慶英会 塾長｜慶應義塾大学卒・英検1級
中高一貫校の学校英語・NEW TREASURE・英検対策を専門とするオンライン個別指導塾です。塾長紹介
英検1級Writing無料模試・慶英会独自第44セット。英文要約2題（90〜110語）、意見英作文2題（200〜240語）、意味を変えない修正課題24問と全解答を掲載しています。衣料品の再利用制度・市民の大気観測・返品の環境負荷・デジタルツールの情報検証という長期に役立つテーマで練習できます。
公式の英検1級Writingは英文要約1題、意見英作文1題で、英文要約は90〜110語の指定です（英検協会｜1級試験内容、英検協会｜語数指示の変更）。本教材は各2題を独自に作成した追加演習で、協会の過去問ではありません。
次の無料教材：Writing第45セット｜英文要約2題・意見英作文2題・修正24問。初見で解き、正答の根拠・誤答の原因まで確認してください。
英文要約と意見英作文の正しい練習法
- 英文要約は筆者の問題意識、賛成論、課題、解決案、結論を抽出する。
- 要約は主語・時制・因果・可能性の強さを原文と一致させ、90〜110語にまとめる。
- 意見英作文は立場を明示し、異なる理由を説明したうえで妥当な反論にも対応する。
- 初見の答案を書き、模範と比較し、修正演習で誤った断定を見つけてから翌日にもう一度書く。
英文要約1｜衣料品の回収制度と再利用の実態｜回収量だけでは成果を測れない
次の慶英会独自英文を90〜110語で要約してください。自分の意見は混ぜないようにします。
A fictional regional authority is considering a program that would require major clothing retailers to contribute to the collection and processing of used textiles. Supporters argue that clothes discarded after limited use create environmental costs that are rarely included in their selling prices. A shared collection network could make it easier for residents to return unwanted garments and help municipalities reduce the amount sent to landfills.
However, recycling specialists caution that a larger collection volume does not automatically mean more material is reused. Some garments contain mixed fibers that are difficult to separate, while others are too damaged to repair. If collection points become overloaded, items may be stored for long periods or transported to facilities that cannot process them. Labels claiming that every returned garment is recycled could therefore create a misleading impression.
Retailers are divided over how to share the expenses. Large chains may already operate return systems, whereas smaller sellers have fewer resources and limited access to sorting equipment. Some industry representatives support charges related to the volume and durability of clothing sold. Others warn that complicated reporting rules could place a disproportionate burden on independent shops.
The authority proposes a limited trial combining collection records with independent checks of what happens to the garments. It will measure repair, resale, fiber recovery, disposal and total transport costs. Consumer groups also want information about where returned clothes go, since a receipt for collection alone does not show that environmental harm has been reduced. Officials will compare several financing systems before setting permanent requirements.
The policy’s objective is to reduce avoidable textile waste while allocating costs fairly across businesses and consumers. A useful system must be judged by the fate of collected material and its long-term affordability, not simply the number of bags brought to collection points.
模範要約（101語）
A fictional regional authority is considering a retailer-funded system for collecting used clothing to reduce landfill waste. Supporters expect easier returns, but specialists warn that mixed fibers, damaged garments and limited processing capacity mean collection does not guarantee recycling. Retailers also disagree about fair costs, especially for smaller shops facing complex reporting requirements. Officials propose a trial tracking repair, resale, fiber recovery, disposal and transport expenses, while consumer groups seek transparency about garments’ final destinations. Several funding approaches will be compared before permanent rules are adopted. The program’s success depends on genuine waste reduction and equitable costs, not collection totals alone.
