영어 모의고사 (자동 편성)

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

Modern advertising increasingly relies on personal data ①collected from users' browsing habits, search histories, and social media activity. Companies argue that this approach benefits consumers by showing advertisements that are more relevant to their actual interests. However, many critics contend that this level of tracking raises serious concerns about privacy, since users rarely understand how extensively their behavior ②is being monitored. Some algorithms can predict purchasing decisions before consumers themselves are consciously aware of them, ③which feel unsettling to many people. Furthermore, personalized advertising can trap users in a narrow bubble, repeatedly showing them similar products and ④limiting their exposure to alternatives. Supporters counter that consumers who dislike targeted ads can simply ⑤adjust their privacy settings.

On a summer evening, downtown streets often feel ①noticeably hotter than nearby parks or suburban neighborhoods, even after the sun has set. This phenomenon, known as the urban heat island effect, occurs when cities ②retain more heat than surrounding rural areas because of their dense concentration of asphalt, concrete, and buildings. Unlike soil or vegetation, which absorb and release heat ③instantly, these man-made surfaces absorb sunlight during the day and slowly radiate it back at night, preventing temperatures from cooling. Tall buildings packed closely together also block wind, trapping warm air within narrow streets. In contrast, areas with ④abundant trees and open water naturally stay cooler, since plants release moisture that helps lower surrounding temperatures. To reduce this effect, many cities have begun installing rooftop gardens and ⑤expanding public parks, hoping that additional greenery will absorb less heat than pavement does.

Highlighting an awkward sentence and instantly seeing three smoother alternatives has become a routine part of writing for many students, thanks to AI writing assistants built into word processors and browsers. These tools check grammar and spelling, of course, but the more advanced versions go further, suggesting clearer phrasing, ① flagging repetitive words, and even adjusting tone to sound more formal or more casual depending on the purpose. Teachers generally ② welcome the grammar and spelling support, since it frees up class time to focus on argument and structure rather than comma placement. Concerns ③ shrink, however, around the tone and phrasing suggestions, which can gradually nudge every student's writing toward a similar, polished style, making it harder to tell an individual voice from a suggestion generated by the same underlying model. Some schools have begun asking students to submit an early draft alongside the final version, specifically to ④ preserve evidence of a student's own ⑤ original voice.

Many people struggling to fall asleep in noisy environments turn to white noise machines, devices that emit a steady, uniform sound covering a broad range of frequencies. The appeal lies in a phenomenon called auditory masking, in which a constant background sound makes sudden noises less noticeable to the sleeping brain. Without this masking effect, _______________. Studies comparing sleep in quiet rooms with sleep alongside white noise have found that participants using white noise experienced fewer of these brief awakenings and reported feeling more rested.

Imagine a classroom discussion where nearly everyone seems to support one viewpoint. (A) As more silence accumulates, the minority opinion appears rarer than it truly is, discouraging even more people from speaking. (B) A student who privately disagrees might quickly sense this imbalance and decide to remain quiet rather than face disapproval. (C) This exact pattern, described by the spiral of silence theory, also unfolds across entire societies and online communities.

Every day, email providers quietly block billions of unwanted messages before they ever reach a user's inbox, a task that would be impossible without an AI filtering system running constantly in the background. (A) This creates a constant back-and-forth, since spammers study which messages get blocked and then adjust their wording to slip through again. (B) The filter examines each incoming message for suspicious patterns, including certain keywords, unusual sender addresses, and formatting tricks that scammers commonly rely on to slip past detection. (C) What makes the system effective is that it keeps learning after launch, since a user's action of marking or rescuing a message becomes new training data.

A navigation app calculating a route rarely relies on distance alone; instead, it constantly weighs real-time traffic reports, past congestion patterns, and even data from other drivers' phones currently on the road. (A) Residents of these once-quiet neighborhoods have increasingly complained about the sudden surge of unfamiliar traffic, arguing that the algorithm can end up creating a new problem for the wider community. (B) The convenience comes at a cost that few passengers consider, however, since redirecting thousands of drivers onto the same shortcut can make a quiet side street as congested as the highway it was meant to help travelers avoid. (C) This flood of information allows the app to reroute a driver away from a sudden accident within seconds, often before the driver has any idea the accident occurred at all.

After a viewer finishes an episode, a streaming service rarely leaves the choice of what to watch next entirely up to chance. (A) The system is not without drawbacks, however, since favoring titles similar to what a viewer already enjoys can quietly narrow someone's exposure to unfamiliar genres, directors, or cultures. (B) Instead, a recommendation algorithm compares that viewer's habits with patterns drawn from millions of other users, then ranks thousands of titles in order of predicted interest. (C) This approach keeps viewers engaged far longer than a simple list of new releases ever could, which is precisely why streaming companies invest so heavily in refining it.

Whether such small warnings can meaningfully counter the daily flood of filtered images, however, remains an open question that researchers are only beginning to study. 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 trained to recognize facial features in real time. ( ① ) What began as a playful novelty has become a default setting for many users, subtly adjusting nearly every selfie posted online. ( ② ) 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 seen constantly on a screen. ( ③ ) This is a comparison that earlier generations never had to face. ( ④ ) Some social media platforms have responded by labeling heavily edited photos or banning certain filters that alter body shape. ( ⑤ )