EigoPro 1級 読解 — The Anthropocene: Stratigraphy or Self-Portrait?

Few neologisms have migrated from the seminar room to the editorial page as swiftly as the Anthropocene, the proposed epoch in which humanity has allegedly become a geological force. Its appeal is undeniable: it compresses a sprawling indictment of industrial civilisation into a single resonant word. Yet the very fluency with which the term circulates ought to give us pause, for the criteria that govern stratigraphic nomenclature are exactingly literal. To ratify a new epoch, geologists require a golden spike—a discrete horizon in the rock record so sharply demarcated that it will remain legible millions of years hence. The candidates proffered, from the radioactive fallout of mid-century weapons tests to the diffuse smear of plastic now settling on the seabed, are real enough; whether any of them constitutes the crisp, globally synchronous signature that stratigraphic convention demands is precisely what divides the discipline, and the dispute shows no sign of easy resolution. The rift, however, is not merely technical, nor can it be settled by sharper instruments alone. To christen an epoch after ourselves is to perform an act of self-portraiture masquerading as dispassionate measurement. Critics contend that the label flatters even as it accuses, conferring upon a fractious species a spurious unity, as though the Bangladeshi subsistence farmer and the petrochemical magnate bore equal authorship of the strata. This conflation, they warn, quietly launders structural inequity into a generic, undifferentiated humanity, dissolving particular culpability into the very grandeur of the diagnosis. And here lies the term's most insidious effect. By inscribing human impact into the immutable ledger of deep time, the Anthropocene can paradoxically anaesthetise the urgency it purports to awaken. If our footprint is already fossilised, already epochal, then remediation may seem quixotic—a rearguard action against geology itself. The narrative that was meant to galvanise instead invites a fatalistic shrug. Whether the concept ultimately sharpens responsibility or sedates it depends less on the rocks than on the stories we drape over them, and on our willingness to resist the consolations of so capacious a word.

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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?

  • The principal flaw of the Anthropocene is that it underestimates the severity of industrial pollution recorded in the strata.
  • The Anthropocene is rhetorically powerful but scientifically and ethically contested, and its framing may dull rather than sharpen our sense of responsibility.
  • The term should be abandoned entirely because no human activity has left any measurable trace in the rock record.
  • Geologists have now reached firm consensus that a golden spike exists, so the Anthropocene should be formally ratified without delay.
Phrase

depends less on the rocks than on the stories we drape over them

1級読解主旨把握論旨
⚡ひとことで

筆者は概念の魅力と危うさの両面を論じている。

選択肢の解説Choice Analysis

「The Anthropocene is rhetorically powerful but scientifically and ethically contested, and its framing may dull rather than sharpen our sense of responsibility.」

正解

筆者は冒頭で語の「resonant」な魅力を認めつつ、stratigraphic 基準・倫理的均質化・責任感の麻痺という三層の批判を重ねる。結論部の「depends less on the rocks than on the stories we drape over them」が、科学より語りの問題だという主旨を端的に示す。よって魅力と論争性・責任への逆効果を統合した選択肢が最適。

  • 「Geologists have now reached firm consensus that a golden spike exists, so the Anthropocene should be formally ratified without delay.」

    = golden spike が確定し即時批准すべきとする ━ 本文は基準充足が「precisely what divides the discipline」と分裂を強調しており、合意には達していない。。

  • 「The principal flaw of the Anthropocene is that it underestimates the severity of industrial pollution recorded in the strata.」

    = 汚染の深刻さを軽視している点が問題だとする ━ 筆者の懸念は深刻さの過小評価ではなく、責任を麻痺させ均質化する修辞効果にある。。

  • 「The term should be abandoned entirely because no human activity has left any measurable trace in the rock record.」

    = 人類の痕跡が皆無ゆえ語を捨てよとする ━ 本文は fallout やプラスチックの痕跡を「real enough」と認めており、痕跡皆無とは言っていない。。

▦Collocation
パターン意味例
capture the central argument中心的論旨を捉えるSummarise the essay and capture the central argument in one sentence.
reach consensus合意に達するThe committee failed to reach consensus on the epoch's boundary.
sense of responsibility責任感A good education nurtures a deep sense of responsibility.
sharpen vs. dull研ぎ澄ます対鈍らせるThe image was meant to sharpen, not dull, public concern.
contested concept論争的な概念Sovereignty remains a fiercely contested concept in law.
❝例文

  • The term is rhetorically powerful yet scientifically contested.

    その語は修辞的に強力だが科学的には論争がある。

  • Her thesis sharpens our sense of moral responsibility.

    彼女の論文は道徳的責任感を研ぎ澄ます。

  • A seductive narrative can dull the very urgency it invokes.

    魅惑的な物語は喚起したはずの切迫感を鈍らせ得る。

  • Framing shapes how we assign culpability.

    枠組みが責任の所在の捉え方を左右する。

💡Tip · 覚えるコツ

主旨設問では冒頭の魅力提示と結論の留保を両端で押さえ、片側だけを誇張した選択肢を切る。

問 2

According to the passage, what do geologists specifically require to ratify a new epoch?

