背景知識
今日は Writing Task 2（Two-part Question Essay） の練習です。テーマは Packaging Waste（包装ゴミの増加）。これまで練習してきた Opinion Essay（賛成/反対）、Discussion Essay（両論+意見）、Advantage-Disadvantage Essay（利点欠点）とは異なり、この形式では設問自体が 2つの直接的な質問 で構成されています。
1. Two-part Question Essay の構成（Introduction で2部構成を予告 → Body 1 = 質問1 → Body 2 = 質問2 → Conclusion で両方を要約）
2. 語数バランス — 2つの質問にほぼ同じ分量で答える
3. Band 6.0 必須語彙（landfill / microplastics / extended producer responsibility / deposit-return scheme など）
Band Descriptor（評価軸）
| 評価軸 | 内容 | Band 6.0 に必要なこと |
|---|---|---|
| TR | Task Response — 課題への正確な応答 | 2つの質問の両方に十分な分量で答える |
| CC | Coherence & Cohesion — 論理的流れ | Body 1 = 質問1、Body 2 = 質問2 と明確に分離する |
| LR | Lexical Resource — 語彙の豊富さ | トピック特有の語彙（環境・社会問題系）を正確に使う |
| GRA | Grammatical Range & Accuracy | 関係詞節・分詞構文などで文を引き締める |
設問パターンの例
| 質問1 | 質問2 |
|---|---|
| What problems does this cause? | What measures could be taken to solve them? |
| What are the causes of this trend? | What effects does it have on society? |
| Why is this happening? | What can be done about it? |
• 質問1（問題点）だけ長く書き、質問2（解決策）が数行で終わる → TRスコア低下
• 「賛否」や「両論併記」だと勘違いし、Discussion Essayのように書いてしまう → TRスコア低下
• 抽象的な一般論のみで具体例がない → LR・TRスコア低下
問題
In many countries, the amount of packaging waste, particularly single-use plastic packaging, generated by households and businesses is increasing rapidly.
What problems does this cause? What measures could be taken to reduce packaging waste?Give reasons for your answer and include any relevant examples from your own knowledge or experience.
Task Type: Two-part Question Essay（問題点 + 解決策）
構成ガイド
Band 5.5 → "There are many problems and many solutions."（抽象的で具体性なし・語数の偏り）
Band 6.0 → "In conclusion, although the growth of packaging waste poses serious environmental and health risks, a combination of stricter regulation, financial incentives, and greater consumer awareness could substantially mitigate the problem."
有用な語彙・表現
| 語彙・表現 | 日本語訳 | 使用例 |
|---|---|---|
| packaging waste | 包装ゴミ | Packaging waste has increased dramatically due to online shopping. |
| single-use plastics | 使い捨てプラスチック | Single-use plastics are a major contributor to marine pollution. |
| landfill | 埋立地 | Much of this waste ends up in landfill sites. |
| incineration | 焼却 | Incineration releases harmful pollutants into the atmosphere. |
| microplastics | マイクロプラスチック | Plastic breaks down into microplastics that enter the food chain. |
| extended producer responsibility | 拡大生産者責任 | Extended producer responsibility obliges manufacturers to reduce excess packaging. |
| deposit-return scheme | デポジット返却制度 | Deposit-return schemes have boosted recycling rates significantly. |
| biodegradable | 生分解性の | Companies are switching to biodegradable packaging materials. |
| curb / mitigate | 抑制する・緩和する | Stricter regulation could help curb the growth of packaging waste. |
| refill scheme | 詰め替え制度 | Consumers can support retailers that operate refill schemes. |
接続表現（Two-part Question Essay 頻出）
| 機能 | 表現 | 使い所 |
|---|---|---|
| 2部構成の予告 | This essay will outline... before discussing... | Introduction の締め |
| 問題点の追加 | A further concern is / In addition | Body 1 内で論点を追加するとき |
| 問題→解決策への転換 | Fortunately / To address these issues | Body 2 の冒頭 |
| 制度の説明 | whereby / an approach often referred to as | Body 2 内で解決策を詳述するとき |
| 個人レベルへの転換 | On an individual level | Body 2 内で対策の主体を切り替えるとき |
| 結論（両方の要約） | In conclusion / To summarise | Conclusion の冒頭 |
ヒント
Two-part Question Essayは「賛成/反対」でも「両論併記」でもなく、2つの独立した質問それぞれに順番に十分答えることが目的。
Body 1は質問1（問題点）のみ、Body 2は質問2（解決策）のみに集中させ、どちらかが極端に短くならないよう語数バランスに注意する。片方だけ長く書くとTRスコアが大きく下がる。
質問1（問題点）で使える論点候補:
- 廃棄物処理システムへの負担 → 埋立地の逼迫・分解に長時間かかる
- 環境・生態系への被害 → 海洋汚染・マイクロプラスチックが食物連鎖に混入
- 気候変動への悪影響 → 包装材製造に大量の化石燃料を使用
質問2（解決策）で使える論点候補:
- 法規制・拡大生産者責任 → メーカーに過剰包装の削減や代替素材使用を義務化
- デポジット返却制度 → 容器返却でリファンドを受けられる仕組み（欧州で実績あり）
- 消費者・小売店レベルの取り組み → 過剰包装の少ない商品選択・詰め替え制度の利用・啓発キャンペーン
[Introduction]
"Over the past few decades, the volume of packaging waste generated by households and businesses has risen sharply in many countries. This essay will outline the principal problems associated with this trend before discussing several measures that could help to reduce it."
