영어 모의고사 (자동 편성)

Travelers who cross several time zones in a single flight often arrive ① feeling exhausted, foggy, and strangely out of sync with the local clock. The discomfort arises because the body's internal clock, ② which governs sleep, hunger, and alertness, continues to run on the schedule of the departure city even after landing. Realigning this internal clock to a new time zone is not instantaneous; researchers estimate that the body typically needs about one day ③ to adjust for every time zone crossed. Flying eastward tends to produce more severe symptoms than flying westward, because advancing the internal clock forward ④ are generally harder for the body than delaying it. Exposure to natural light at the right moments after arrival can help speed up the adjustment, since light is the strongest external cue the internal clock ⑤ uses to reset itself.

Choice architecture refers to how decisions are ①designed. It determines which option is automatically selected unless a person chooses otherwise, ②known as the default option. Research consistently shows that people tend to stick with whatever is already set, even when changing it takes only seconds. Organ donation is a well-known example. Countries ③which citizens are automatically registered as donors unless they opt out show much higher donation rates than opt-in countries. Retirement savings programs show a similar pattern, since employees ④automatically enrolled in a pension plan rarely cancel it. Voluntary sign-ups, in contrast, often delay indefinitely. Critics argue that default options can be manipulated to benefit companies, so transparency about how defaults are chosen becomes essential, and supporters insist it should be designed ⑤to support people's long-term interests.

When Minji was in ninth grade, she ①posted a joking comment mocking a classmate's photo, never imagining anyone would remember it later. Three years passed, and she nearly forgot the comment ②existed, buried among hundreds of old posts. Last spring, she applied to join her school's student council, ③hoping her leadership experience would impress the selection committee. During the interview, however, one teacher mentioned ④having seen an old, unkind comment under Minji's name while reviewing applicants' profiles. She understood that digital footprints rarely disappear completely, even when the original posts ⑤was removed, because screenshots and memories often outlast the content itself.

Time blocking is a time-management technique in which a person ①divides the day into fixed blocks. Each block is then assigned to a single task. Instead of relying on a loose to-do list, the person decides exactly when each task ②will starting and end. This approach lowers the mental effort of deciding what to do next, since the schedule already provides the answer. It also limits multitasking, because each block ③is reserved for only one activity at a time. For instance, a student may block ninety minutes for math practice, ④leaving no room for messages or web browsing. Because each block has a clear boundary, unfinished work is ⑤less likely to quietly spread into the next task.

Psychologists who study daily behavior describe habits through a model ①called the cue-routine-reward loop. This theory explains that every habit begins with a cue, a signal that ②tell the brain to start an automatic behavior. The brain then performs a routine, ③which is the action itself, whether physical or mental. Finally, the brain receives a reward, a positive feeling that makes it want ④to repeat the same behavior. For example, a notification sound can act as a cue that leads a student to check a phone, and the relief from boredom becomes the reward. Similarly, opening a refrigerator out of habit rather than hunger shows how a routine can run without conscious thought. Because this loop operates automatically, breaking a bad habit requires changing the routine while keeping the same cue and reward. Understanding this structure helps people redesign daily patterns more effectively than ⑤relying on willpower alone.

Aerobic exercise, such as jogging, swimming, or cycling at a steady pace, strengthens the heart by forcing it to pump ① larger volumes of blood with each beat. Over weeks of consistent training, the heart gradually enlarges and becomes more efficient, meaning it can deliver the same amount of oxygen to working muscles while beating ② fewer times per minute. This adaptation explains why trained athletes often have a much ③ lower resting heart rate than sedentary individuals of the same age. Beyond the heart itself, aerobic activity encourages the body to build new capillaries within muscle tissue, ④ worsening the delivery of oxygen and nutrients at a cellular level. Researchers have also found that regular aerobic exercise ⑤ reduces inflammation throughout the body and improves the way cells respond to insulin.

When people encounter ①solid scientific evidence about climate change, we might expect them to accept it without hesitation. However, many individuals still ②dismiss or downplay such evidence, and psychologists explain this pattern through a concept called motivated reasoning. Motivated reasoning refers to the tendency to process information in a way that protects one's existing beliefs, identity, or lifestyle rather than to pursue objective truth. For example, a person whose livelihood depends on the fossil fuel industry may ③unconsciously search for reasons to doubt climate data, even while claiming to value scientific accuracy. This happens because accepting uncomfortable facts can ④protect a person's sense of self or demand costly lifestyle changes. Therefore, simply presenting more data ⑤rarely persuades a committed skeptic. Instead, experts suggest connecting climate information to values the person already holds, such as family safety or economic stability, so that acceptance feels natural rather than threatening.

Within days, thousands of people began recreating the dance and tagging the brand, turning an ordinary product launch into a ①viral trend. Because participants created the content themselves, viewers found the videos far more ②entertaining than a traditional advertisement would have been. The company barely spent any money on production, yet the challenge reached ③millions of viewers across multiple platforms. Encouraged by this success, other brands quickly attempted similar challenges, though many ④succeeded in generating the same excitement. Researchers later explained that the original challenge succeeded because it felt spontaneous and fun rather than obviously ⑤commercial.

Minji spent nearly every evening watching Jimin, an online creator who streamed cooking videos and chatted casually with her viewers. Over several months, Minji began to feel as though she truly knew Jimin, laughing at her jokes and worrying whenever she mentioned having a difficult week. Whenever Jimin responded to a comment, even a simple one, Minji felt a small thrill of connection, as if they were becoming closer friends. One day, Minji excitedly waited outside a fan event, hoping that Jimin would recognize her from the countless messages she had sent. However, Jimin greeted her the same way she greeted every other stranger in line, without any hint of personal recognition. Standing there, Minji slowly realized that ___________.

Browsing an online store today often means chatting with an AI assistant that asks a few quick questions before suggesting a short list of products tailored to the answers. Retailers report that shoppers who use these chatbots tend to complete purchases more often and return fewer items, since the guided conversation helps buyers choose products that actually fit their needs. Some shoppers, however, remain wary of how personal the questions can feel, wondering _______________. Consumer advocates argue that stores should clearly explain what happens to this data, rather than burying the explanation in a lengthy privacy policy that almost no one reads.