  • A continuous, gradually thickening layer of plastic spanning every continent.
  • A unanimous vote among the world's leading climate scientists and policymakers.
  • Evidence that a single human population caused the recorded change.
  • A golden spike—a sharply demarcated horizon in the rock that will remain legible far into the future.
Phrase

a golden spike—a discrete horizon in the rock record so sharply demarcated

1級読解詳細把握
⚡ひとことで

批准には明瞭に区切られた地層の境界が要る。

選択肢の解説Choice Analysis

「A golden spike—a sharply demarcated horizon in the rock that will remain legible far into the future.」

正解

第1段で「To ratify a new epoch, geologists require a golden spike—a discrete horizon in the rock record so sharply demarcated that it will remain legible millions of years hence」と明記される。要点は「discrete」「sharply demarcated」「legible millions of years hence」。よって明瞭に区切られ将来も判読可能な地層境界が正解。

  • 「A unanimous vote among the world's leading climate scientists and government policymakers.」

    = 気候学者と政策担当者の満場一致の投票 ━ 本文が求めるのは投票ではなく rock record 中の物理的指標であり、合意は別問題。。

  • 「A continuous, gradually thickening layer of plastic spanning every continent.」

    = 全大陸に漸増するプラスチック層 ━ 本文はプラスチックを「diffuse smear」と呼び、求められる「discrete/sharply demarcated」とは逆である。。

  • 「Evidence that a single human population caused the recorded change.」

    = ある一集団が変化を引き起こした証拠 ━ これは倫理批判の文脈であり、批准の地層基準とは無関係。。

▦Collocation
パターン意味例
ratify an epoch時代区分を批准するStratigraphers debated whether to ratify the new epoch.
golden spike金の杭(基準点)The golden spike marks the base of a geological stage.
remain legible判読可能なままThe inscription must remain legible for centuries.
rock record岩石記録Mass extinctions leave scars in the rock record.
sharply demarcated明瞭に区切られたEach stratum was sharply demarcated from the next.
❝例文

  • A golden spike marks a precise boundary in the strata.

    金の杭は地層中の明確な境界を示す。

  • The signal must remain legible millions of years hence.

    その痕跡は数百万年後も判読可能でなければならない。

  • Ratifying an epoch demands a discrete horizon.

    時代区分の批准には明瞭な境界面が要る。

  • Diffuse evidence rarely satisfies stratigraphers.

    拡散した証拠は層序学者を満足させにくい。

💡Tip · 覚えるコツ

詳細設問は本文の定義文(ダッシュ後の言い換え)をそのまま照合し、形容詞の方向(discrete↔diffuse)を見極める。

問 3

Why do critics object to naming the epoch after humanity as a whole?

  • It implies that only industrial magnates, not farmers, shaped the geological record.
  • It gives too much scientific credit to ordinary citizens who never burned fossil fuels.
  • It exaggerates the differences between rich and poor nations and so deepens political conflict.
  • It confers a false unity on a divided species, equating those with vastly different responsibility for the damage.
Phrase

conferring upon a fractious species a spurious unity

1級読解詳細把握
⚡ひとことで

均質な「人類」が責任の格差を覆い隠す点を批判。

選択肢の解説Choice Analysis

「It confers a false unity on a divided species, equating those with vastly different responsibility for the damage.」

正解

第2段で批判者は「conferring upon a fractious species a spurious unity」と述べ、「the Bangladeshi farmer and the petrochemical magnate bore equal authorship」という不当な等価化を問題視する。「launders structural inequity into a generic humanity」が核心で、責任格差の隠蔽が論点。よって分裂した種に偽りの統一を与え責任差を等価化する選択肢が正解。

  • 「It exaggerates the differences between the rich and poor nations and so deepens political conflict.」

    = 貧富の差を誇張し対立を深めるとする ━ 批判はむしろ差を消す「均質化」への抗議であり、誇張ではない。。

  • 「It gives too much scientific credit to ordinary citizens who never burned fossil fuels.」

    = 化石燃料を焚かぬ市民に科学的功績を与えすぎ ━ 論点は功績配分ではなく責任(culpability)の希薄化である。。

  • 「It implies that only industrial magnates, not farmers, shaped the geological record.」

    = 農民でなく権力者だけが地層を形作るとする ━ 本文は両者を equal authorship として並べており、一方のみとは言っていない。。

▦Collocation
パターン意味例
confer unity on統一性を付与するThe flag confers a symbolic unity on the nation.
spurious unity偽りの統一Nationalism often rests on a spurious unity.
launder inequity不公正を体裁よく覆い隠すThe slogan launders inequity into shared sacrifice.
bear authorship作り手の責任を負うNo one wished to bear authorship of the failure.
structural inequity構造的不公正Reform must address structural inequity, not symptoms.
❝例文

  • A generic 'humanity' can mask unequal culpability.

    総称的な「人類」は不均等な責任を覆い隠し得る。

  • The label confers a spurious unity on a fractious species.

    その呼称は分裂した種に偽りの統一を与える。

  • Equating the farmer and the magnate distorts blame.

    農民と富豪を同一視すると責任が歪む。

  • Structural inequity dissolves into vague collective guilt.

    構造的不公正が漠たる集団的罪に溶けてしまう。

💡Tip · 覚えるコツ

批判の論点は「誰の責任か」。等価化(equal authorship)を見抜き、差を『誇張』とする逆向きの選択肢を排除する。

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