of the diplomat was one of unyielding resolve, celebrating her diplomatic triumphs without reservation. However, in the subsequent chapters of the volume, he was forced to qualify his praise as newly declassified documents revealed the strategic missteps of her final years in office. By introducing these complicating historical factors, the author did not seek to diminish her substantial legacy, but rather to present a more balanced, realistic account of a political career defined by both brilliance and human error.

As it is used in the passage, the word 'qualify' most nearly means:

When Louis Daguerre revealed his daguerreotype process to the French Academy of Sciences in 1839, the immediate reaction of the artistic establishment was not one of celebration, but of existential alarm. Painters feared that the camera's ability to capture reality with mechanical precision would render their craft obsolete. However, this anxiety overlooked a fundamental distinction: photography captured the world as it appeared to the lens, whereas painting represented the world as filtered through the human consciousness. In his 1859 review of the Salon, the poet and art critic Charles Baudelaire famously dismissed photography as the 'humble handmaid' of the arts and sciences, warning that if it were permitted to encroach upon the domain of the imaginary, it would soon supplant or corrupt painting entirely.

Which of the following best describes the rhetorical function of the third sentence ('However, this anxiety... human consciousness') in the passage?

In the early twentieth century, the Bauhaus school in Germany revolutionized design by merging fine art with functional craft. Its founder, Walter Gropius, argued that architecture and design must adapt to the modern machine age rather than cling to ornate historical styles. Critics of the time initially ridiculed the school’s minimalist aesthetic as sterile and industrial. However, the clean lines and steel-frame structures championed by Bauhaus soon became the foundation for international modernism, transforming the skylines of major cities worldwide.

In the context of the passage, what is the primary rhetorical function of the sentence 'Critics of the time initially ridiculed the school’s minimalist aesthetic as sterile and industrial'?

For over a century, economists assumed that financial markets behaved like physical systems in thermodynamic equilibrium, where external shocks are absorbed and stability is inevitably restored. In his 1997 treatise, however, theorist Benoit Mandelbrot introduced fractal geometry to price fluctuations, showing that market charts remain rough and turbulent at every scale. Many orthodox economists initially dismissed this mathematical framework as a mere descriptive curiosity. Yet, by proving that extreme market swings are not anomalous outliers but intrinsic features of financial systems, Mandelbrot’s work fundamentally challenged the risk-management models that underwrote global banking. It was not a rejection of economic order, but rather an invitation to redefine order through the lens of complexity.

In the context of the passage, which of the following best describes the rhetorical function of the final sentence ('It was not... complexity')?

Read the passage below and answer the question that follows.

To the members of the Royal Geographical Society, Dr. Beatrice Linley’s field journals were models of frustrating contradiction. While her charts of the high Pamir valleys were drafted with an almost mathematical austerity—barren of the decorative scrollwork and conjectural peaks common to the era—her written observations were dense with a restless, hyper-vigilant skepticism. Linley rarely recorded a geographical feature without immediately appending a list of reasons why her own instruments might have betrayed her, demonstrating a deep-seated distrust of the very tools that secured her reputation. Her colleagues frequently mistook this systematic self-doubt for intellectual timidity. In truth, however, Linley’s caution did not stem from a fear of being proven wrong by others; rather, she possessed an innate, constitutional aversion to any form of unverified assertion. Where other explorers saw valleys to be named, Linley saw only variables to be measured, displaying an unwavering dedication to empirical precision that bordered on the obsessive, even as it rendered her personal memoirs almost entirely unreadable.

According to the passage, Dr. Beatrice Linley’s approach to her geographical work was characterized by which of the following traits?

Passage

For over a century, the phlogiston theory dominated chemical philosophy. Proposed by Johann Joachim Becher and refined by Georg Ernst Stahl, the theory posited that all combustible materials contained a fire-like element called phlogiston, which was released into the air during burning. When a substance burned, it lost phlogiston, leaving behind a "calx" (residue). A key piece of evidence supporting this was that charcoal, which burned almost entirely away, was thought to be nearly pure phlogiston.

