
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51セット。英文要約2題(各90〜110語)・意見英作文2題(各200〜240語)・誤要約修正24問を、解答と詳しい解説付きで公開します。海底通信ケーブル、河川マイクロプラスチック、病院の待ち時間、公共システムの費用を題材にした長期的に使える独自教材です。
英検1級Writingは英文要約1題・意見英作文1題で、要約は90〜110語、英作文は200〜240語です(日本英語検定協会の試験内容、英語版公式形式)。本ページの問題は慶英会独自作成の非公式演習です。
初見演習と復習の順序
- 原文の目的・利点・問題点・関係者の意見・検証方法を整理する。
- 要約は先に90〜110語で書き、仮説を実証済みと断定していないか確認する。
- 意見英作文は賛否、異なる根拠、反論への応答と結論を書く。
- 誤要約修正で原文との食い違いを探し、翌日に再演習する。
英文要約1|海底通信ケーブルと島の通信継続
課題:次の慶英会オリジナル英文を90〜110語で英語要約してください。自分の意見は加えないこと。
A fictional island region is considering a joint maintenance agreement for the submarine cables that provide most of its external internet connections. Residents, clinics, schools, and small businesses depend on services that may be disrupted if a cable is damaged. Supporters hope that spare equipment and prearranged repair vessels would shorten outages compared with negotiating help only after an emergency.
Engineers caution that resilience involves more than installing an extra cable. A second line following nearly the same route could be damaged by the same underwater landslide, anchor, or severe weather event. Repair ships may be unavailable during storms. Backup radio links can carry some essential traffic but might lack the capacity required for all routine services.
Officials are comparing different routes, backup technologies, and procedures for prioritizing communication when capacity is limited. Hospitals want reliable clinical information, while schools and businesses worry about interruptions to teaching and payments. Some administrators favor a publicly funded reserve, whereas others prefer contributions from telecommunications operators.
A pilot would simulate failures and measure restoration time, traffic carried during outages, staff readiness, user communication, and long-term costs. Security specialists also want to avoid publicly revealing vulnerabilities that could make deliberate disruption easier. The government could report broad performance measures while allowing protected technical review.
The region’s objective is dependable communication during emergencies, not simply the greatest number of kilometers of cable installed.
模範要約(92語)
A fictional island region is considering shared maintenance arrangements for submarine internet cables to shorten service interruptions. Spare equipment and repair vessels could improve recovery, but engineers warn that cables on similar routes can fail together and backup radio links have limited capacity. Officials are comparing diverse routes, alternative technologies, priority access for essential services, and funding arrangements. A trial would measure restoration, communication during outages, staff readiness, and costs. Public reporting may exclude sensitive technical vulnerabilities. The region seeks dependable services during disruptions rather than the largest amount of cable installed.
日本語解説:架空の離島地域が海底通信線の共同保守を検討。同経路の予備線は同時被害の危険があり、修理船と無線回線にも限界がある。医療などの必要通信を優先し、復旧能力・維持費・保安を検証する。
意味の誤りを修正する12問
Q1 誤:The region has already completed a nationwide network. 正:The region is considering shared maintenance for existing cables. 解説:検討段階。
Q2 誤:A second cable guarantees no outages. 正:Cables on similar routes can fail together. 解説:共通の故障リスク。
Q3 誤:Radio backups can carry all traffic. 正:Backup links may have insufficient capacity. 解説:容量の制限。
Q4 誤:Repair vessels are always available in storms. 正:Severe weather may limit repair access. 解説:天候の影響。
Q5 誤:Every public service has the same communication priority. 正:Essential medical communication may need priority. 解説:需要の違い。
Q6 誤:The funding model is already agreed. 正:Public and operator contributions are under consideration. 解説:費用負担は未決定。
Q7 誤:The pilot measures only cable length. 正:It will examine restoration, readiness, traffic, and costs. 解説:成果指標の違い。
Q8 誤:All vulnerabilities will be published in detail. 正:Sensitive technical weaknesses may be protected. 解説:保安上の留保。
Q9 誤:No alternative communication methods are being examined. 正:Several routes and backup technologies are being compared. 解説:代替案。
Q10 誤:The government guarantees permanent funding. 正:Different financial arrangements are still being considered. 解説:財源の不確実性。
Q11 誤:One successful day proves long-term reliability. 正:Several failure scenarios and full costs need assessment. 解説:一般化の限界。
Q12 誤:The purpose is maximum cable length. 正:The objective is dependable communication during disruption. 解説:本来の目的。
英文要約2|河川マイクロプラスチックの測定基準と誤差
課題:次の慶英会オリジナル英文を90〜110語で英語要約してください。自分の意見は加えないこと。
A fictional river research network is developing common methods for measuring microplastics. Different laboratories currently use different filters and reporting units, making their findings difficult to compare. Some report particles per sample, others estimate mass, and still others separate materials by size. Residents want to know whether pollution is increasing, but inconsistent methods can produce misleading trends.
