영어 모의고사 (자동 편성)

A single fertilized egg eventually gives rise to every cell type in the human body, from neurons to bone, a feat that has ①fascinated biologists for more than a century. Embryonic stem cells retain much of that original ②versatility, capable in principle of developing into almost any tissue, which is why researchers have long viewed them as a promising raw material for repairing damaged organs. Because harvesting these cells traditionally required destroying a human embryo, the research ③eliminated ethical objections fierce enough to slow funding and legislation in several countries for years. A breakthrough arrived when scientists discovered that ordinary adult skin cells could be reprogrammed into a state resembling embryonic versatility without ever touching an embryo. These induced pluripotent cells have not entirely erased the ethical debate, but they have opened a path for stem cell research that far more scientists and funding agencies are ④willing to ⑤support.

It is often assumed that memory operates independently of bodily context, yet research suggests that this assumption deserves reconsideration. When information is learned under a particular physiological or emotional condition, retrieval tends to ①improve if that same condition is reinstated at recall, a phenomenon researchers call state-dependent memory. Individuals who study while mildly anxious, for instance, often recall material more ②accurately when tested under similarly anxious conditions than when tested while calm, even though calmness is typically considered more conducive to concentration. This finding should prompt educators to reconsider the assumption that a single optimal testing environment exists for every learner, since matching internal states across encoding and retrieval provides retrieval cues that a ③mismatched state cannot supply. Critics might argue that such effects are minor and inconsistent, yet accumulated evidence across pharmacological and emotional studies is ④easy to dismiss. Policymakers designing assessments should therefore weigh not only content difficulty but also the physiological continuity between preparation and examination, since ignoring this dimension risks ⑤underestimating certain students' actual knowledge.

As more schools shift toward digital textbooks and online assignments, a student without reliable internet access at home faces a disadvantage that has little to do with talent or effort. During recent years, this gap became ①impossible to ignore, as families in rural areas or low-income neighborhoods struggled to complete schoolwork that assumed a stable connection and a personal device. Some policymakers initially treated internet access as a ②convenience, comparable to cable television, rather than as infrastructure essential to modern life. That assumption is increasingly being reconsidered, particularly as more essential services move online by default. Closing this divide will require ③far less than simply distributing devices; it will demand ④sustained investment in the physical networks that carry information into every home, ⑤regardless of income or location.

Identical information can provoke strikingly different reactions depending on how it is worded, a phenomenon economists call the framing effect. Patients told that a surgical procedure carries a ninety percent survival rate tend to ①consent to it far more readily than patients told that the same procedure carries a ten percent mortality rate. This discrepancy arises because language does more than transmit facts; it also supplies an ②emotional lens through which those facts are interpreted. Positive framing, which emphasizes what will be ③preserved or gained, tends to encourage risk-averse choices, whereas negative framing, which emphasizes what might be lost, often pushes people toward ④safer alternatives in an attempt to avoid the loss altogether. Marketers, healthcare providers, and policymakers alike ⑤exploit this asymmetry, sometimes to help audiences make sounder decisions and sometimes merely to steer them toward a predetermined conclusion.

City governments increasingly market dense networks of surveillance cameras as a straightforward safety upgrade, promising ①faster emergency response and lower crime rates. In many cases, the technology delivers exactly what it promises, helping investigators identify suspects within hours rather than weeks. Yet the same infrastructure that catches criminals also creates a ②permanent record of where ordinary, law-abiding citizens go about their daily lives. Once a camera network exists, its purpose can quietly ③shrink, from tracking traffic accidents to monitoring political protests, often without new public debate or explicit approval. Civil liberties groups argue that a city should decide how much surveillance it wants before the cameras go up, not years ④afterward when the infrastructure is already impossible to remove. Convenience installed today, in other words, can quietly become ⑤control tomorrow.

Many households save far less for retirement than conventional financial advice would recommend. Some economists have proposed a savings program in which employees commit today to allocating a portion of their future salary increases toward retirement savings, rather than being asked to reduce their current take-home pay immediately. Field trials of such programs have reported substantial increases in average savings rates. This approach demonstrates that savings policy grounded in realistic assumptions about human psychology can prove considerably more ___________ than policy grounded in the assumption that individuals will always act in strict accordance with their own long-term rational interests.

Traditional economic models predict that a rational individual offered any positive sum of money, however small, should accept it without hesitation. A simple experimental exercise known as the ultimatum game consistently contradicts this prediction: when the proposer offers a division perceived as unfair, the second participant frequently rejects the offer entirely, leaving both parties with nothing. Such evidence challenges the assumption that economic actors pursue only their own material self-interest, demonstrating instead that considerations of ___________ can override the straightforward pursuit of maximum individual gain.

Confirmation bias becomes particularly consequential in political discourse, where citizens must evaluate competing claims about complex issues. (A) As a result, exposure to more information does not necessarily produce more accurate beliefs; it can instead deepen existing divisions by giving each side additional material that appears to validate its own position. (B) Voters who favor a particular policy tend to seek out news sources and commentators who share that view, while largely avoiding those who might challenge it. (C) This selective consumption means that two people examining ostensibly the same news environment can end up with radically different, mutually reinforcing interpretations of events.

Social media platforms rarely show users a neutral stream of information. (A) Over time, users exposed to a steady diet of emotionally charged content may come to believe that extreme opinions are far more common than they actually are. (B) Instead, recommendation algorithms are optimized to maximize engagement, and content that provokes strong emotion tends to hold attention longer than balanced reporting ever could. (C) Researchers describe this as a distorted mirror: the platform reflects not society as it truly is, but a version shaped by whatever keeps people scrolling.

This admission, however, is precisely what the sunk cost fallacy makes so difficult to accept. Consider a construction firm that has spent several years and a substantial budget building a bridge, only to discover partway through that a cheaper and safer alternative route has since become available. ( ① ) A purely forward-looking analysis would compare the remaining cost of finishing the original bridge against the total cost of switching to the new route, ignoring whatever has already been spent. ( ② ) If the new route is genuinely cheaper going forward, the rational choice is to abandon the original project regardless of how much money it has already consumed. ( ③ ) Abandoning the project, however, requires the firm's leadership to publicly acknowledge that a significant portion of the original investment produced no lasting value. ( ④ ) As a result, firms often continue projects long after the numbers clearly favor stopping, simply to avoid confronting this uncomfortable truth. ( ⑤ ) The bridge, in such cases, becomes less a matter of engineering than a monument to the difficulty of admitting a costly mistake.