英検準1級要約 予想問題

Many scientists study wild animals to understand how they live and how ecosystems change. In recent years, researchers have attached small electronic devices to animals to collect data such as body temperature, heart rate, movement, and sometimes information about noise or pollution in the environment.

Supporters say these devices are beneficial because they allow scientists to gather reliable information from many animals over long periods. Some species live in places that are difficult or dangerous for humans to reach, and others avoid people. With these devices, researchers can still learn how animals respond to seasons, disasters, or human activity.

Nevertheless, critics argue that the data may not always reflect normal behavior. If an animal feels stressed by carrying a device, it might change how it moves, eats, or interacts with others. In such cases, researchers could misinterpret the findings.

There is also concern about safety. Even if devices are small, their weight or shape may make it harder for animals to find food or escape enemies. Because of these worries, many scientists believe careful rules and testing are needed before using such tools widely.

District heating is a system in which multiple buildings share a central source of heat instead of each home running its own boiler. Hot water or steam is produced at one facility and sent through underground pipes to nearby buildings, where it is used for heating rooms and providing hot water.

Supporters say this approach can be more efficient. A large system may waste less energy than many small systems, and it can use various energy sources, including waste heat from factories. If less fuel is burned overall, carbon dioxide emissions may decline, which could help address climate change.

However, critics point out that district heating is expensive to build. Installing underground pipes requires large construction projects that can disturb roads and daily life. It is especially difficult in areas that already have crowded infrastructure under the ground.

Another concern is reliability. If a central facility or a main pipe breaks, many buildings can lose heat at once. Although supporters claim regular checks and maintenance can reduce such risks, opponents argue that the high initial cost and potential large-scale failures make the system unsuitable for some cities.

In the United States, drug patents give pharmaceutical companies the exclusive right to sell a new medicine for a limited period, often around twenty years. This protection can help companies recover large investments in research and development, and it is intended to promote medical innovation.

Supporters argue that without patent protection, companies would have less incentive to develop new treatments. If competitors could copy a drug immediately, the original developer might not earn enough to fund future research. In this view, patents benefit society by encouraging the creation of new medicines.

However, the system can also create serious problems. Because competition is restricted, drug prices often remain high during the patent period. Patients may struggle to afford medicines they need, and health systems can face higher costs.

Critics also claim that some companies exploit the system by seeking new patents for drugs that have only minor changes, such as small adjustments to ingredients or dosage. This can extend market dominance without major medical improvements. As a result, lawmakers sometimes propose stricter standards for what qualifies as a truly new innovation, though such reforms often meet strong resistance.

The Ogallala Aquifer is a huge underground layer of rock and soil that holds water beneath parts of the central United States. It supplies fresh water for wells and is crucial for agriculture, especially in regions where rainfall is limited.

Because farming depends heavily on irrigation, large amounts of water have been pumped from the aquifer for decades. In many areas, water levels have declined significantly, and in some places they have dropped by dozens of meters. This raises concerns about whether the aquifer can continue supporting farms and communities in the future.

Supporters of strict water rules say limits are necessary to protect a vital resource. Some states have introduced legislation to reduce pumping and require devices that measure water use. They believe these policies can slow depletion and encourage more efficient farming methods.

Nevertheless, many farmers oppose such measures. They argue that reduced water access can lower crop yields and threaten their livelihoods. Installing new meters can be costly, and farmland may lose value if irrigation becomes difficult. As a result, debates continue over how to balance long-term sustainability with the immediate economic needs of local communities.

Online learning has expanded rapidly, and many schools now use digital platforms for classes, homework, and tests. These systems can include recorded lessons, interactive exercises, and tools that track student progress automatically.

Supporters say online learning is beneficial because it offers flexibility. Students can study at their own pace, review difficult sections, and access materials anytime. Schools can also analyze data to identify which topics cause trouble and provide targeted support. For learners in remote areas or those with health issues, online options can be especially helpful.

However, critics warn that digital learning can create inequality. Some students lack stable internet access or a quiet place to study. Others may have devices that are too old to run required software smoothly. In such situations, online learning can widen gaps rather than reduce them.

Another concern is motivation and social development. Without face-to-face interaction, some students participate less and feel isolated. Teachers may also find it harder to notice confusion or stress through a screen. Many educators therefore suggest combining online tools with in-person support to reduce these limitations.

Artificial intelligence is increasingly used to assist writing practice. Some tools can evaluate essays, point out grammar mistakes, and provide feedback on organization or vocabulary. They can also suggest revised sentences and offer sample answers for study.

Supporters claim these systems are beneficial because they give quick feedback. Students can practice more often without waiting for a teacher to grade every draft. This is especially helpful when classes are large or teachers have limited time. AI can also encourage learners to write regularly by making practice easier to start.

