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すべてのテーマ教育・学校仕事・経済テクノロジー社会・文化環境健康・生活人間関係・コミュニケーションお金・消費

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英検1級要約お金・消費

銀行は、預けられたお金をすべて現金として保管しているわけではありません。

Banks do not keep all deposited money in cash. Instead, they use part of those funds to make loans to households and businesses, while retaining enough liquid assets to meet normal withdrawals. This system supports economic activity, but it can create problems when confidence in a bank suddenly weakens. If rumors about financial trouble spread, many depositors may try to withdraw their money at the same time. Even a bank that is otherwise sound may then struggle to provide enough cash immediately, because much of its money is tied up in loans and other assets.

90〜110語 · プリントあり

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英検1級要約仕事・経済

食料需要の増加や食料安全保障への懸念の高まりを背景に、企業や政府が海外で広大な農地を取得する動きが進んでいます。

Rising demand for food and growing concerns about food security have encouraged companies and governments to acquire large areas of farmland abroad. Such deals may involve either purchasing land outright or leasing it for many years in order to secure agricultural production. Supporters argue that foreign investment can bring capital, technology, and infrastructure to underdeveloped farming regions. However, problems can arise where land rights are poorly documented. People who have farmed or grazed animals on the same land for generations may have no formal title, making it possible for them to lose access without meaningful consultation or adequate compensation.

90〜110語 · プリントあり

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英検1級要約環境

一部の国では、既存の原子力発電所を当初予定されていた期間を超えて運転し続けることが検討されています。

Some countries are considering keeping existing nuclear power plants in operation beyond the periods originally planned. One reason is the need to meet electricity demand without increasing greenhouse-gas emissions from fossil fuels. Extending the life of current plants can also avoid the time and expense required to build replacement generating capacity. However, reactors, pipes, and other components are exposed to heat, radiation, and pressure for many years. As these materials age, deterioration can become more important, making regular inspections and the replacement of worn equipment essential for maintaining safe operation.

90〜110語 · プリントあり

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英検1級要約仕事・経済

現代の企業は、さまざまな国にある供給業者から原材料、部品、完成品を調達することがよくあります。

Modern companies often obtain raw materials, components, and finished goods from suppliers located in many different countries. These arrangements can lower costs and give firms access to specialized producers, but they also create long and complicated supply chains. A company selling the final product may have direct contact with only a small number of major suppliers, while those firms rely on subcontractors and farms further down the chain. If forced labor is used at these earlier stages, the company whose brand appears on the product may have little information about the conditions under which materials were produced.

90〜110語 · プリントあり

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英検1級要約お金・消費

洪水、山火事、その他の自然災害が頻繁に発生する地域では、保険会社が住宅被害に対して支払う保険金が増えています。

In regions frequently affected by floods, wildfires, and other natural disasters, insurance companies are paying out larger sums for damage to homes. As losses rise, insurers may conclude that future claims in certain areas will be too costly to cover at existing prices. They can respond by sharply increasing premiums, reducing the amount of coverage offered, or refusing to issue new policies in places considered especially risky. For homeowners, this means that insurance may become unaffordable or unavailable even when they still need protection against serious property damage.

90〜110語 · プリントあり

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英検1級要約環境

泥炭地は、水分を多く含む土地で、完全には分解されていない植物由来の物質が長い年月をかけて蓄積した場所です。

Peatlands are naturally water-rich areas where partially decomposed plant material has accumulated over long periods. In some regions, however, these lands have been drained so that they can be used for farming or grazing. Removing water makes the ground easier to cultivate, but it also exposes peat to air. Once dried, the organic material begins to break down more rapidly and releases carbon that had been stored in the soil. Continued drainage can also cause the land surface to sink and make dry peat more vulnerable to fire, creating problems that may become more severe over time.

90〜110語 · プリントあり

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英検1級要約環境

リンは作物の生産に欠かせない栄養素であり、現代の農業は、限られた地域で採掘されるリン鉱石に大きく依存しています。

Phosphorus is an essential nutrient for crop production, and modern agriculture depends heavily on phosphate rock mined from a limited number of regions. Farmers use phosphorus fertilizers to maintain soil fertility and achieve high yields, but this dependence creates a vulnerability in the global food system. If demand rises sharply or mining and transport are disrupted in major producing areas, the price and availability of phosphate rock can become unstable. Countries that import most of their fertilizer materials may be especially exposed because they have few alternative sources when international supplies tighten.

90〜110語 · プリントあり

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英検1級要約環境

航空機が高高度を飛行すると、適切な大気条件のもとでは、排気に含まれる水蒸気が凍結し、長時間残る飛行機雲が発生することがあります。

Aircraft flying at high altitudes can sometimes produce long-lasting condensation trails when water vapor in their exhaust freezes under suitable atmospheric conditions. These trails, known as contrails, may spread and persist for hours instead of disappearing quickly. Although they look like thin clouds, their climate effect can be significant because they can reduce the amount of heat escaping from Earth's atmosphere. As a result, aviation can contribute to warming not only through carbon dioxide emissions but also through these non-CO2 effects, which may increase the sector's overall influence on the climate and complicate efforts to measure and reduce aviation-related warming.