日本語の全体解説：衣料品の回収を小売企業に負担してもらう構想。集めた袋の数ではリサイクルの実績を証明できず、混紡繊維の処理や損傷、回収後の輸送・保管が課題となる。大手と小規模販売業者では費用負担も異なるため、修理・再販売・繊維回収・廃棄の実態を追跡し、永続的な制度の前に試行する。
要約の意味を変えない修正練習12問
Q1 誤：The authority has already imposed permanent requirements. 正：The authority is considering a trial before permanent rules. 理由：検討と実施の区別。
Q2 誤：Every collected garment is recycled. 正：Some garments cannot be processed or repaired. 理由：回収と再資源化は別。
Q3 誤：Mixed fibers are always easy to separate. 正：Mixed fibers can complicate processing. 理由：加工上の制約。
Q4 誤：All retailers agree on a funding model. 正：Retailers disagree over cost allocation. 理由：利害の対立。
Q5 誤：Small shops have unlimited processing resources. 正：Smaller sellers may face disproportionate burdens. 理由：規模の違い。
Q6 誤：Collection receipts prove environmental benefits. 正：Final treatment and disposal must be examined. 理由：成果の追跡が必要。
Q7 誤：Transport has no environmental cost. 正：Transport expenses and impacts are part of evaluation. 理由：隠れた費用。
Q8 誤：Every returned item goes directly to a repair shop. 正：Some items may be stored or sent to unsuitable facilities. 理由：例外・実態を残す。
Q9 誤：Consumer groups oppose transparency. 正：They want to know where returned clothing ultimately goes. 理由：主体の意見を逆転させない。
Q10 誤：The trial will examine only collection volume. 正：It will also track repair, resale, recovery and disposal. 理由：指標を拡張する。
Q11 誤：There is no reason to evaluate financing. 正：Different cost-sharing models will be compared. 理由：代案比較の必要性。
Q12 誤：The program’s aim is to maximize the number of collection bags. 正：Its aim is actual waste reduction at fair long-term cost. 理由：目的と手段。
英文要約2｜市民による大気観測ネットワークとデータの信頼性
次の慶英会独自英文を90〜110語で要約してください。自分の意見は混ぜないようにします。
A fictional city university has invited residents to install low-cost air-quality sensors on balconies and outside community buildings. The project aims to identify local pollution patterns that might be missed by a small number of official monitoring stations. Participants can view readings on a public map, and some neighborhood groups hope the information will guide discussions about traffic and urban planning.
Early results appeared to show sharp differences between streets, but engineers found that the devices had not been positioned consistently. Several sensors were placed beside kitchen vents or directly above busy garages, while others were sheltered from rain and wind. Measurements also drifted as equipment aged. A high reading could therefore reflect a genuine local problem, an unusual location or a sensor in need of recalibration.
Researchers proposed distributing placement guidelines and recording each device’s location, maintenance and calibration history. They also planned to compare selected sensors with certified instruments. These steps would make it easier to distinguish patterns worth investigating from isolated unreliable readings. Yet the university did not intend to treat citizen observations as a complete replacement for professional monitoring.
Some residents raised privacy concerns because the map displayed device locations close to private homes. Others worried that overly technical requirements would discourage volunteers. Project managers considered publishing approximate locations and offering simple instructions, while trained teams would conduct more demanding verification. The design would need to protect participants without making the data useless.
Before expanding the network, the university will measure reliability, geographic coverage, repair costs and whether residents can interpret the results responsibly. The larger goal is informed participation in environmental decisions, not simply a map with as many colored dots as possible.
模範要約（103語）
A fictional university is establishing a citizen air-quality monitoring network to identify pollution patterns beyond official stations. Initial readings varied widely, but inconsistent sensor placement, nearby exhaust sources and calibration drift could distort results. Researchers plan clearer installation rules, maintenance records and comparisons with certified equipment while retaining professional monitoring. Residents also question the privacy of precise home locations and whether technical requirements will discourage participation. Managers are considering approximate map locations and different levels of guidance. Before expansion, they will assess reliability, coverage, costs and responsible interpretation. The project seeks useful community evidence rather than the greatest possible number of map points.
日本語の全体解説：大学主導で市民に低価格の大気測定器を設置してもらう計画。設置位置が換気口や車庫に近いと局所的な値になり、機器の校正ずれも起きるため、基準器との比較が必要。自宅の位置を詳しく公表するプライバシー問題と、難しい設置指示による参加障壁にも配慮し、数より信頼できる情報と市民の理解を評価する。
要約の意味を変えない修正練習12問
Q13 誤：The university has fully replaced official monitoring. 正：Citizen data will complement certified measurements. 理由：補助と代替を区別。
Q14 誤：Every sensor was installed in an identical location. 正：Placement varied considerably. 理由：観測条件の相違。
Q15 誤：A high reading always proves general pollution. 正：It may reflect local exhaust or a calibration problem. 理由：単一観測の限界。
Q16 誤：Sensors never change accuracy over time. 正：Measurements can drift as equipment ages. 理由：継続校正が必要。
Q17 誤：The project will stop collecting maintenance records. 正：Maintenance and calibration histories will be recorded. 理由：追跡情報を残す。
Q18 誤：Residents unanimously support precise location sharing. 正：Some residents have privacy concerns. 理由：意見の違いを保持。
Q19 誤：All volunteers want complex installation rules. 正：Some fear technical procedures will discourage participation. 理由：参加障壁。
Q20 誤：The public map cannot affect privacy. 正：Exact device locations may identify private homes. 理由：地理情報と個人情報。
Q21 誤：The researchers will never check data independently. 正：Selected readings will be compared with certified equipment. 理由：独立検証。
Q22 誤：The network has already been expanded permanently. 正：Further expansion depends on evaluation. 理由：試行段階。
Q23 誤：The only outcome is how many devices exist. 正：Data quality and responsible interpretation also matter. 理由：代理指標を区別。
Q24 誤：The objective is to maximize colored map points. 正：The objective is useful evidence for environmental decisions. 理由：本来の目的。
意見英作文1｜Should major online retailers disclose the environmental impact of product returns?
