영어 모의고사 (자동 편성)

Good morning, residents of Green Apartment! We would like to introduce a simple way to protect our environment. Used batteries, ①what contain harmful chemicals, should never be ②thrown away with regular trash. If these chemicals leak into the soil, they can pollute water and harm plants. Therefore, our building has installed a special collection box for used batteries near the main entrance. Please place your old batteries inside this box instead of the trash can. The box, ③which is emptied every month, is easy for anyone ④to use. For example, small button batteries from watches and toys can also be dropped in the box. However, batteries ⑤that are still working should not be thrown away at all. We appreciate your effort to keep our neighborhood clean and safe. Thank you for your cooperation and kindness.

When a resource is shared among many users, none of ①whom bears the full cost of its depletion, each individual is tempted to extract as much value as possible before others do the same. This dynamic, famously ②labeled the tragedy of the commons, describes how shared pastures and fisheries can be degraded even when every participant privately understands the danger of overuse. A single herder who adds one more animal to a communal pasture gains the entire benefit of that addition, whereas the resulting damage to the grass ③is shared among other herders who depend on the land. Because self-interest offers no incentive to restrain consumption unilaterally, the resource tends ④to exhausted long before any user intends such an outcome. For decades, economists assumed that only two remedies existed: strict regulation or the conversion of shared resources into private property. Elinor Ostrom challenged this assumption, however, by ⑤documenting communities that had sustainably managed fisheries and forests for generations through locally devised rules and mutual monitoring rather than external control.

Behavioral economists use the term temporal discounting to describe how people ①undervaluing future rewards simply because those rewards are not immediate. This tendency explains why a student might choose to watch videos tonight rather than study for an exam that remains several weeks away, even though studying ②offers a far greater long-term benefit. A distant reward, no matter how valuable, feels psychologically smaller than a small reward ③available right now. This bias contributes to procrastination, since future consequences rarely feel urgent enough ④to motivate immediate action. To counter this tendency, students should convert distant goals into smaller, near-term milestones that feel more emotionally real. Setting weekly checkpoints rather than a final deadline can make future benefits feel closer and more concrete. Teachers and parents should provide immediate, meaningful feedback, since prompt recognition helps bridge the gap between present effort and delayed reward, ultimately ⑤reducing the urge to postpone tasks.

Among the many strategies proposed to remove carbon dioxide from the atmosphere, one of the oldest draws on an agricultural technique predating modern industry, converting organic material into a ①stable form of charcoal known as biochar. Biochar is produced through pyrolysis, a process in which crop residues or wood chips are heated in an environment with little or no oxygen, preventing the material from burning away as in an open fire. This process leaves behind a carbon-rich solid that ②accelerates decomposition far longer than raw organic matter, locking carbon in a form remaining stable in soil for centuries. When mixed into farmland, biochar also improves soil structure, retaining moisture and nutrients otherwise lost, which can ③boost crop yields in depleted soils. For example, farmers cultivating nutrient-poor tropical soils have reported ④measurable increases in productivity after adding biochar. Nevertheless, researchers caution that the climate benefits of biochar depend on the feedstock and method used, since poorly managed pyrolysis can release as much carbon as it sequesters, ⑤undermining its own purpose.

As efforts to ①curb greenhouse gas emissions intensify, industries unable to eliminate carbon dioxide from their processes have turned to a technology known as carbon capture and storage. This technology involves separating carbon dioxide from the exhaust of power plants before it is released into the atmosphere, then transporting the captured gas for underground injection. Once injected into porous rock formations, the gas is trapped beneath layers of impermeable rock that prevent it from escaping into the air. Proponents argue that carbon capture and storage functions as a bridge technology, allowing heavy industries to keep operating while more sustainable alternatives are ②developed. For instance, cement and steel production, both of which release carbon dioxide as an ③unavoidable byproduct of chemical reactions, are considered prime candidates for this approach. However, critics contend that the technology remains prohibitively ④cheap and that building pipelines requires investments few companies make voluntarily. Despite such concerns, many governments continue funding pilot projects, convinced that this technology will play an ⑤indispensable role in reaching emission targets.

Scientists have long searched for a way to describe, in a single coherent framework, the outer limits within which human activity can safely continue without ①stabilizing the planet's fundamental systems. The concept of planetary boundaries, introduced by earth-system researchers, identifies nine interconnected processes, including climate change, biodiversity loss, and nitrogen pollution, each possessing a threshold beyond which abrupt and ②irreversible change becomes likely. Unlike conventional environmental limits, often defined locally, these boundaries are framed at a planetary scale, reflecting the idea that the Earth functions as a single ③interdependent system rather than a collection of isolated regions. Crossing one boundary, proponents argue, does not merely damage the system involved but can also ④destabilize others, since climate, oceans, and land are bound together by feedback loops that transmit disturbance across the system. Some philosophers have likened this framework to a ship's safe operating margin, within which passengers may move freely without risking the vessel's stability. Critics, however, contend that the boundaries are drawn with more ⑤confidence than the data can support.

Riding a bicycle is a great way to stay active during summer vacation, but ___________. Before you ride, check that your tires are properly inflated and your brakes are working well. Wearing a helmet is essential, since it can prevent serious head injuries in an accident.

Coaches have traditionally focused athlete preparation on training volume and nutrition, but a growing body of research suggests that sleep deserves equal attention. (A) In response, many professional teams now employ sleep specialists who design travel schedules, control bedroom lighting and temperature, and even adjust competition start times when possible. (B) Frequent travel across time zones compounds this challenge considerably, since jet lag can disrupt an athlete's natural sleep-wake cycle for several days after a long flight. (C) During deep sleep, the body releases growth hormone, essential for repairing muscle tissue, while the brain consolidates motor skills practiced earlier that day into more stable, efficient patterns.

A shocking headline can spread across social media within minutes, long before anyone checks whether it is actually true. (A) Simple habits can make a real difference, such as looking for the original source of a claim and checking whether other trustworthy outlets are reporting the same story. (B) To handle this flood of information, students today need a skill that previous generations rarely had to practice: checking a source before believing it. (C) Studies show that false stories often travel faster than accurate ones, partly because surprising or emotional claims get shared more quickly than careful, balanced reporting.

Watching myself on the recording afterward was even more uncomfortable than facing the camera live. Last month, I attended a three-day career camp during summer vacation. ( ① ) On the first day, I chose the broadcasting workshop, where students practiced writing short news scripts and reading them in front of a camera. ( ② ) It was harder than I expected, since staying calm while a camera recorded my every move felt strange at first. ( ③ ) By the second day, however, I began to enjoy the challenge, and my confidence grew with each attempt. ( ④ ) The instructors, who all had real broadcasting experience, gave detailed feedback rather than simple praise, which helped us improve quickly. ( ⑤ ) On the final day, each team presented a short news segment to the entire camp.