90〜110語 · プリントあり

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英検1級要約テクノロジー

生成AIシステムは、膨大な量の文章、画像、その他のデジタル資料を分析することで開発されています。

Generative AI systems are developed by analyzing enormous collections of text, images, and other digital material. Much of this content is gathered from the Internet, where copyrighted works may be included alongside material that is freely available. In some cases, creators may not know that their work has been used for training or may not have given clear permission for such use. This has raised concerns that writers, artists, and other rights holders are losing control over how their creations are used in the development of commercial AI systems.

90〜110語 · プリントあり

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英検1級要約環境

国際貿易の急速な拡大に伴い、世界の海を航行する大型船の数が増えています。

International trade has expanded rapidly, leading to more large ships traveling across the world's oceans. These vessels generate continuous low-frequency noise from engines, propellers, and other machinery, and the sound can travel long distances underwater. For many marine animals, especially whales and other species that depend heavily on sound, this creates a growing problem. They use acoustic signals to communicate, navigate, locate food, and maintain contact with others. When human-made noise becomes intense or persistent, these important signals may be masked, making it harder for animals to detect information they rely on. In heavily traveled waters, repeated exposure can leave few quiet periods for normal behavior.

90〜110語 · プリントあり

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英検1級要約テクノロジー

政府、企業、銀行、その他多くの組織は、機密情報やオンライン取引を保護するために、現代の暗号技術に大きく依存しています。

Governments, businesses, banks, and many other organizations rely on modern encryption to protect confidential information and online transactions. These systems make intercepted data extremely difficult to read without the correct digital keys. However, researchers expect that sufficiently powerful quantum computers could eventually solve some mathematical problems much faster than today's machines. If that happens, several widely used encryption methods may no longer provide adequate protection. Data that is secure under current standards could then become vulnerable, even if the information was collected or transmitted years earlier.

90〜110語 · プリントあり

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英検1級要約環境

窒素肥料は、作物の成長を助け、収穫量を増やすことができるため、農地で広く使用されています。

Nitrogen fertilizers are widely used on farmland because they help crops grow and can increase yields. However, plants do not absorb all of the nutrients that farmers apply. When more nitrogen is added than crops can use, some of it remains in the soil and can be carried away by rain. Water moving across fields or through the ground may then transport this excess nitrogen into rivers, lakes, and coastal waters. As a result, areas far from the original farmland can receive unusually high levels of nutrients, especially after heavy rainfall or during seasons when fields are left bare.

90〜110語 · プリントあり

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英検1級要約環境

果物、苗木、木材など、大量の植物由来製品が毎日国境を越えて取引されています。

Large quantities of plant-based products, including fruit, young plants, and timber, are traded across national borders every day. This commerce supports agriculture and construction, but it can also move unwanted organisms from one region to another. Insects, eggs, fungi, or other pathogens may remain hidden on plants, packaging, or wood during transport. If they survive the journey and enter a place where they were previously absent, they may establish new populations. Because international trade connects distant ecosystems more quickly than natural movement would, even a small number of contaminated shipments can create opportunities for agricultural pests to spread.

90〜110語 · プリントあり

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英検1級要約環境

石油や天然ガスの井戸は、生産が終了した後にそのまま放置されることがあります。

Oil and natural-gas wells are sometimes left behind after production ends, especially when operators close businesses or abandon sites without completing proper sealing work. Thousands of these old wells exist in some producing regions, and their condition can deteriorate over time. Casings, valves, and other equipment may corrode, while gaps can develop around the well structure. When this happens, gases trapped underground, including methane, can move upward and escape at the surface. Because many abandoned wells are no longer regularly inspected, leaks may continue for long periods before anyone notices them.

90〜110語 · プリントあり

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英検1級要約健康・生活

医薬品が高価な地域や、正規の流通網が十分に整っていない地域では、多くの人が非公式の販売業者や規制されていない市場から薬を入手しています。

In regions where medicines are expensive or official distribution networks are weak, many people obtain drugs from informal sellers or unregulated markets. These channels can improve access when pharmacies and clinics are difficult to reach, but they also make it easier for counterfeit products to enter circulation. Such medicines may contain too little of the intended active ingredient, the wrong substance, or no effective medicine at all. Because packaging can closely resemble legitimate products, patients and even health workers may find it difficult to recognize that a drug is unsafe or ineffective before it is used, especially when reliable testing is unavailable.

90〜110語 · プリントあり

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英検1級要約環境

山火事が長年にわたって積極的に抑えられてきた地域では、森林に乾燥した落ち葉、枯れ枝、その他の燃えやすい物質が徐々に大量に蓄積することがあります。

In regions where wildfires have been aggressively suppressed for many years, forests can gradually accumulate large amounts of dry leaves, dead branches, and other flammable material. Preventing small fires may protect communities in the short term, but it also allows this fuel to build up on the forest floor. During prolonged dry periods, a single ignition can then spread quickly through the abundant vegetation. Strong winds and low humidity can make the situation worse, turning what might once have been a limited fire into a much larger and more intense wildfire that is difficult to control.