200〜240語で立場・理由・実例と例外条件を説明してください。
模範英作文（216語）
Major online retailers should provide clearer information about the environmental consequences of product returns, although disclosures should focus on useful outcomes rather than complicated figures that customers cannot interpret. Convenient returns benefit consumers, but the associated transport and processing deserve scrutiny.
First, better information can expose hidden costs. A returned item may travel through multiple warehouses before it is resold, repaired or discarded. Customers who know that not every product returns directly to a shelf may make more deliberate purchasing decisions.
Second, transparency can encourage operational improvements. Retailers could track whether returned goods are resold, refurbished, donated or disposed of. Those results could help identify packaging problems and descriptions that cause unnecessary returns. The goal should be fewer avoidable journeys and more useful products, not simply less customer service.
Third, comparable reporting can strengthen accountability. Companies might currently use different definitions of recycling or disposal, making positive claims difficult to evaluate. Consistent categories and independent checks would make disclosures more informative.
Critics argue that extensive reporting could raise costs or discourage legitimate returns of defective items. That concern is reasonable. Policies should protect consumer rights, avoid penalizing safety-related returns and impose proportionate requirements.
In conclusion, carefully designed disclosure can support responsible retail without removing essential protections. Actual product outcomes, not attractive environmental slogans, should guide evaluation.
日本語での論理構成：大規模ネット通販の返品について、返品品の移送・再販売・修理・廃棄を適切に開示すべきだ。消費者が隠れた費用を理解し、事業者も不要な返品を減らせる。ただし不良品の正当な返品を妨げず、比較可能な分類・監査と合理的な開示負担を組み合わせる。
意見英作文2｜Should schools teach students to challenge confident claims made by digital tools?
200〜240語で立場・理由・実例と例外条件を説明してください。
模範英作文（220語）
Schools should teach students to examine confident claims produced by digital tools rather than assume that fluency implies accuracy. Online systems can make learning faster and more convenient, but their responses still require critical judgment.
First, students need to understand the difference between an explanation and verified evidence. A polished paragraph may contain an incorrect date, an invented source or a conclusion that goes beyond the available data. Learners should practice checking significant claims against trustworthy primary information.
Second, evaluating digital outputs can improve reasoning. Instead of accepting the first answer, students can ask which assumptions were made, whether alternative explanations exist and what evidence would change the conclusion. This skill applies equally to textbooks, news reports and automated systems.
Third, careful verification supports independent learning. Students who know how to identify errors are less likely to depend on a single platform or authority. Teachers can design exercises where pupils correct misleading summaries and explain why the original wording was inappropriate.
Critics worry that constant checking will slow lessons or make students distrust useful technology. That risk can be managed through proportionate practice: high-stakes claims need careful verification, while routine tasks may require lighter checks.
Ultimately, digital literacy should develop confident but questioning learners. The goal is not to reject technology, but to use it with evidence, judgment and responsibility.
日本語での論理構成：AI等のデジタルツールが流暢に答えても正確とは限らないことを教える。一次情報を確認し、前提・反証・根拠の強さを考えることで主体的な学習につながる。全作業を過度に検証するのではなく重要性に応じた確認習慣を育てる。
4つの重要な見直し
- 数字や報告件数だけで効果が実証されたと主張しない。
- could / may / might の可能性を強い断定に変えない。
- 責任を負う主体を取り違えず、企業・自治体・利用者の立場を明確にする。
- 原文の反対意見や費用・公平性の制約を落とさない。
よくある質問
英検1級英文要約は何語ですか？
2025年度から英検協会の指示は90〜110語です。要点を守り、語数範囲内に収めます。
同じ意味で言い換えるには？
動詞や名詞を置き換えるだけでなく、主語・条件・時間・確実性を維持できているか確認してください。
意見英作文で統計を創作してもよいですか？
根拠のない数字を加える必要はありません。具体的な仕組みと論理の一貫性を優先してください。
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慶英会 塾長｜慶應義塾大学卒・英検1級。中高一貫校の学校英語・NEW TREASURE・英検対策を専門としています。塾長の経歴・指導方針を確認する