영어 모의고사 (자동 편성)

People often recognize, in calm reflection, that their future selves will be tempted to ①abandoning a goal they currently value. Rather than relying solely on willpower at the critical moment, they may choose to restrict their own future options in advance, a strategy ②known as precommitment. By making certain choices costly, inconvenient, or impossible to reverse, individuals can protect a long-term goal from a short-term impulse that has not yet ③arisen. A person hoping to save money might lock funds into an account that penalizes early withdrawal, removing the very temptation that would otherwise be difficult to ④resist. Similarly, someone ⑤determined to finish a project might publicly announce a deadline, transforming private intentions into a commitment that carries social consequences if broken.

Anyone who has tried to name the ink color of a word like red printed in blue letters knows how surprisingly difficult the task can feel. This everyday struggle, known as the Stroop effect, deserves more attention than casual curiosity grants it, because it reveals something fundamental about how the mind allocates its limited resources. Reading a familiar word is an automatic process practiced so extensively since childhood that it proceeds almost involuntarily ①, whereas naming a color requires deliberate ②, controlled attention. When these two processes point toward conflicting answers, the automatic pathway tends to intrude ③ upon the controlled one, slowing responses and decreasing ④ errors. Educators should not dismiss this delay as a trivial curiosity confined to laboratories, since the same competition between habit and intention underlies far more consequential situations, such as a driver's struggle to resist checking a phone despite knowing the danger. Recognizing how automatic responses can hijack conscious intentions is essential for designing environments, from classrooms to highways, that support rather than undermine ⑤ our efforts at self-control.

When people evaluate their personal contribution to water scarcity, they often consider only the water that flows directly from household taps, overlooking a far larger quantity consumed indirectly through the goods they purchase. The water footprint, a concept that extends this ①broad view, measures the total volume of freshwater used to produce the goods and services an individual or a nation consumes. Central to this concept is the notion of virtual water, the water embedded ②invisibly within a product, from irrigating cotton fields to livestock raised for meat. For instance, producing a kilogram of beef can require several thousand liters of water, whereas a kilogram of vegetables typically demands a fraction of that amount. Nations that import water-intensive goods rather than producing them domestically are importing virtual water from regions that may face ③severe shortages. Critics caution, however, that focusing ④exclusively on aggregate volume can mislead policymakers, since a liter of water drawn from a region suffering drought carries far greater consequences than one drawn from a water-⑤abundant area.

Classical economic theory assumes that consumers evaluate every price change in the same rational way, weighing marginal benefit against marginal cost regardless of the absolute numbers involved. Behavioral economists, however, have discovered a striking exception: the moment a price drops to exactly zero, people's judgment shifts in a way that ordinary discounting cannot explain. In a well-known laboratory experiment, participants chose between two chocolates, one of higher quality priced at a small fee and one of lower quality offered for free. When both prices were merely reduced by the same amount, most participants still preferred the higher-quality option. Yet once the cheaper chocolate's price was lowered to zero, the majority abruptly switched their preference, even though the price gap between the two options had not actually changed. Researchers explain this reversal by noting that _______________.

For decades, most vaccines worked by injecting a weakened or inactivated version of a pathogen, coaxing the immune system into recognizing an enemy it had never fought. mRNA vaccines take a different route, delivering a short genetic instruction wrapped in a protective lipid capsule, one that tells the body's own cells how to manufacture a harmless piece of a virus's outer surface protein. Once those cells display the fragment, the immune system learns to recognize it as foreign and builds a defense, without ever having encountered the actual pathogen. Because the vaccine contains no live virus and cannot alter a cell's own DNA, _______________. This speed, first proven on a global scale during a recent pandemic, has convinced many researchers that the same platform could eventually be adapted to fight diseases far beyond infectious illness.

Where structural functionalism emphasizes cooperation and stability, conflict theory begins from the premise that society is best understood as an ongoing struggle between groups with competing interests over scarce resources such as wealth, power, and prestige. Rooted in the writings of Karl Marx, classical conflict theory focused on the economic struggle between those who own productive resources and those who must sell their labor to survive, arguing that dominant groups shape laws, education, and even widely shared beliefs in ways that quietly protect their own advantage. Later sociologists broadened the framework well beyond economic class, applying conflict analysis to struggles organized around race, gender, and other categories of unequal social power. Unlike functionalists, who often interpret existing social arrangements as serving a necessary purpose, conflict theorists argue that _______________.

Retailers have discovered practical ways to counteract the negative effects of choice overload without simply reducing the number of products they offer. (A) One common strategy involves organizing an extensive product catalog into clearly labeled categories and subcategories, allowing customers to narrow their search gradually rather than confronting the entire array at once. (B) Another approach highlights a small number of curated recommendations, such as "staff picks" or "best sellers," giving hesitant customers a reasonable starting point without eliminating other options entirely. (C) Both strategies share a common principle: they do not reduce the objective number of choices available but instead reduce the cognitive burden of navigating them.

A society is often judged by how much intergenerational mobility it permits, since high mobility suggests that outcomes depend more on effort and ability than on the accident of birth. Social mobility refers to the movement of individuals or families between different positions within a society's system of stratification, whether upward, downward, or sideways. ( ① ) Sociologists distinguish intragenerational mobility, changes within a single person's lifetime, from intergenerational mobility, differences between the social position of parents and their children. ( ② ) Structural mobility, caused by large-scale economic shifts such as the growth of new industries, must be distinguished from individual mobility, which results from a single person's particular choices. ( ③ ) Research across many nations has found that education functions as the primary channel of upward mobility. ( ④ ) Yet access to quality education is itself unevenly distributed, meaning the very mechanism meant to promote fairness can end up reproducing the inequality it was designed to overcome. ( ⑤ )

The practical consequence of this precision has been a dramatic acceleration in the pace of genetic research itself. Bacteria have been cutting up invading viral DNA for billions of years, long before any scientist thought to borrow the trick for use in a laboratory. ( ① ) The CRISPR-Cas9 system, as it is now known, relies on a short guide RNA that matches a specific DNA sequence, leading a scissor-like enzyme called Cas9 directly to that exact location in the genome. ( ② ) Once Cas9 arrives at the target site, it slices both strands of the DNA helix, and the cell's own repair machinery rushes in to mend the cut, often introducing a small change in the process. ( ③ ) By supplying the cell with a template during this repair step, scientists can direct that machinery to insert a specific new sequence. ( ④ ) This goes well beyond merely disabling the original gene. ( ⑤ ) What once required years of painstaking work to alter a single gene can now, with a properly designed guide RNA, be accomplished within days.

주어진 문장: In other words, a single aggregate score cannot reveal which specific resource is actually under strain. The ecological footprint, a widely cited measure of how much biologically productive land and water a population requires to sustain its consumption, has become one of the most familiar tools for communicating humanity's environmental impact. By converting diverse activities, from driving to eating meat, into a single unit of land area, the measure allows policymakers to grasp whether a lifestyle exceeds what the planet can regenerate. ① This simplicity, however, is also the source of its most persistent criticism. ② Because the footprint aggregates dissimilar impacts, such as carbon emissions and water scarcity, into one composite figure, it can obscure important differences among problems that require distinct policy responses. ③ A region might reduce its footprint by lowering carbon emissions while simultaneously depleting a local aquifer, yet the aggregate number could still appear to improve, concealing damage that demands urgent attention. ④ Furthermore, the method assumes that all bio-productive land is roughly interchangeable, treating a hectare of forest as equivalent to a hectare of farmland, even though the two provide markedly different ecological functions. ⑤ ① ② ③ ④ ⑤