영어 모의고사 (자동 편성)

Many people believe that a new habit becomes automatic after only twenty-one days, but researchers who ①examined real behavior found a different number. This project, ②called the 66-day habit formation study, tracked volunteers who tried to adopt a new daily habit, like drinking water with lunch. Researchers measured how automatic each action felt over time and found that habits ③needing an average of sixty-six days to become effortless. Yet the actual time varied widely, ranging from about eighteen days for simple habits to over two hundred days for ④difficult ones. This wide range explains why the popular twenty-one-day claim, though easy ⑤to remember, rarely matches real experience.

Some critics ①dismiss this approach as impractical, arguing that most people cannot afford to prioritize ethics over affordability in daily life. However, supporters point out that value-based spending does not require constant ②sacrifice; it often means buying fewer, higher-quality items rather than accumulating cheap goods that wear out quickly. This shift also encourages companies to improve their practices, since consumer demand increasingly rewards ③transparency and responsibility. For example, a clothing brand that openly shares its supply chain information may attract ④disloyal customers willing to pay slightly more. Ultimately, value-based consumption suggests that spending money is not merely an economic act but also a ⑤reflection of personal values.

When people consistently sleep too little, the body's hormonal balance shifts in ways that can ①quietly encourage weight gain. Two hormones in particular play ②opposing roles in regulating appetite: leptin signals fullness to the brain, while ghrelin stimulates the sensation of hunger. Studies show that sleep deprivation lowers leptin levels while raising ghrelin levels, so a tired body ends up feeling ③fuller than it actually needs to be, even after a normal-sized meal. At the same time, insufficient sleep interferes with how efficiently the body processes glucose, making cells less ④responsive to insulin and leaving more sugar circulating in the bloodstream than usual. Over months or years, this combination of increased appetite and reduced insulin sensitivity can contribute to steady weight gain and raise the risk of developing type 2 diabetes. Because these effects build up so ⑤gradually, many people never connect their shifting eating habits or worsening blood sugar to something as ordinary as a few lost hours of sleep each night.

Years ago, a small shoe company struggled to compete with larger, well-funded rivals in the market. Its products were solid, but customers rarely remembered the brand after a single purchase. One day, the founder decided to share the story behind the company: how her grandfather had once repaired shoes for factory workers who could not afford new pairs. She began printing this story on every shoebox and posting it across social media. Surprisingly, customers started responding not just to the shoes themselves but to the values the story represented. Sales slowly increased as people felt they were supporting something meaningful rather than simply buying a product. Other companies noticed this shift and began crafting their own narratives, hoping to create similar emotional connections. Eventually, the founder realized that ___________.

Jian wanted to become a reader for years, but every time he picked up a thick novel, he felt overwhelmed and quickly closed it. His cousin, who had read dozens of books that year, told him about something called the two-minute rule. This rule states that a new habit should be shrunk to under two minutes, since a smaller starting point ___________. Instead of committing to a full chapter each night, Jian promised himself only to open a book and read one page.

Aerobic exercise, such as jogging, swimming, or cycling at a steady pace, produces a wide range of benefits that extend well beyond simple calorie burning. (A) This adaptation explains why trained athletes often have a much lower resting heart rate than sedentary individuals of the same age. (B) Over weeks of consistent training, the heart gradually enlarges and becomes more efficient, delivering the same amount of oxygen to working muscles while beating fewer times per minute. (C) Most fundamentally, it strengthens the heart itself, forcing it to pump larger volumes of blood with each beat.

Implementation intentions have become one of the most widely studied tools in behavioral psychology for helping people reach their goals. (A) Unlike a vague goal such as "I will exercise more," an implementation intention specifies both the situation that triggers the behavior and the exact action that follows. (B) Because the decision has already been made in advance, people no longer need to rely on willpower at the critical moment when the temptation to skip arises. (C) For example, a person might decide, "If it is seven in the morning, then I will put on my running shoes immediately," rather than simply hoping to find time to exercise.

Instead of typing keywords into a search bar, a growing number of people now simply upload a photo and let an algorithm figure out what it contains. (A) The system works by breaking an image down into countless small features, such as edges, colors, and shapes, then matching that pattern against millions of stored examples. (B) This process, known as reverse image search, compares the visual patterns in a picture against a massive database, identifying everything from a landmark in the background to the exact model of a pair of sneakers. (C) It is not flawless, however; a blurry photo, an unusual camera angle, or an object partly hidden behind another can easily confuse the algorithm.

Some welcome the tool as a quick way to sketch ideas before refining them by hand. Feed an AI music program a mood, a tempo, and a rough genre, and within seconds it can generate a complete instrumental track, ready to be dropped under a video or used as background music for a small business. ( ① ) The software has studied thousands of existing songs, learning which chord progressions and rhythms tend to sound pleasant together, and it recombines these patterns into something new rather than copying any single source directly. ( ② ) For independent creators who cannot afford a composer or expensive licensing fees, this has been a genuine breakthrough. ( ③ ) Professional musicians, however, remain divided. ( ④ ) Others worry that a flood of AI-generated background music could quietly push human composers out of smaller, lower-budget projects, the very jobs many musicians once relied on to build a career. ( ⑤ )

A joke that depends on wordplay in one language, for example, may become confusing or even meaningless once it is translated literally into another. Only a decade ago, translation apps produced sentences so awkward that users often laughed at the results rather than trusting them. ( ① ) Today, many of these apps rely on neural networks that analyze entire sentences at once, capturing context instead of translating word by word. ( ② ) This shift has made everyday tasks such as reading a foreign menu or chatting with an overseas friend remarkably smooth. ( ③ ) Frequent travelers now point their phone cameras at street signs and receive an instant translation overlaid on the screen. ( ④ ) Even so, the technology still struggles with humor, sarcasm, and cultural nuance, areas where a single wrong word can completely change the intended meaning. ( ⑤ ) For this reason, professional translators argue that these apps are best treated as a helpful starting point rather than a final, polished result.