Nevertheless, critics argue that AI feedback may not always be accurate. A system might judge unusual but correct expressions as wrong, or it may accept unclear writing if it matches common patterns. Students could misinterpret the feedback and develop habits that do not improve real communication.

There is also concern about dependence. If learners rely on AI to rewrite their sentences, they may not build the ability to plan and express ideas independently. For this reason, many educators suggest using AI as a support tool while ensuring students still practice thinking, drafting, and revising on their own.

Vertical farming is a method of growing crops in stacked layers, often inside buildings using artificial light and controlled temperature. It aims to produce food in cities, closer to consumers, rather than transporting it long distances from rural farms.

Supporters say vertical farming can reduce land use and protect crops from extreme weather. Because water can be recycled in closed systems, it may use less water than traditional farming. Producing food near cities could also lower transportation costs and deliver fresher vegetables to stores.

However, critics note that vertical farms require large amounts of electricity for lighting and climate control. If the energy comes from fossil fuels, environmental benefits may be limited. The cost of building and operating these facilities is also high, which can make products expensive.

Another issue is limited crop variety. Leafy greens and herbs grow well in vertical farms, but many staple crops, such as wheat or rice, are harder to produce efficiently indoors. As a result, some experts argue that vertical farming should be used as one part of a broader food system rather than a complete replacement for traditional agriculture.

Carbon capture technology is designed to reduce greenhouse gas emissions by trapping carbon dioxide from power plants or industrial facilities before it enters the atmosphere. The captured CO₂ can then be stored underground or used in certain industrial processes.

Supporters argue that carbon capture is beneficial because it can reduce emissions from sectors that are difficult to decarbonize quickly, such as cement and steel production. They claim it can help countries meet climate goals while maintaining stable energy supplies. Some also believe the technology could create jobs in engineering and infrastructure.

Nevertheless, critics question its cost and effectiveness. Building capture facilities and transport systems is expensive, and the process itself can consume energy, reducing overall efficiency. Storage also requires long-term monitoring, and public trust can be damaged if people fear leakage.

Another concern is policy design. If carbon capture is treated as a simple solution, it could weaken investment in cleaner energy and efficiency. Many experts therefore suggest using it selectively, focusing on industries where alternatives are currently limited and setting clear rules for verification.

Microplastics are tiny pieces of plastic that come from larger products breaking down or from materials such as synthetic clothing fibers. They have been found in oceans, rivers, soil, and even in the air, raising questions about long-term effects on health and ecosystems.

Many researchers argue that reducing microplastics would be beneficial for the environment. Marine animals can swallow these particles, which may harm their bodies and potentially move through the food chain. Some studies also suggest that microplastics can carry chemicals and concentrate pollutants, increasing concern about wider ecological impact.

However, controlling microplastics is difficult because sources are spread across daily life. Fibers from laundry, particles from tire wear, and fragments from packaging all contribute, so reducing one source may not solve the problem. Measuring microplastics is also challenging because methods are not fully standardized.

Governments and companies are testing countermeasures such as improved filtration and material changes, but costs and practicality vary. As a result, many experts recommend focusing on the largest sources first and improving measurement so progress can be tracked reliably.

Energy storage is becoming more important as renewable power sources such as solar and wind expand. Because sunlight and wind are not constant, electricity generation can fluctuate, and storage systems are needed to keep the supply stable.

Supporters say storage is beneficial because it allows renewable energy to be used when production falls. It can also help prevent blackouts by releasing electricity during peak demand. In addition, better storage could reduce reliance on fossil-fuel power plants that operate mainly as backup, lowering emissions over time.

Nevertheless, critics point to cost and material constraints. Many battery systems require minerals such as lithium, and mining and processing can create environmental and social problems. Recycling is improving, but it is not yet sufficient in all regions. Another challenge is that different needs require different solutions: short-term balancing can be handled by batteries, while longer gaps may require other approaches, such as pumped hydro or hydrogen.

Because each method has limits, many experts argue that storage policy should support a mix of technologies and strengthen power grids at the same time.

Gene editing in agriculture has attracted attention as food demand rises and climate conditions become unstable. Scientists can now change specific parts of a plant’s DNA to improve resistance to disease or drought. Supporters say this technology could help farmers grow crops in harsher environments and reduce losses caused by pests.

Many experts consider the approach beneficial for food security. For instance, a crop that survives dry seasons could protect farmers’ income and stabilize prices. Some also argue that gene editing can reduce the need for chemical pesticides, which may improve environmental outcomes. Governments in several regions have begun to measure potential benefits through pilot programs and controlled field tests.