However, anomalies began to accumulate. When metals were burned, or "calcined," the resulting calx was heavier than the original metal. If phlogiston had been lost, the weight should have decreased. Supporters of the theory attempted to resolve this by claiming phlogiston had "negative weight" or was lighter than air, but these explanations grew increasingly strained.

The decisive shift came in the late eighteenth century through the work of Antoine Lavoisier. Recognizing that the negative weight hypothesis was physically untenable, Lavoisier conducted meticulous quantitative experiments sealing substances in closed vessels. He demonstrated that when metals calcined, they absorbed a specific component of the air, which he eventually named oxygen. Instead of losing an invisible substance, the metals gained weight because they combined with this gas. Lavoisier’s oxygen theory did not merely add to existing chemical knowledge; it fundamentally restructured the discipline by introducing the law of conservation of mass and establishing a new chemical nomenclature, rendering phlogiston obsolete.

Which of the following statements best summarizes the passage's central argument regarding the transition from the phlogiston theory to Lavoisier's oxygen theory?

Read the passage below. Fill in the blank with a single adjective that fits the context and carries a tone of bleak, unglamorous, and mundane reality, contrasting with the 'thrilling adventure' of the published logs.

For years, botanists suspected that a rare species of wildflower in the valley relied on specific soil microbes to survive. Although early greenhouse experiments were inconclusive, recent field studies have begun to pave the way for a deeper understanding of this symbiotic relationship. By analyzing soil chemistry near the roots, researchers finally identified the organic compounds that these microbes secrete, which directly assist the plant in absorbing nitrogen from the nutrient-poor soil.

As it is used in the passage, what does the phrase "pave the way for" most nearly mean?

I watched Arthur from the safety of the oak grove. For weeks, he had been obsessing over the old mill, tracing its structural beams with a surveyor’s eye and muttering to himself about the 'lost gears' of the valley. To the townspeople of Mill Creek, Arthur was merely an eccentric recluse whose grand designs were nothing more than the daydreams of a retired carpenter. They tolerated him, even smiled when he carried his rusted compass through the town square, but they never took him seriously.

I, however, saw something different. Having spent my youth reading my grandfather’s journals about the original industrial layout of the valley, I suspected Arthur’s eccentricity was actually a form of hyper-focused genius. When he walked down the dusty road, his eyes were not glazed over in madness; they were sharp, calculating, and fixed on a past that the rest of the town had long since buried.

One afternoon, Arthur finally beckoned me over to the mill's ruined threshold. He didn't speak. Instead, he simply pointed to a seam in the stone foundation where a small bronze plate was embedded. It was the mark of the Valley Guild, a secret society of draftsmen my grandfather had written about. In that moment, I realized my role was not just to watch him, but to document his discoveries before the town council cleared the site for the new highway. I pulled out my notebook and began to write.

Which of the following best describes the narrator's point of view and relationship to the events in the passage?

Passage

In December 1938, the chemist Otto Hahn and his assistant Fritz Strassmann performed a series of experiments in Berlin, bombarding uranium nuclei with neutrons. To their surprise, the chemical analysis revealed the presence of barium, an element much lighter than uranium. This outcome defied the prevailing belief that atomic nuclei could only chip away, not split into large pieces. Confused, Hahn wrote to his longtime physicist collaborator, Lise Meitner, who was living in exile in Sweden. Meitner, walking through a snowy forest with her nephew Otto Frisch, pondered the puzzling data. Using Niels Bohr’s model of a nucleus behaving like a liquid drop, she calculated how a nucleus could stretch and divide under neutron bombardment, releasing immense energy. She immediately sent these calculations back to Hahn. In early 1939, Hahn published the experimental results detailing the presence of barium, omitting Meitner's name from the paper. He later asserted that including a Jewish scientist in the publication would have endangered his own position in Germany. Although Meitner’s theoretical framework resolved the chemical anomaly, the Nobel Committee subsequently awarded the chemistry prize for the discovery to Hahn alone.

