영어 모의고사 (자동 편성)

A small bakery once sold a basic loaf of bread for three dollars and a premium loaf for six dollars, and most customers, ①uncertain about the added value of the pricier option, simply bought the cheaper one. The owner then introduced a third option: a slightly larger premium loaf priced at seven dollars, one that ②were clearly inferior to the six-dollar loaf in terms of value for money. Almost nobody chose the new seven-dollar loaf, yet sales of the six-dollar loaf rose sharply, because it now ③appeared to be an obvious bargain when placed beside the inferior newcomer. This pattern, ④confirmed across countless pricing experiments in other markets, demonstrates that people rarely judge options in isolation; instead, they evaluate choices relative to whatever alternatives happen to be nearby. Businesses have since learned ⑤to design such decoys deliberately, not expecting them to be purchased at all, but hoping they will make a specific target option look far more attractive by comparison.

Electric scooters have become a common sight on city sidewalks, ①offering a quick way to cover short distances, yet most riders climb on without ever putting on a helmet. Part of the problem is that renting a scooter takes only a few taps on a phone screen, while finding and carrying a helmet ②requires planning that many riders simply skip. Emergency room doctors note that scooter-related head injuries have risen sharply in recent years, ③closely tracking the rise in scooter popularity itself. Unlike a bicycle, which typically requires balance skills built up over years of practice, an electric scooter can reach a surprising speed within seconds, often faster than new riders ④expecting from something that looks simple to operate. Cities that have begun requiring helmets for scooter rentals ⑤report a measurable drop in serious injuries.

Adaptive learning apps promise something no traditional classroom can easily offer: a lesson plan that adjusts itself to each individual student in real time. As a student answers practice questions, the app ①tracks which concepts are mastered and which remain shaky, then quietly reshuffles the next set of problems to target the weaker areas. Early studies suggest that this ②personalized pacing can help struggling students catch up faster than a one-size-fits-all worksheet ever could. However, critics ③caution that an app cannot replace the encouragement, humor, and flexibility a human teacher brings to a lesson, especially when a student is frustrated rather than simply behind. There is also a subtler concern: students who grow used to ④instant, algorithm-generated feedback may struggle later with the slower, more ambiguous kind of feedback that real-world tasks and mentors typically provide, which could ⑤strengthen their ability to handle uncertainty outside the app.

Our class field trip to the national art museum began with a worksheet that I initially found ①annoying, since it asked us to stand in front of a single painting for a full five minutes before moving on. Five minutes felt unbearably long for one picture, and I nearly skipped ahead to the next room. Forcing myself to stay, however, I began noticing details that a quick glance would have missed entirely: a faint second figure hidden in the shadows, brushstrokes that grew ②rougher toward the edges of the canvas, a color repeated in three unrelated corners. My initial impression of the painting as simply pleasant slowly became something closer to ③fascination. Our teacher later explained that most museum visitors spend under fifteen seconds per artwork on average, which means they experience galleries as a ④sharp, detailed collection of individual works. That single afternoon taught me that patience, not ⑤expertise, is often the only thing separating a bored visitor from an amazed one.

Physicist Erwin Schrödinger devised a now-famous thought experiment not to describe an actual laboratory procedure, but to ①conceal an absurdity hidden within a leading interpretation of quantum mechanics. Imagine a cat sealed inside a closed box together with a radioactive atom, a Geiger counter, and a vial of poison gas rigged to break open the instant the atom decays. Because the atom's decay is governed by genuine quantum randomness, standard quantum theory describes the atom, before anyone looks, as existing in a ②superposition of having decayed and not having decayed at the same time. If the theory is applied consistently to the entire box, the cat itself would have to be considered ③simultaneously alive and dead until an observer opens the lid and looks inside. Schrödinger intended this image to sound obviously ④ridiculous, using the cat's absurd fate to question whether the act of observation truly determines physical reality, or whether the mathematics is simply being pushed ⑤further than it was ever meant to go.

Travelers who cross several time zones in a single flight often arrive feeling ①exhausted, foggy, and strangely out of sync with the local clock. The discomfort arises because the body's internal clock, which governs sleep, hunger, and alertness, continues to run on the schedule of the departure city even after landing. ②Realigning this internal clock to a new time zone is not instantaneous; researchers estimate that the body typically needs about one day to adjust for every time zone crossed. Flying eastward tends to produce more ③severe symptoms than flying westward, because advancing the internal clock forward is generally harder for the body than delaying it. Exposure to natural light at the right moments after arrival can help ④speed up the adjustment, since light is the strongest external cue the internal clock uses to reset itself. Without such adjustments, travelers may continue to experience disrupted sleep and reduced concentration for ⑤several minutes after a long international flight.

Setting a goal is only the first step; keeping track of progress is just as important. Many people write down goals at the beginning of the year but never check how far they have come. Without regular records, ___________. Keeping a simple log, such as a weekly checklist or a short journal entry, lets a person see clear evidence of improvement over time.

Feed an AI music program a mood, a tempo, and a rough genre, and within seconds it can generate a complete instrumental track. 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. For independent creators who cannot afford a composer, this has been a genuine breakthrough. Professional musicians, however, remain divided. Some welcome the tool as a quick way to sketch ideas before refining them by hand, while others worry that _______________.

A short nap taken in the early afternoon, often called a power nap, can noticeably sharpen attention and mood without leaving a person groggy afterward. The key lies in timing: naps limited to roughly twenty minutes allow the brain to pass through the lightest stages of sleep while avoiding the deeper stages associated with slow-wave activity. If a nap extends much beyond that window, _______________. Laboratory studies comparing napping and non-napping groups have repeatedly shown that a brief nap improves reaction time and short-term memory almost as effectively as a full night of extra rest. Interestingly, the benefit appears strongest when the nap occurs several hours after waking, since this is when the body's natural dip in alertness makes rest most effective. For this reason, many workplaces now designate quiet rooms where employees can recharge briefly during the day.

Sleep is not a single, uniform state but a cycle that alternates between two very different modes: REM (rapid eye movement) sleep and non-REM sleep. During non-REM sleep, especially its deepest stage, the brain waves slow down dramatically, the body temperature drops, and tissue repair and growth hormone release reach their peak. This is the period most closely associated with physical restoration. REM sleep, by contrast, brings rapid eye movements, near-total muscle paralysis, and brain activity that closely resembles wakefulness. Most vivid dreaming occurs during this stage, and researchers believe _______________. A healthy night typically cycles through both stages four or five times, with non-REM dominating the early hours and REM periods lengthening toward morning. Disrupting either stage, through frequent awakenings or alcohol use, can leave a person feeling unrested even after a full night in bed.