영어 모의고사 (자동 편성)

Anyone who has ridden a bicycle after a decade away from one has likely ① experiencing muscle memory firsthand: the body seems to recall a complex skill almost instantly, even when conscious memory of the exact movements has faded. Contrary to what the name suggests, muscles themselves do not actually store memories; the phenomenon originates in the brain and nervous system, where repeated practice gradually ② shifts control of a well-learned movement from regions associated with conscious thought to areas that operate largely automatically. This shift explains why a skilled athlete can ③ execute a complicated sequence of movements without consciously thinking through each individual step, freeing mental attention for strategy and decision-making instead. Interestingly, research also suggests that these neural pathways can remain partially intact even after long periods without practice, which is why relearning a skill is typically much ④ faster than learning it for the very first time. Coaches often exploit this principle by ⑤ ensuring that fundamental techniques are practiced correctly from the very beginning.

Wearable devices ① that track sleep have become enormously popular, promising a detailed breakdown of light, deep, and REM sleep each night. These gadgets typically rely on movement sensors and heart rate monitors ② to estimate sleep stages, since directly measuring brain activity would require equipment found only in a sleep laboratory. Independent studies ③ compares wearable data with polysomnography, the gold-standard method used in clinical sleep labs, have found that consumer devices are reasonably accurate at distinguishing sleep from wakefulness but considerably less reliable at identifying specific sleep stages. Some trackers overestimate deep sleep, while others ④ underestimate the amount of time spent in REM sleep, and the margin of error can vary widely between brands. Despite these limitations, many users have come ⑤ to treat the nightly score generated by their device as an objective medical verdict, sometimes experiencing anxiety when the number falls below what they expect, a phenomenon researchers have begun calling orthosomnia.

Psychologist John Suler proposed a concept called the online disinhibition effect, describing how people behave differently on the internet than they do face to face. Because usernames often hide real identities and screens create physical distance from others, individuals feel freer to express themselves without immediate social consequences. This freedom can be ①beneficial, allowing shy people to share honest feelings they would normally hesitate to reveal in person. However, the same anonymity frequently produces a ②darker outcome, encouraging users to post cruel comments they would never say to someone's face. ③Malicious remarks left under celebrities' photos or news articles illustrate how quickly this behavior can spread once a few users set the tone. Such comments often cause ④severe emotional harm to the people who receive them. Therefore, users must recognize that a screen does not erase moral responsibility, and platforms should ⑤weaken accountability rather than letting anonymity excuse harmful conduct.

Blue, for instance, is frequently used by financial and technology companies because it tends to evoke feelings of ①trust and stability. Green typically signals ②freshness or environmental responsibility, making it a popular choice for organic food brands. Despite these general patterns, cultural context matters significantly, since a color that suggests luck in one country might suggest ③mourning in another. Marketers who ④ignore these cultural differences risk sending ⑤intended messages to international audiences. For this reason, companies expanding into new markets often conduct extensive research before finalizing a logo's color scheme.

Imagine two factories making the same product: one in a country with ①**strict** carbon rules, and one in a country with almost none. The factory facing stricter rules often spends more, which can make its goods ②**pricier** than those made elsewhere. To fix this imbalance, some governments have introduced the carbon border adjustment mechanism, a policy charging imported goods a fee based on how much carbon was released while producing them. Supporters argue that the system ③**protects** domestic industries and pushes foreign manufacturers toward cleaner methods. However, critics claim it unfairly ④**benefits** developing countries, which often lack money to modernize factories quickly. For example, a small exporter in a poorer nation might struggle to pay the added charge, though it contributes ⑤**little** to global emissions. Still, if wealthier nations pair the policy with technical support, it could become a genuinely fair tool for cutting emissions worldwide.

As companies collect enormous amounts of personal data to improve their products and target advertisements, serious ethical questions have emerged about how that information should be handled. Employees who work with big data now face ①minimal responsibilities that previous generations rarely encountered, since a single careless decision can expose millions of people's private information. Some argue that strict regulations should govern data collection, even if such rules ②slow innovation and increase costs for businesses. Others insist that self-regulation within companies, guided by clear ethical training, can protect consumers just as ③effectively without stifling progress. Most experts agree that professionals handling sensitive data must be trained not only in technical skills but also in ethical ④decision-making. Universities have begun adding data ethics courses, recognizing that future employees will need to ⑤balance innovation with responsibility.

When Daniel was a child, he dreamed of becoming an astronaut, yet he assumed such careers belonged only to a handful of government scientists. During an internship, he helped design a small satellite intended to monitor crop health from orbit, a project that combined engineering with agricultural science. He realized that ___________. After graduation, Daniel joined a startup developing lunar landing equipment, a job that barely existed when he first imagined his future career.

주어진 문장: This pattern echoes what happened during previous waves of industrial automation. Self-driving technology is advancing rapidly, and its impact on the transportation industry is becoming increasingly visible. ( ① ) Companies are testing autonomous trucks that can travel long distances without human drivers, potentially transforming how goods move across countries. ( ② ) At the same time, millions of professional drivers worry about losing their jobs as automation spreads through the industry. ( ③ ) Experts predict that certain driving jobs, particularly long-distance trucking, may shrink significantly within the next two decades. However, new roles are also emerging, including remote vehicle operators and technicians who maintain the complex sensors these vehicles depend on. ( ④ ) Workers who adapt their skills toward supervising and maintaining these systems are likely to find new opportunities rather than face unemployment. ( ⑤ )

주어진 문장: This limitation means the technology has not yet fully replaced conventional factories. Three-dimensional printing technology is changing how products are designed and manufactured across many industries. ( ① ) Unlike traditional manufacturing, which often requires expensive molds and long production times, 3D printers can create complex objects directly from digital files within hours. ( ② ) This flexibility allows companies to produce small batches of customized products without the massive costs typically associated with mass production. ( ③ ) Hospitals now use 3D printing to create prosthetic limbs tailored precisely to individual patients, while automakers use it to build lightweight parts. ( ④ ) However, experts caution that 3D printing still struggles to match the speed of mass production for extremely large orders. ( ⑤ ) As printing materials improve and machines become faster, the technology is expected to play an increasingly central role in future manufacturing.

주어진 문장: The financial and reputational damage caused by a single attack can be enormous. As more businesses move their operations online, cyberattacks have become one of the most serious threats facing modern companies. ( ① ) Hackers now target everything from small retail websites to massive financial institutions, stealing sensitive data or demanding ransom payments. ( ② ) In response, demand for cybersecurity professionals has surged across nearly every industry. ( ③ ) These specialists design systems that detect suspicious activity, patch vulnerabilities before criminals can exploit them, and train employees to recognize phishing attempts. ( ④ ) Universities have responded by creating specialized degree programs, while many companies now offer scholarships to attract students into this growing field. ( ⑤ ) Despite this expansion, experts estimate that millions of cybersecurity positions worldwide remain unfilled.