Nevertheless, critics warn about long-term risks and governance. They stress that ecosystems are complex, and unintended effects may appear only after widespread use. There is also concern that large companies could control key edited seeds, increasing dependence and reducing farmer choice. In addition, labeling and public trust remain major issues.

Some policymakers propose stricter evaluation rules and transparency requirements, including clear labeling and public reporting of test results. However, industry groups often resist heavy regulation, arguing it would slow innovation and reduce competitiveness. The debate suggests that gene editing may offer powerful tools, but its adoption will depend on careful oversight and social acceptance.

Universal basic income (UBI) has been discussed as automation and unstable employment spread. Under UBI, citizens receive a regular payment regardless of job status. Supporters argue that this can reduce poverty and provide stability for people who face unpredictable work. Several countries and cities have launched pilot programs to test how people behave when they receive guaranteed income.

Advocates say UBI can be beneficial because it gives individuals more flexibility. For instance, some recipients may spend more time training for new skills or caring for family members. A stable payment may also reduce stress and improve mental health. Researchers attempt to measure these effects by comparing participants with control groups over months or years.

Nevertheless, critics raise economic and political concerns. Funding a large-scale program is difficult, and opponents worry it could require higher taxes or cuts in other services. Some also argue that guaranteed income might reduce incentives to work, even if evidence is mixed. Another concern is inflation, especially if demand rises without enough supply.

Reform proposals include partial versions, such as targeted payments or negative income tax systems. However, interest groups disagree strongly about priorities, and many governments face resistance from voters who fear unfairness. As a result, UBI remains an attractive idea for some, but difficult to implement on a national scale.

Satellite internet services are expanding, promising fast connections even in rural areas. Traditional networks often avoid remote regions because building cables is expensive. By using satellites, companies aim to provide coverage almost anywhere, which could change education, healthcare, and business opportunities for isolated communities.

Supporters argue the technology is beneficial. Students in remote areas could access online classes, and small businesses could reach wider markets. During disasters, satellite networks might also offer backup communication when local infrastructure fails. Some governments view these services as a tool to reduce regional inequality and improve national productivity.

Nevertheless, there are serious limitations. Satellite internet can be costly for users, especially when equipment and monthly fees are high. Service quality may also vary due to weather or network congestion. Critics stress that dependence on a small number of private providers can create new risks, including pricing power and political influence.

Regulators are considering measures such as subsidies for low-income users and rules for fair access. However, companies resist strict controls, claiming they need freedom to recover investment and innovate rapidly. Balancing public benefit with commercial incentives will likely shape how satellite internet develops over the next decade.

Some schools are exploring facial recognition systems for security and attendance. Cameras can identify students at entrances, record arrival times, and alert staff when unknown individuals enter. Supporters say these systems make schools safer and reduce the time teachers spend checking attendance.

Advocates believe the technology can be beneficial for efficiency. For instance, staff can quickly locate missing students during emergencies, and schools can measure attendance patterns more accurately. Some parents also feel reassured by stronger security, especially in areas where safety concerns are high.

Nevertheless, critics stress privacy and error risks. Facial recognition is not always accurate, and mistakes may unfairly label a student as absent or suspicious. Data storage creates further concerns: if images are leaked, students could face long-term harm. Critics also argue that constant monitoring increases stress and changes the learning environment.

Policymakers have proposed guidelines requiring clear consent, limited data retention, and independent audits. However, vendors and some administrators resist these measures, claiming they raise costs and slow adoption. The debate suggests that while the system may offer benefits, schools must consider whether the social cost and privacy risk are acceptable.

Fast fashion has grown by offering trendy clothing at low prices and releasing new items frequently. Supporters argue it gives consumers affordable choices and allows people to express style without spending much. It also creates jobs in design, logistics, and retail, contributing to economic activity in many regions.

However, critics highlight serious environmental and labor issues. The industry uses large amounts of water and energy, and many clothes are thrown away quickly, increasing waste. Workers in some supply chains face low wages and unsafe conditions. Nevertheless, these problems can be hard to address because production involves many countries and subcontractors.

In response, some governments consider legislation that requires companies to disclose supply-chain information and measure environmental impact. Proposals also include stronger standards for labor conditions and incentives to increase recycling and repair. Supporters believe transparency would help consumers choose responsibly and pressure companies to improve.

Yet the industry often resists strict regulation, arguing that compliance costs would raise prices and reduce demand. Some consumers also hesitate to pay more for clothing, even when they recognize the problems. As a result, reform will likely depend on both policy enforcement and gradual shifts in consumer behavior.

Mental health days have become a topic in workplaces as stress-related problems increase. Some companies allow employees to take days off specifically for mental recovery, separate from regular sick leave. Supporters argue that recognizing mental health is beneficial because it reduces burnout and helps employees maintain long-term productivity.

