EigoPro 1級 読解 — Towers of Plenty, Furnaces of Doubt

Vertical farming arrives swaddled in the rhetoric of inevitability. Its proponents envisage stacked tiers of lettuce and herbs rising within retrofitted warehouses, hermetically sealed against drought, pests, and the caprice of weather. Because such towers can be erected adjacent to the cities they feed, advocates contend that they will collapse sprawling supply chains, eliminate the carbon emitted by long-haul refrigerated transport, and grant crowded metropolises a measure of nutritional autonomy hitherto unimaginable. The vision is seductive precisely because it transmutes a perennial vulnerability—a chronic dependence on distant, climate-exposed acreage—into something engineered, predictable, and wholly controllable. Yet this giddy enthusiasm glosses over an awkward thermodynamic ledger. Crops that once drew their photons gratis from the sun must, indoors, be bathed in artificial illumination drawn from the grid; pumps, dehumidifiers, and climate controllers run ceaselessly around the clock. The energy intensity of growing a single kilogram of greens this way frequently dwarfs that of conventional field cultivation, and unless the electricity is overwhelmingly renewable, the supposed climate dividend evaporates—indeed inverts entirely. Sceptics note, too, that the economics have proved stubbornly unforgiving: a whole parade of well-capitalised ventures has quietly folded, undone by margins too thin to service the formidable capital outlay. The more sober assessment is that vertical farming is neither panacea nor folly but a niche technology patiently awaiting its proper habitat. Where land is scarce, electricity is clean and cheap, and the produce commands a handsome premium, the calculus may genuinely favour it; elsewhere, it remains an expensive indulgence dressed in borrowed green credentials. To anoint it the saviour of urban food security is to mistake a promising instrument for a finished solution. The crops it yields—leafy, perishable, calorically trivial—can never substitute for the grains and pulses that actually nourish populations. Its champions would do well to temper their evangelism, lest the gulf between glossy projection and stubborn arithmetic ultimately discredit a technology that, deployed judiciously, has something genuine to offer.

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この単元の問題を3問、解説つきで公開しています

1級 · 読解 · 全5問

問 1

Which statement best captures the central argument of the passage?

  • Vertical farming is fundamentally a marketing fraud that delivers no genuine benefits whatsoever.
  • Vertical farming is a useful but limited technology whose promise is often overstated by its supporters.
  • Vertical farming has already secured the food supply of most major metropolitan areas.
  • Vertical farming will inevitably replace conventional agriculture once electricity becomes cheaper.
Phrase

neither panacea nor folly but a niche technology patiently awaiting its proper habitat

1級読解主旨把握論旨
⚡ひとことで

筆者は垂直農業を「万能薬でも愚行でもないニッチ技術」と位置づける。

選択肢の解説Choice Analysis

「Vertical farming is a useful but limited technology whose promise is often overstated by its supporters.」

正解

本文は「neither panacea nor folly but a niche technology awaiting its proper habitat」と述べ、垂直農業を過大評価でも全否定でもない中立的立場で評価している。利点を認めつつ、支持者の宣伝が誇張されていると警告する。よって「有用だが限定的で、期待が誇張されがち」という選択肢が主旨に最も合致する。

  • 「Vertical farming will inevitably replace conventional agriculture once electricity becomes cheaper.」

    = 電力が安くなれば従来農業を必ず置き換える ━ 本文は「niche technology」「expensive indulgence」と述べ、全面代替を明確に否定している。。

  • 「Vertical farming is fundamentally a marketing fraud that delivers no genuine benefits whatsoever.」

    = 本質的に何の利点もない販売詐欺だ ━ 本文は「has something genuine to offer」と利点を認めており、全否定ではない。。

  • 「Vertical farming has already secured the food supply of most major metropolitan areas.」

    = 既に大都市の食料供給を確保している ━ 本文は「awaiting its proper habitat」と未完成段階を示し、確保済みとは述べていない。。

▦Collocation
パターン意味例
neither A nor BAでもBでもないIt is neither a panacea nor a folly.
awaiting its proper habitatふさわしい環境を待っているThe technology is awaiting its proper habitat.
overstate the promise可能性を誇張するSupporters tend to overstate the promise of new tech.
a useful but limited tool有用だが限定的な道具It remains a useful but limited tool.
capture the central argument中心的主張を捉えるThis line captures the central argument well.
❝例文

  • The essay is neither praise nor condemnation but a measured appraisal.

    そのエッセイは称賛でも非難でもなく、慎重な評価である。

  • Solar power is a niche solution awaiting cheaper storage.

    太陽光は安価な蓄電を待つニッチな解決策だ。

  • Critics say enthusiasts overstate the technology's promise.

    批評家は支持者が技術の可能性を誇張していると言う。

  • A useful but limited instrument should not be sold as a cure

    all. — 有用だが限定的な道具を万能薬として売るべきではない。

💡Tip · 覚えるコツ

C1-C2 の主旨問題では「neither A nor B」のような両極を否定する構文が筆者の中立的立場を示すことが多い。極端な選択肢(必ず・完全に・既に)は誤答候補。

問 2

According to the passage, why do advocates believe vertical farming benefits cities?