Based on the passage, match each of the key events or decisions from the historical narrative of the discovery of nuclear fission with the implicit relationship or motivation that explains its role in the events.

The debate over language acquisition in children has historically been defined by two contrasting paradigms. B. F. Skinner, a pioneer of behaviorism, argued that language is acquired through environmental conditioning. In his view, children learn language by imitating adult speakers and receiving positive reinforcement—such as praise or successful communication—when they produce correct utterances. According to Skinner, the human mind begins as a blank slate, and linguistic capacity is constructed entirely from external stimuli.

Conversely, linguist Noam Chomsky proposed a nativist theory, arguing that reinforcement alone cannot account for the rapid, creative ways children learn language. Chomsky pointed out that children routinely produce sentences they have never heard before, a phenomenon he termed the 'poverty of the stimulus.' He hypothesized that humans are born with an innate Language Acquisition Device (LAD) containing universal grammar rules. While Skinner viewed language learning as an active process of habit formation driven by external rewards, Chomsky conceptualized it as the natural unfolding of an internal biological blueprint triggered by environmental exposure.

According to the passage, which of the following statements best describes how Skinner's and Chomsky's theories differ regarding the primary driver of language acquisition?

While nineteenth-century Gothic Revival architects in England sought to restore medieval spiritual values through soaring spires and pointed arches, their contemporary John Ruskin argued that true architecture was inseparable from the moral state of the society that built it. In his treatise *The Stones of Venice*, Ruskin did not merely praise the aesthetics of Gothic buildings; he analyzed the physical marks left by the medieval stonemasons on the blocks. To Ruskin, the unevenness of the hand-carved stone was not a flaw but a testament to the freedom and individuality of the worker, contrasting sharply with the soul-crushing uniformity of modern industrial manufacturing. By focusing on the labor behind the ornament, Ruskin shifted the debate from stylistic imitation to social critique.

What is the primary rhetorical function of the third sentence ('To Ruskin... manufacturing') in the context of the passage as a whole?

### Passage

The Plastic Brain: The Mid-Twentieth Century Re-evaluation of Neurological Permanence

For decades, the standard dogma in neuroscience was that the adult human brain is a static organ, fixed in its structure and neural pathways once development is complete. This view, championed by early neuroanatomists like Santiago Ramón y Cajal, suggested that while the young brain possesses immense adaptability, the mature brain's circuitry is essentially hardwired. Cajal famously wrote that in the adult centers, "the nerve paths are something fixed, ended, and immutable," a sentiment that guided therapeutic approaches to brain injury for more than half a century. Patients who suffered strokes or traumatic brain injuries were often given bleak prognoses, with rehabilitation programs focusing on compensating for lost functions rather than expecting any actual recovery of the damaged neural pathways.

However, in the mid-twentieth century, a series of pioneering experiments began to challenge this rigid paradigm, culminating in the realization that the mature brain is actually a dynamic, self-reorganizing structure that retains the capacity to alter its physical anatomy and functional pathways in response to experience and injury. This concept, which came to be known as neuroplasticity, represents one of the most profound shifts in modern medicine and biology.

One of the first lines of evidence came from researchers studying sensory deprivation and enrichment in animals. In the 1960s, a team of researchers at the University of California, Berkeley, led by Marian Diamond, placed rats in different environmental conditions. Some rats were housed in "enriched" environments filled with toys, obstacles, and social companions, while others were kept in standard or "impoverished" cages. Diamond and her colleagues made the startling discovery that rats in enriched environments developed a thicker cerebral cortex, with more complex dendritic branching and larger numbers of synapses. This provided direct, anatomical proof that even mature brains could physically alter their structure in response to environmental stimulation, dismantling the notion of a static neural architecture.

