영어 모의고사 (자동 편성)

Economists traditionally measured a community's wealth in terms of factories, income, or infrastructure, yet sociologists increasingly point to a less visible resource: social capital, the networks of trust and reciprocity that allow people to cooperate for mutual benefit. Robert Putnam popularized the concept by documenting a decline in civic participation, a trend he captured in the phrase bowling alone. Communities rich in social capital tend to enjoy lower crime and more effective local government, because neighbors who know and trust one another can coordinate informally without relying entirely on formal institutions. However, _______________. For this reason, researchers increasingly distinguish between bonding capital, which strengthens ties within a single group, and bridging capital, which connects otherwise separate communities.

Modern sports wearables continuously collect data that would once have required a laboratory to measure, allowing coaches to detect early warning signs of overtraining, sometimes noticing a decline in performance before the athlete consciously feels tired. However, the flood of data has created a new challenge: _______________. Some researchers worry that casual users may misinterpret a single unusual reading as a serious problem, leading to needless anxiety rather than useful insight.

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.

Economists have long debated whether prosperity and environmental quality are fundamentally opposed, or whether the relationship between them changes shape as an economy matures. (A) In its early stages, industrializing nations prioritize output over conservation, treating clean air and water as expendable costs of development to be addressed later. Beyond a certain point, however, rising incomes generate both the technological capacity and the political will to demand stricter regulation, so degradation begins to reverse even as production keeps expanding. (B) Some scholars regard this trajectory as a reassuring paradox, suggesting that the very growth blamed for ecological harm may eventually finance its own repair. Critics, by contrast, argue that the curve rests on a narrow selection of pollutants that happen to decline with wealth, while ignoring greenhouse gases and resource depletion, which show no comparable tendency to fall. (C) The Environmental Kuznets Curve, a hypothesis borrowed from earlier theories of income inequality, proposes that pollution initially rises alongside economic growth before eventually declining once a society crosses a certain threshold of wealth.

Athletes competing in hot, humid conditions face a particularly difficult balance, because sweating heavily to stay cool simultaneously depletes the very fluids needed to sustain performance. Even a modest level of dehydration, as little as two percent of body weight lost through sweat, can measurably reduce an athlete's endurance and cognitive sharpness during competition. ( ① ) As fluid levels drop, blood volume decreases, forcing the heart to work harder to deliver the same amount of oxygen to working muscles, which accelerates fatigue. ( ② ) Dehydration also impairs the body's ability to regulate its own temperature, since sweating is the primary mechanism for releasing excess heat during intense exercise. ( ③ ) Simply drinking large amounts of plain water is not always sufficient, however, since heavy sweating also flushes out sodium and other electrolytes essential for proper muscle function. ( ④ ) For this reason, sports scientists generally recommend a hydration strategy that replaces both fluid and electrolytes, tailored to an individual athlete's sweat rate and the specific conditions of the event. ( ⑤ )

Political scientist Ted Gurr illustrated the pattern with what is often called the J-curve: revolutions tend to follow a period of sustained improvement that is then followed by a sudden reversal. Social unrest does not always emerge from the poorest conditions; it frequently erupts when circumstances are improving but not quickly enough to satisfy rising expectations. ( ① ) This paradox lies at the heart of relative deprivation theory, which holds that discontent arises less from objective hardship than from a perceived gap between what people expect and what they actually receive. ( ② ) Citizens who had grown accustomed to progress often feel suddenly cheated of gains they had come to regard as their due. ( ③ ) Because the theory centers on perception rather than raw statistics, it helps explain why relatively prosperous societies can experience intense protest. ( ④ ) Societies mired in long-standing poverty, meanwhile, sometimes remain comparatively quiet, having adjusted their expectations to match a bleak and unchanging reality. ( ⑤ )

This natural advantage, however, is only a starting point rather than a fixed ceiling. VO2 max, defined as the maximum volume of oxygen a person's body can consume and use during intense exercise, is widely regarded as one of the best single indicators of cardiorespiratory fitness. ( ① ) Elite endurance athletes typically post VO2 max values far higher than those of untrained individuals, reflecting hearts that pump larger volumes of blood and muscles that extract oxygen from that blood with remarkable efficiency. ( ② ) While genetics accounts for a substantial portion of an individual's potential VO2 max, consistent aerobic training can still raise the measurement considerably over months of dedicated effort. ( ③ ) Interval training, which alternates short bursts of near-maximal effort with periods of recovery, has proven particularly effective at improving this measurement compared to steady, moderate-intensity exercise alone. ( ④ ) It is worth noting, however, that a high VO2 max does not guarantee success in competition, since factors such as running economy, pacing strategy, and mental resilience also play a decisive role in determining who actually crosses the finish line first. ( ⑤ )

Some athletes, in fact, experience excessive fatigue at altitude that undermines the very training they hoped to complete. Athletes preparing for major endurance events sometimes train for weeks at high altitude, where the air contains less oxygen than at sea level, in hopes of gaining a physiological edge once they return to compete at lower elevations. ( ① ) In this thin air, the body responds by producing more red blood cells, which carry oxygen more efficiently through the bloodstream to working muscles. ( ② ) When these athletes return to sea level, where oxygen is more abundant, their blood retains this elevated capacity for a limited period, potentially translating into improved endurance performance. ( ③ ) However, the benefits of altitude training are far from guaranteed, since individual athletes respond quite differently to the same conditions. ( ④ ) Many elite programs therefore follow a strategy known as live high, train low, in which athletes sleep at altitude to stimulate blood adaptations but perform intense workouts at lower elevation to maintain quality and intensity. ( ⑤ )

Skipping this final stage, even when an athlete feels fully recovered, dramatically increases the risk of re-injury, because general strength does not automatically translate into the specific coordination that a particular sport demands. Recovering from a serious sports injury involves far more than simply waiting for torn tissue to heal; it requires a carefully structured program that gradually reintroduces stress to the affected area. ( ① ) Immediately after an injury, rest and gentle range-of-motion exercises help prevent stiffness without disturbing the healing tissue. ( ② ) As pain subsides, therapists introduce light resistance training, slowly rebuilding strength in muscles that have weakened from disuse. ( ③ ) Progressing too quickly at this stage is a common mistake, since tissue that appears healed on the surface may still be structurally fragile beneath it. ( ④ ) Only after strength and flexibility approach pre-injury levels do specialists introduce sport-specific drills that mimic the exact movements an athlete will face in competition. ( ⑤ )

Researchers have found that athletes who follow a consistent routine tend to show more stable performance under pressure than those who approach each attempt differently. Elite athletes rarely walk up to a free throw line or a golf ball without first performing a highly specific sequence of movements, a habit sports psychologists call a pre-performance routine. ( ① ) Far from being mere superstition, this consistent sequence, whether it involves bouncing a basketball a fixed number of times or taking a particular number of practice swings, serves a genuine cognitive purpose. ( ② ) Repeating the same physical and mental steps before every attempt narrows an athlete's focus away from distracting thoughts about outcome or crowd noise and toward the specific technical cues needed to execute the skill correctly. ( ③ ) The routine essentially functions as a trigger, cuing the body to shift automatically into a familiar, well-rehearsed state. ( ④ ) For this reason, coaches now actively teach young athletes to develop and rehearse individualized routines rather than treating them as personal quirks. ( ⑤ )