영어 모의고사 (자동 편성)

Stairs seem too ordinary ①to be dangerous, which is why many people treat them carelessly, texting, carrying an armful of books, or skipping two steps at a time. Emergency room records tell a different story: falls on stairways ②sends more people to the hospital each year than almost any other household accident. Familiarity encourages a kind of autopilot mode, in which a person stops ③looking at each step and instead relies on memory of where the stairs should be, a habit that ④fails the moment something unexpected occurs, such as a missing step or a loose railing. Safety officials recommend a few unglamorous habits: keep one hand free, use the handrail, and turn on the light before ⑤stepping onto a dark staircase.

Conventional industrial zones typically operate as isolated facilities, each ①purchasing raw materials independently and disposing of waste without regard for neighboring plants, even when one factory's discarded byproduct could serve as valuable input for another. An eco-industrial park reorganizes this arrangement by ②clustering diverse companies within a single area and encouraging them to exchange materials, energy, and water through a practice known as industrial symbiosis. A power plant's surplus heat, for example, might be piped to a nearby greenhouse, while a food processing facility's organic waste could be ③converted into biogas that ④power another factory's equipment. Such exchanges require companies to coordinate schedules and share information they might otherwise regard as proprietary, a level of cooperation rarely achieved without deliberate institutional support. Local governments therefore often play a coordinating role, mapping which industries could exchange resources and providing incentives for companies ⑤willing to participate.

Bacteria have been cutting up invading viral DNA for billions of years, long before any scientist thought to borrow the trick for use in a ①laboratory. The CRISPR-Cas9 system, as it is now known, relies on a short guide RNA that ②matches a specific DNA sequence, leading a scissor-like enzyme called Cas9 directly to that exact location in the genome. Once Cas9 arrives at the target site, it ③repairs both strands of the DNA helix, and the cell's own repair machinery rushes in to mend the cut, often introducing a small change in the process. By supplying the cell with a template during this repair step, scientists can direct that machinery to ④insert a specific new sequence rather than merely disabling the original gene. What once required years of painstaking work to alter a single gene can now be accomplished within days, a shift in ⑤speed that has reshaped nearly every corner of biological research.

When people recall precisely where they were and what they were doing at the moment they learned of some momentous public event, the resulting memory often feels extraordinarily vivid, as though it had been etched into the mind with photographic precision; researchers have termed such recollections flashbulb memories. Proponents of this concept once argued that the emotional intensity and surprise accompanying such events trigger a distinct neural mechanism that preserves details with unusual fidelity, effectively exempting them from the gradual decay that afflicts ordinary memories. Subsequent longitudinal studies, however, have complicated this picture considerably: when researchers compared accounts gathered within days of an event to accounts gathered years later, they discovered that details had frequently been altered, omitted, or even fabricated, even though the individuals reporting them expressed unwavering confidence in their accuracy. This persistent mismatch between subjective certainty and objective consistency implies that _______________.

Our film club spent an entire semester making a five-minute short film, and I was startled to learn just how little of that time was actually spent filming. We wrote and rewrote the script for nearly a month, then spent another two weeks drawing simple storyboards to plan every camera angle before a single scene was recorded. Filming itself took only two Saturday afternoons, yet editing the footage afterward consumed nearly six additional weeks, as we combed through hours of raw clips to choose the handful of seconds that actually made it into the final version. Our advisor warned us early on that amateur filmmakers usually underestimate editing the most, assuming that a good script and decent camera work will carry a film on their own. By the time our short film premiered at the school festival, I understood that _______________.

Imagine watching a fair coin land on heads five times in a row and feeling an increasingly strong intuition that the next flip is somehow due to produce tails. This intuition rests on a basic misunderstanding of probability, since each flip of a fair coin remains entirely independent of every flip that came before it. Casinos have long profited from this misconception, watching gamblers place larger bets after a losing streak simply because they mistakenly believe that a win has become statistically overdue. Economists have even documented the same error among trained professionals, including loan officers who grow more likely to approve a risky application simply because _______________.

People often recognize, in calm reflection, that their future selves will be tempted to abandon a goal they currently value. Rather than relying solely on willpower at the critical moment, they may choose to restrict their own future options in advance, a strategy known as precommitment. (A) What unites these examples is a simple insight: because future desires cannot always be trusted, the wisest moment to act may be now, while judgment remains clear and temptation has not yet taken hold. (B) By making certain choices costly, inconvenient, or impossible to reverse, individuals can protect a long-term goal from a short-term impulse that has not yet arisen. (C) A person hoping to save money might lock funds into an account that penalizes early withdrawal, removing the very temptation that would otherwise be difficult to resist. Similarly, someone determined to finish a project might publicly announce a deadline, transforming private intentions into a commitment that carries social consequences if broken.

Classical economic theory long assumed that decision makers gather all relevant information, calculate every possible outcome, and select the single option that maximizes their benefit. (A) Herbert Simon, however, questioned this assumption, arguing that human beings operate under real constraints of time, knowledge, and mental capacity that make such exhaustive calculation practically impossible. (B) Instead of searching endlessly for the theoretically perfect choice, people typically stop once they find an option that seems good enough to meet their immediate needs, a strategy Simon termed satisficing. (C) A shopper comparing refrigerators, for example, rarely examines every model available; she instead sets a few practical criteria, such as price and size, and selects the first appliance that satisfies them adequately. This approach is not a failure of reasoning but rather a sensible adaptation to a world where information is costly and time is genuinely limited. Consequently, models assuming unlimited rationality often fail to predict actual behavior, while frameworks acknowledging these cognitive boundaries offer a far more realistic account of how ordinary decisions are actually made.

Pets need extra care and attention when the summer heat becomes intense. (A) It is also important to avoid walking your dog during the hottest hours, since hot pavement can burn its paws. (B) First, always provide plenty of fresh, cool water throughout the day. (C) Most importantly, never leave a pet alone in a parked car, even for a few minutes.

Researchers sometimes call this ability perspective-taking, and it does not stay confined to the pages of a book. Psychologists have long wondered whether reading fiction can change how people treat others in real life. ( ① ) Several studies suggest that novels which describe a character's inner thoughts in detail can train readers to imagine what other people are feeling, a skill closely related to empathy. ( ② ) When readers follow a character through difficult choices, they practice stepping into someone else's perspective without any real risk to themselves. ( ③ ) This kind of mental practice, researchers argue, can carry over into everyday situations, making readers more likely to notice a classmate's hidden sadness or understand a stranger's unusual behavior. ( ④ ) Not every book produces this effect equally. Stories that stay focused only on fast action, with little attention to characters' inner lives, appear to build empathy far less than stories that slow down to explore emotion. ( ⑤ ) For this reason, some psychologists now recommend that young readers balance fast-paced adventure novels with quieter stories about ordinary people and their feelings.