  • Because the towers draw free sunlight and therefore use almost no grid electricity.
  • Because the towers can be built next to cities, shortening supply chains and cutting transport emissions.
  • Because the towers have already proved highly profitable for most investors.
  • Because the towers can produce grains and pulses that feed large populations cheaply.
Phrase

they will collapse sprawling supply chains, eliminate the carbon emitted by long-haul refrigerated transport

1級読解詳細把握
⚡ひとことで

支持者は都市隣接により供給網短縮と輸送排出削減を主張する。

選択肢の解説Choice Analysis

「Because the towers can be built next to cities, shortening supply chains and cutting transport emissions.」

正解

本文は塔が「adjacent to the cities they feed」に建てられるため「collapse supply chains, eliminate the carbon emitted by long-haul refrigerated transport」できると支持者の主張を紹介する。これは都市近接による供給網短縮と輸送排出削減を意味する。よって正解は供給網短縮と輸送排出削減を挙げた選択肢である。

  • 「Because the towers can produce grains and pulses that feed very large populations cheaply.」

    = 穀物や豆類を安価に大量供給する ━ 本文は最終段で「can never substitute for the grains and pulses」と述べ、穀物供給を否定している。。

  • 「Because the towers draw free sunlight and therefore use almost no grid electricity.」

    = 無料の太陽光を使い電力をほぼ使わない ━ 本文は「bathed in artificial illumination drawn from the grid」と述べ、室内栽培は電力に依存すると説明する。。

  • 「Because the towers have already proved highly profitable for most investors.」

    = ほとんどの投資家に高収益をもたらした ━ 本文は「a parade of well-capitalised ventures has folded」と述べ、収益性は厳しいとする。。

▦Collocation
パターン意味例
adjacent to the city都市に隣接してThe tower stands adjacent to the city center.
collapse supply chains供給網を短縮・崩壊させるLocal production can collapse long supply chains.
eliminate the carbon炭素を排除するThey aim to eliminate the carbon from transport.
long-haul transport長距離輸送Long-haul transport emits significant carbon.
grant a measure of autonomyある程度の自律を与えるIt grants cities a measure of nutritional autonomy.
❝例文

  • Building factories adjacent to ports shortens supply chains.

    港に隣接して工場を建てると供給網が短縮される。

  • Electric trucks aim to eliminate the carbon emitted by transport.

    電動トラックは輸送排出炭素の排除を目指す。

  • Long

    haul refrigerated transport spoils some produce. — 長距離冷蔵輸送は一部の農産物を傷める。

  • The plan grants the region a measure of energy autonomy.

    その計画は地域にある程度のエネルギー自律を与える。

💡Tip · 覚えるコツ

詳細問題では支持者の主張(advocates contend)と筆者の反論を混同しないこと。設問が「advocates believe」と問うているので支持者側の論拠を選ぶ。

問 3

What economic problem does the passage attribute to vertical farming ventures?

  • Consumers refused to pay any premium for the produce, leaving the towers empty.
  • Governments imposed heavy taxes that made the towers unprofitable to operate.
  • The towers produced far more food than urban markets could ever absorb.
  • Their profit margins were too small to cover the large capital costs, causing many to fail.
Phrase

undone by margins too thin to service the formidable capital outlay

1級読解詳細把握
⚡ひとことで

薄い利益率が巨額の設備投資を賄えず、多くの事業が破綻した。

選択肢の解説Choice Analysis

「Their profit margins were too small to cover the large capital costs, causing many to fail.」

正解

本文は「a parade of well-capitalised ventures has folded, undone by margins too thin to service the formidable capital outlay」と述べる。これは利益率が薄すぎて巨額の資本支出を賄えず破綻したことを意味する。よって正解は「利益率が小さく巨額の設備投資を賄えず多くが失敗した」である。

  • 「Consumers refused to pay any premium for the produce, leaving the towers empty.」

    = 消費者が割増価格を全く払わず塔が空になった ━ 本文は「the produce commands a premium」と割増需要の存在を認めており、拒否とは述べていない。。

  • 「Governments imposed heavy taxes that made the towers unprofitable to operate.」

    = 政府の重税で運営が不採算になった ━ 本文に税金への言及はなく、原因は資本支出と利益率と説明される。。

  • 「The towers produced far more food than urban markets could ever absorb.」

    = 都市市場が吸収しきれぬほど大量生産した ━ 本文は過剰供給ではなく利益率の薄さを破綻原因として挙げている。。

▦Collocation
パターン意味例
margins too thin薄すぎる利益率The store closed with margins too thin to survive.
service the capital outlay資本支出を賄うRevenue could not service the capital outlay.
a parade of ventures次々と現れる事業A parade of ventures entered the market.
well-capitalised venture潤沢な資本の事業Even well-capitalised ventures folded.
formidable capital outlay巨額の設備投資The plant demanded a formidable capital outlay.
❝例文

  • The airline folded because its margins were too thin.

    その航空会社は利益率が薄すぎて破綻した。

  • Revenue must service the capital outlay of the factory.

    収益は工場の設備投資を賄わねばならない。

  • A parade of startups failed in the same sector.

    同分野で次々とスタートアップが破綻した。

  • The project required a formidable capital outlay upfront.

    その事業は当初に巨額の設備投資を要した。

💡Tip · 覚えるコツ

to service a debt/outlay は「(借金・投資)を返済・賄う」の意。financial register の頻出表現で、誤答の税金・過剰生産は本文に根拠がない点で見抜ける。

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