영어 모의고사 (자동 편성)

Long before calculus existed, the Greek philosopher Zeno constructed a series of paradoxes ①designed to show that motion itself might be logically impossible. In one version, a swift runner named Achilles races a slow-moving tortoise that ②is given a modest head start. Common sense insists that Achilles will quickly overtake the tortoise, yet Zeno's argument ③suggests otherwise. By the time Achilles reaches the tortoise's starting point, the tortoise has crawled a little further ahead, and this process ④repeating endlessly, generating an infinite number of smaller and smaller gaps that Achilles must apparently cross one after another. Modern mathematics eventually resolved the paradox by showing that an infinite series of shrinking distances can still sum to a finite total, ⑤allowing motion to be completed in a finite amount of time after all.

Dear members of the Debate Club, I am writing to let you know that our regular meeting time ①has been changed. We usually meet in Room 304 every Wednesday after school, but the room will be used for sports day practice next week. Instead, our meeting will be held in the library on Thursday at the same time. Please bring the debate topic ②that you prepared last week, since we will practice our arguments together. If you cannot attend the new meeting time, please reply to this email by Tuesday evening. We also need two volunteers ③to arrange the chairs and tables before the meeting begins. Mr. Park, our club advisor, will join us this time ④to give feedback on our speaking skills. Thank you for your understanding, and I look forward to ⑤see everyone on Thursday.

Opening most camera apps today reveals a row of filters that can smooth skin, brighten eyes, and reshape a jawline before a photo is even taken, all powered by AI models ①trained to recognize facial features in real time. What began as a playful novelty has become a default setting for many users, subtly ②adjusting nearly every selfie posted online. Psychologists have grown concerned about a specific consequence of this shift: people increasingly compare their unfiltered reflection in a mirror to a filtered version of themselves ③seeing constantly on a screen, a comparison that earlier generations never had to face. Some social media platforms have responded by ④labeling heavily edited photos or banning certain filters that alter body shape. Whether such small warnings can meaningfully counter the daily flood of filtered images, however, ⑤remains an open question that researchers are only beginning to study.

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. 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. Shoppers use it to find where an item seen on the street can be purchased, while students use it to ①identify plants, insects, or historical artworks in seconds. 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. It is ②flawless, however; a ③blurry photo, an unusual camera angle, or an object partly hidden behind another can easily ④confuse the algorithm, leading to search results that have ⑤nothing to do with the original picture at all.

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. The software has studied thousands of existing songs, learning which chord progressions and rhythms tend to sound ①pleasant together, and it ②recombines these patterns into something new rather than copying any single source directly. For independent creators who cannot afford a composer or expensive licensing fees, this has been a genuine ③breakthrough. Professional musicians, however, remain divided. Some welcome the tool as a quick way to sketch ideas before refining them by hand, while others ④celebrate that a flood of AI-generated background music could quietly push human composers out of smaller, lower-budget projects. ⑤the very jobs many musicians once relied on to build a career.

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. This simplicity, however, is also the source of its most persistent criticism. Because the footprint aggregates dissimilar impacts, such as carbon emissions and water scarcity, into one composite figure, _______________. 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. 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.

Every day, email providers quietly block billions of unwanted messages before they ever reach a user's inbox. The filter examines each incoming message for suspicious patterns, including certain keywords, unusual sender addresses, and formatting tricks. What makes the system effective is that it keeps learning after launch: whenever a user marks a message as spam, that action becomes new training data, sharpening the filter's future decisions. This creates a constant back-and-forth, since spammers study which messages get blocked and then adjust their wording to slip through again. As a result, _______________.

This year, more than three hundred students signed up within the first week. Every July, our school library launches a summer reading challenge that invites students to read at least five books before classes begin again in September. ( ① ) Students who complete the challenge receive a small prize, but many say the real reward is something else entirely. ( ② ) Without daily homework and tests to worry about, summer gives students rare freedom to choose books purely because they sound interesting, not because a teacher assigned them. ( ③ ) Librarians notice that students often pick more unusual genres during the challenge, including graphic novels, poetry, and nonfiction about hobbies they enjoy. ( ④ ) This freedom seems to matter more than the prize itself, since students who only cared about winning tend to quit once the reading feels difficult, while curious readers keep going. ( ⑤ ) Teachers who track student progress after summer report that challenge participants often return in September with noticeably stronger reading habits than classmates who read nothing over the break.

Some researchers worry that casual users may misinterpret a single unusual reading as a serious problem, leading to needless anxiety rather than useful insight. Modern sports wearables, from wrist-worn fitness trackers to smart insoles embedded in running shoes, continuously collect data that would once have required a laboratory to measure. ( ① ) Heart rate, sleep quality, running cadence, and even subtle changes in gait can now be monitored during ordinary daily activity rather than only in a controlled clinical setting. ( ② ) Coaches use this constant stream of information to detect early warning signs of overtraining, sometimes noticing a decline in performance before the athlete consciously feels tired. ( ③ ) However, the flood of data has created a new challenge: distinguishing a meaningful pattern from ordinary daily fluctuation requires expertise that many amateur athletes simply do not have. ( ④ ) For this reason, most experts recommend treating wearable data as a general trend to observe over time, not as a precise diagnostic tool. ( ⑤ )

Some locations also offer basic health checks, such as blood pressure measurement, for elderly visitors. During the hottest weeks of summer, the city operates free cooling centers for anyone who needs a break from the heat. ( ① ) These cooling centers, located in community halls and public libraries, provide air-conditioned spaces where visitors can rest comfortably. ( ② ) Most cooling centers are open from nine in the morning until six in the evening, seven days a week. ( ③ ) Visitors can enjoy free drinking water, read newspapers, or simply relax in a cool environment. ( ④ ) There is no cost to use these centers, and no reservation is required. ( ⑤ ) City officials encourage residents to check the nearest location on the city website before visiting.