Around the same time, studies in neurorehabilitation began to demonstrate remarkable recoveries in human patients that could not be explained by the old hardwired model. The work of Paul Bach-y-Rita was instrumental in this regard. Bach-y-Rita hypothesized that the brain could learn to process sensory information in novel ways if the primary sensory organs were damaged. He developed a tactile-to-visual substitution system, which translated images from a camera into mechanical vibrations on a grid placed against a patient's back. Blind subjects using this device eventually began to perceive these tactile sensations as visual objects in space. Bach-y-Rita's experiments demonstrated that the brain's sensory processing regions are not locked into a single sensory modality, but can reorganize to interpret completely different inputs.

Further confirmation of adult plasticity came from the field of electrophysiology. In the 1980s, Michael Merzenich conducted a series of experiments mapping the somatosensory cortex of adult monkeys. Merzenich mapped the specific areas of the brain that responded to touch on individual fingers. When a finger was surgically amputated, he observed that the brain region previously dedicated to that finger did not become silent. Instead, the adjacent brain regions expanded to occupy the unused neural territory. Conversely, when monkeys were trained to use specific fingers repeatedly to obtain food, the cortical representations of those fingers expanded significantly. Merzenich’s mapping experiments showed that the adult brain's functional organization is constantly being redrawn based on sensory input and behavioral demands.

Despite these findings, the scientific community was slow to fully accept neuroplasticity, largely due to the persistence of the static-brain dogma. It was not until the late 1990s, with the discovery of adult neurogenesis—the birth of new neurons in the adult hippocampus—by Elizabeth Gould and others, that the final resistance crumbled. Today, neuroplasticity is the foundational concept underlying modern neurological rehabilitation, cognitive therapy, and our understanding of learning and memory. The shift from a static to a plastic view of the brain has not only revolutionized medicine but has also transformed our view of human potential, showing that we are not entirely bound by the structural limits of our early development.

Based on the passage, is the following statement true or false?

Statement: The central thesis of the passage is that mid-twentieth-century scientific research successfully challenged the established dogma of a static adult brain, proving that the mature brain is a dynamic structure capable of physical and functional reorganization.

The following passage is adapted from an article about the history of astrophysics and cosmology.

[Paragraph 2] (lines 12–23)
In 1964, radio astronomers Arno Penzias and Robert Wilson set out to measure radio signals from the spaces between galaxies using a highly sensitive horn antenna. Instead of clean data, they encountered a persistent, low-frequency hum that remained constant regardless of where they pointed the instrument. They meticulously ruled out potential sources of interference: they shielded the antenna from terrestrial broadcasts, cooled their receiver with liquid helium, and even scrubbed away debris left by nesting pigeons. Despite these efforts, the background noise persisted. This annoying static, which they eventually realized was the cosmic microwave background radiation—the thermal remnant of the universe’s creation—provided the first empirical support for the Big Bang theory, fundamentally altering the field of cosmology.

Which of the following statements best describes the main idea of Paragraph 2 (lines 12–23)?

For decades, paleoanthropologists framed Neanderthals as cognitive simpletons, incapable of symbolic thought or abstract artistic expression. This narrative began to fracture with the discovery of decorated raptor talons and red ochre markings in Spanish caves, dated to a period preceding modern human arrival. While some researchers quickly dismissed these artifacts as accidental scrapings or the product of cross-species imitation, the sheer consistency of the applications suggested a deliberate, shared cultural practice. The debate is not merely academic; it strikes at the core of what we define as uniquely human. By challenging the cognitive monopoly of Homo sapiens, these findings force us to re-evaluate the evolutionary origins of art itself.

Which of the following best describes the primary rhetorical function of the sentence 'The debate is not merely academic; it strikes at the core of what we define as uniquely human' in the context of the passage as a whole?