Scientists explain that sample volume, filter size, contamination during handling, and the accuracy of particle identification all influence reported numbers. Fibers from researchers’ clothing may enter samples accidentally. Improved equipment may detect smaller fragments that older methods missed, creating an apparent increase without a corresponding change in the river.
The network proposes standardized collection, reference materials, blank samples to check contamination, and clearly recorded instrument settings. It also plans repeated measurements during different seasons and flow conditions. A sample collected after heavy rain at one bridge cannot necessarily describe conditions upstream or during a drought.
Local authorities are considering how monitoring might inform waste-reduction measures. Businesses worry that preliminary measurements may be used to blame particular industries even though finding a plastic particle does not automatically establish its source. Researchers intend to communicate the uncertainty of any conclusions and distinguish detection from responsibility.
Officials will evaluate comparability, quality-control failures, field costs, and practical use of the information. The goal is reliable environmental evidence, not the largest number of particles reported.
模範要約(95語)
A fictional river research network is developing common methods for measuring microplastics because laboratories use different filters, units, and identification procedures. Researchers warn that contamination, sample size, improved detection, rainfall, and river flow can change reported counts without proving pollution has increased. Proposed safeguards include standardized sampling, blank samples, reference materials, and repeated observations. Authorities may use the findings for waste policy, but businesses worry about unsupported claims concerning pollution sources. Scientists emphasize that detecting particles does not establish their origin. The project prioritizes comparable, reliable evidence and practical value rather than high particle counts.
日本語解説:河川の微細プラスチックはフィルター・採水量・機器感度・衣服からの混入・降雨量が測定数へ影響する。標準化と空試料・反復観測を使い、検出だけで特定産業を汚染源と断定しない。
意味の誤りを修正する12問
Q13 誤:Every laboratory already follows identical rules. 正:The network is trying to standardize differing methods. 解説:手法はまだ統一されていない。
Q14 誤:Every particle count is expressed in the same unit. 正:Reports may use counts, masses, and size groups. 解説:単位の違い。
Q15 誤:Sampling cannot introduce fibers. 正:Clothing and handling can contaminate samples. 解説:混入の可能性。
Q16 誤:Higher counts prove pollution worsened. 正:Better detection may increase reported counts. 解説:機器感度と現実の変化。
Q17 誤:Quality-control samples are unnecessary. 正:The plan includes blank and reference samples. 解説:品質管理。
Q18 誤:One sample represents all river conditions. 正:Location, flow, and rainfall may affect results. 解説:代表性の限界。
Q19 誤:Every detected particle can be assigned to one industry. 正:Particle detection does not necessarily identify its source. 解説:発生源は別の問題。
Q20 誤:Businesses welcome unsupported accusations. 正:Some businesses worry about premature blame. 解説:異なる利害。
Q21 誤:New waste rules have already been adopted. 正:Authorities are considering future policy applications. 解説:決定段階。
Q22 誤:The goal is the greatest particle count. 正:It seeks comparable, reliable measurements. 解説:目的のすり替え。
Q23 誤:The network will avoid repeated sampling. 正:It proposes measurements across seasons and conditions. 解説:反復観測。
Q24 誤:Costs will not be assessed. 正:The network plans to consider field costs and usefulness. 解説:運用費を含む。
意見英作文1|Should public hospitals publish reliable information about appointment waiting times?