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英検1級要約健康・生活

マラリアなど蚊が媒介する感染症は、世界の多くの地域で依然として深刻な健康問題を引き起こしています。

Mosquito-borne diseases such as malaria continue to cause serious health problems in many parts of the world. Governments and health organizations have long relied on insecticides, mosquito nets, and other control measures to reduce transmission. These approaches can save lives, but they do not always keep mosquito populations low enough to prevent outbreaks. In addition, repeated use of the same chemicals can favor mosquitoes that survive exposure, allowing resistance to spread through local populations. As control becomes less effective, communities may face continuing transmission even when substantial resources are devoted to conventional methods.

90〜110語 · プリントあり

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英検1級要約環境

寒冷地域では、冬の間、道路の凍結を防ぎ交通事故を減らすために、塩化物を主成分とする融雪剤が大量に散布されます。

In cold regions, large quantities of chloride-based deicing salts are spread on roads during winter to prevent ice from forming and reduce traffic accidents. These materials are effective and relatively inexpensive, which makes them widely used by local authorities. However, the salt does not remain on the road. When snow melts or rain falls, dissolved chloride can be washed into nearby streams, lakes, and groundwater. Because chloride breaks down very slowly, repeated winter applications can cause concentrations to build up over many years, especially in areas with heavy road traffic and limited water circulation. Pollution can therefore continue even outside the winter season.

90〜110語 · プリントあり

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英検1級要約教育・学校

農村部や遠隔地では、学校が有資格の教員を長期間にわたって採用・確保することに苦労する場合がよくあります。

In rural and remote areas, schools often struggle to recruit and retain qualified teachers for long periods. Smaller populations can mean fewer professional opportunities, while housing, transportation, and access to services may be less convenient than in cities. Teachers may also worry that working far from major educational centers will limit their career development. When vacancies remain unfilled, existing staff may be asked to teach subjects outside their main area of expertise, and some schools may be unable to offer specialized courses at all. This can leave administrators relying on temporary staff or repeatedly searching for replacements.

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英検1級要約環境

地熱発電は、地下に蓄えられた熱を利用して電気を生み出すもので、天候に左右されずに稼働できる低炭素エネルギー源として注目されています。

Geothermal power uses heat stored beneath the ground to generate electricity and has attracted attention as a low-carbon source that can operate regardless of weather conditions. In some projects, however, operators inject water deep underground or pump hot fluids back to the surface. These activities can change pressure within rock formations and nearby faults. In certain regions, the resulting stress changes have triggered earthquakes that would otherwise have been unlikely to occur at that time or place. Most such events are small, but the possibility of stronger shaking has raised concerns around some geothermal developments.

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英検1級要約社会・文化

公費で雇われる弁護士は、私選弁護士を雇う余裕のない被告人の権利を守るうえで重要な役割を果たしています。

Publicly funded lawyers play an important role in protecting defendants who cannot afford private legal representation. In many countries and regions, these attorneys are assigned to represent people facing criminal charges so that lack of money does not prevent access to legal assistance. However, public defenders often handle many cases at the same time. When workloads become too heavy, lawyers may have limited time to investigate evidence, interview witnesses, study legal issues, or meet privately with each client before important hearings and trials.

90〜110語 · プリントあり

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英検1級要約環境

乾燥地域では、作物を安定して生産するのに十分な降雨がないため、農家は灌漑に頼ることがよくあります。

In dry regions, farmers often depend on irrigation because rainfall is too limited to support reliable crop production. Irrigation water naturally contains small amounts of dissolved salts, and repeated use can gradually change the condition of the soil. When water applied to fields evaporates or is taken up by plants, much of the salt remains behind. If this process continues for many years, salt concentrations can rise to levels that damage crops. The problem is especially serious where drainage is poor, since salts cannot easily move away from the root zone.

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英検1級要約社会・文化

一部の国では、悪天候、国際紛争、その他の混乱によって食料輸入が不安定になる可能性があるため、政府が主要穀物の備蓄を維持しています。

Governments in some countries maintain reserves of major grains because food imports can become unreliable during periods of bad weather, international conflict, or other disruptions. Nations that depend heavily on overseas suppliers may be especially vulnerable when transport routes are interrupted or exporting countries restrict sales. By purchasing grain during normal periods and storing it in public facilities, authorities can create an emergency supply that can be used when commercial markets fail to provide enough food.

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英検1級要約環境

大規模な商業漁業では、魚介類を効率よく大量に捕獲するために、網、釣り糸、その他の漁具が使用されます。

Large-scale commercial fishing uses nets, lines, and other gear designed to catch large quantities of seafood efficiently. These methods help supply global markets, but they do not always capture only the intended species. Seabirds, sea turtles, marine mammals, and non-target fish can become trapped or hooked accidentally while vessels pursue commercially valuable catches. Some of these animals are released alive, but many are injured or die before they can escape. Because bycatch occurs during normal fishing operations, large numbers of unintended animals may be affected even when fishers are following legal practices.

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