Advocates say such policies can improve performance. For instance, workers who rest before reaching exhaustion may return with better focus and fewer mistakes. These measures can also reduce stigma, making people more willing to seek help early. Some organizations attempt to measure outcomes through surveys and changes in turnover rates.

Nevertheless, critics raise concerns about fairness and misuse. If rules are unclear, employees may feel the system is exploited, which can create resentment. Managers also worry about staffing problems when many workers take leave at the same time. In addition, some employees may hesitate to use mental health days because they fear negative judgment.

To address these issues, experts recommend clear guidelines, confidential processes, and training for managers. However, introducing such systems can face resistance, especially in cultures that value long working hours. The success of mental health days depends on whether companies treat them as part of broader support rather than a simple benefit on paper.

Hydrogen has been promoted as a future energy carrier, especially for industries that are hard to electrify. It can be produced using renewable electricity, stored, and later used in factories or transportation. Supporters argue that hydrogen could reduce emissions in steelmaking, shipping, and long-distance trucking.

Advocates say the approach is beneficial because it offers flexibility. Hydrogen can store energy when renewable production is high and release it when demand rises. Governments and companies have launched projects to build infrastructure and measure the costs of large-scale distribution. Some regions also see hydrogen as a way to strengthen energy security by reducing dependence on imported fuels.

Nevertheless, critics stress inefficiency and cost. Producing, transporting, and storing hydrogen can waste energy compared with direct electrification. Infrastructure is expensive, and leakage risks raise safety concerns. There is also debate about “blue hydrogen,” made from natural gas with carbon capture, which may still produce emissions.

Policy proposals include subsidies for “green hydrogen” and standards for verifying emissions. However, industry groups resist strict rules that could slow investment. The hydrogen economy may develop, but its role will depend on realistic assessments of where it is truly effective and how costs can be reduced.

Influencer marketing has become a major advertising method, especially among young consumers. Companies pay popular online creators to introduce products through videos or posts. Supporters argue this can be beneficial because influencers communicate in a familiar style, and audiences may trust recommendations more than traditional ads.

Advocates say the method can help smaller brands reach target customers efficiently. For instance, a company can choose influencers whose followers match a product’s audience, and results can be measured through clicks or sales codes. Influencers can also explain how products are used in daily life, which makes advertising more practical and engaging.

Nevertheless, critics highlight ethical problems. Some influencers fail to disclose paid relationships clearly, which can mislead viewers. There are also cases of exaggerated claims, especially for health or beauty products. Consumers may misinterpret personal opinions as proven facts, leading to disappointment or harm.

Regulators in several countries have proposed stricter rules requiring clear labels for sponsored content. However, enforcement is difficult because content spreads quickly and crosses borders. The debate suggests that influencer marketing can be powerful, but it requires transparency to remain trustworthy.

Micro-credentials, such as short online certificates, are becoming popular as job skills change rapidly. Unlike traditional degrees, these programs focus on specific skills like data analysis or project management. Supporters argue that micro-credentials can be beneficial because they are cheaper, faster, and easier to update than multi-year programs.

Advocates say learners can use these courses to change careers or improve their position at work. For instance, someone who already has a job may study at night and gain new skills without leaving employment. Companies may also use micro-credentials to measure applicants’ abilities more directly than general education backgrounds.

Nevertheless, critics question quality and recognition. Because providers vary widely, some certificates may not represent real skill. Employers may not know which programs are reliable, and learners may waste time and money on weak courses. There is also concern that focusing on narrow skills reduces broader education, such as critical thinking and communication.

Some experts propose standards and independent evaluation to measure program quality. However, creating a trusted system takes time, and providers may resist strict rules. Micro-credentials may remain useful, but their value depends on whether society can agree on credible measures of skill.

Biodiversity corridors are proposed to protect wildlife as cities and farms expand. A corridor connects separated natural areas, allowing animals to move, find food, and maintain genetic diversity. Supporters argue this approach is beneficial because it reduces the isolation that can lead to population decline.

Advocates say corridors can also help ecosystems adapt to climate change. For instance, as temperatures rise, some species need to shift their habitats. Connected landscapes make this movement easier and can measureably reduce extinction risk. Governments and researchers have begun mapping potential corridors and testing whether animals actually use them.

Nevertheless, critics raise concerns about land use and cost. Building corridors may require limiting development, which can face strong resistance from property owners and local businesses. Corridors also need management to prevent conflicts with human activity, such as crops being damaged by wildlife. Some worry that poorly designed corridors may spread invasive species or disease.

Policy proposals include protection zones, financial support for landowners, and careful planning based on scientific data. Yet negotiations are difficult because many stakeholders have competing interests. Biodiversity corridors may succeed, but only if benefits are clear and long-term cooperation is maintained.