200〜240語で立場と理由を述べ、異なる見方への応答も加えてください。
模範英作文(211語)
Public hospitals should publish understandable information about appointment waiting times while protecting patient privacy and avoiding misleading comparisons. Waiting times can influence access to essential care, but a single average does not describe every clinical situation.
First, transparency may help patients plan. People arranging transport or time away from work benefit from realistic estimates. However, hospitals must distinguish emergency cases from routine appointments and explain how medical urgency can change scheduling priorities.
Second, reporting may improve management. Investigating long waits can reveal administrative delays, inadequate staffing, or unnecessary procedures. Completed appointments, cancellations, and unmet requests should be considered together rather than treating booking totals as a measure of service quality.
Third, consistent information supports accountability. Patients should understand how the figures are calculated, including whether missed visits and specialized clinics are included. Comparing institutions also requires caution because hospitals serve different populations and treat different conditions.
Critics reasonably argue that reporting creates work and that simplistic rankings might discourage hospitals from accepting difficult cases. This supports proportionate methods and explanatory context rather than withholding useful information.
In conclusion, waiting-time transparency can strengthen timely, equitable care when reliable figures and clear limitations guide decisions. The objective is better patient access, not an attractive average that hides the needs of people still waiting.
論理の解説:予約待ち時間の公開は患者の準備と病院の運用改善、説明責任に役立つ。ただし救急と通常診療を分け、患者層や未受診の事情を含む信頼できる比較が必要。
意見英作文2|Should public agencies routinely assess lifetime costs before buying new software?
200〜240語で立場と理由を述べ、異なる見方への応答も加えてください。
模範英作文(211語)
Public agencies should assess the long-term costs of digital systems before adopting them widely. Technology can make public services faster, but an inexpensive initial contract may conceal obligations that taxpayers will finance for years.
First, software needs continued maintenance. Security updates, compatibility changes, and technical support do not end after a successful launch. If an agency underestimates these requirements, a project that appears economical may become unreliable or difficult to operate safely.
Second, migration and staff training deserve attention. Existing records must be transferred accurately, employees need to learn different procedures, and people unable to use online services may still require accessible alternatives. These tasks create real costs even when a system is described as fully digital.
Third, careful procurement can reduce unnecessary dependence on one supplier. Open standards, documented interfaces, and clear exit provisions may make later changes easier. However, switching still carries risks and expenses, so no single licensing model guarantees savings.
Critics argue that lengthy reviews can slow innovation. That objection is reasonable, and proportionate analysis combined with limited pilots may provide useful evidence without excessive delay.
In conclusion, governments should purchase systems for dependable public value throughout their service life. Initial prices, app registrations, and polished interfaces should never replace measures of reliability, accessibility, and total expenditure.
論理の解説:公的システム調達で初期費用だけではなく保守更新、データ移行、職員教育、オンライン以外の窓口などライフサイクル費を見積もる。小規模試行と退出時の契約条件も検証する。
答案の見直し
- 検討段階を実施・成功済みに変えていないか。
- 観測機器・標本・地域の違いから因果を飛躍させていないか。
- セキュリティ・権利・保守費用などの重要な留保を省きすぎていないか。
- 本文にない数値や制度を創作していないか。
FAQ
英検1級の英文要約の語数は?
90〜110語です。指定語数内で主張と重要な制約を保持してください。
英作文の語数は?
200〜240語が指定されています。内容・構成・語彙・文法も確認します。
要約で自分の意見を書いてよいですか?
原文の要約では自分の意見は加えません。意見英作文と区別します。
関連教材
参考公式情報
すべての英文・設問・模範答案・日本語解説は慶英会独自制作の非公式教材です。事例は学習用の架空設定です。

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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