[Body 1 — 問題点]
"The most immediate problem is the burden placed on waste disposal systems... [具体例: 埋立地] A further concern is the damage inflicted on marine ecosystems... [具体例: マイクロプラスチック]"
[Body 2 — 解決策]
"Fortunately, a range of measures could help to address this issue. Governments could introduce legislation... [具体例: 拡大生産者責任] Deposit-return schemes... On an individual level, consumers can..."
[Conclusion]
"In conclusion, although the growth of packaging waste poses serious environmental and health risks, a combination of stricter regulation, financial incentives, and greater consumer awareness could substantially mitigate the problem."
モデル解答（Band 7.5〜8.0 相当）
Over the past few decades, the volume of packaging waste, particularly single-use plastics, generated by households and businesses has risen sharply in many countries. This essay will outline the principal problems associated with this trend before discussing several measures that governments and consumers could adopt to curb it.
The most immediate problem is the burden placed on waste disposal systems. Much of this packaging ends up in landfill sites, where it can take hundreds of years to decompose, or is incinerated, releasing harmful pollutants into the atmosphere. A further concern is the damage inflicted on marine ecosystems; discarded plastic frequently finds its way into rivers and oceans, where it breaks down into microplastics that are ingested by marine life and, ultimately, enter the human food chain. In addition, the manufacture of packaging materials consumes substantial quantities of fossil fuels, exacerbating the broader problem of climate change.
Fortunately, a range of measures could help to address this issue. Governments could introduce legislation that obliges manufacturers to reduce excessive packaging or to use recyclable and biodegradable materials instead of conventional plastics, an approach often referred to as extended producer responsibility. Deposit-return schemes, whereby consumers receive a small refund for returning containers, have proven remarkably effective at boosting recycling rates in several European countries. On an individual level, consumers can play their part by choosing products with minimal packaging and by supporting retailers that operate refill schemes. Public awareness campaigns highlighting the environmental cost of packaging waste would further reinforce these efforts by encouraging more sustainable consumer habits.
In conclusion, although the growth of packaging waste poses serious environmental and health risks, a combination of stricter regulation, financial incentives, and greater consumer awareness could substantially mitigate the problem.
モデル解答の解説
Introductionで "This essay will outline the principal problems... before discussing several measures..." と2部構成を明確に予告し、Body 1（問題点）とBody 2（解決策）がほぼ同程度の分量（約100語ずつ）で書かれている。それぞれに具体例（landfill/microplastics、extended producer responsibility/deposit-return scheme）を添えて十分に展開している。
チェックポイント: 自分のエッセイで質問1と質問2の語数が極端に偏っていないか確認する。
使用した接続表現（7種類）:
| 表現 | 機能 | 段落 |
|---|---|---|
| This essay will outline... before discussing... | 2部構成の予告 | Introduction |
| A further concern is | 問題点の2つ目を導入 | Body 1 |
| In addition | 問題点の3つ目を導入 | Body 1 |
| Fortunately | 問題点から解決策への転換 | Body 2 |
| whereby | 制度の仕組みを説明 | Body 2 |
| On an individual level | 個人レベルの対策へ転換 | Body 2 |
| In conclusion | 結論を導入 | Conclusion |
参照語の例: "this trend" / "this issue" / "these efforts" で段落間の論理的な流れを維持している。
| 語彙・表現 | 日本語訳 | なぜ高スコアか |
|---|---|---|
| generated by households and businesses | 家庭や企業によって生み出される | "made by" の単調な表現を避けた学術的言い換え |
| exacerbating the broader problem of climate change | 気候変動というより大きな問題を悪化させる | "making worse" のより格調高い言い換え |
| an approach often referred to as extended producer responsibility | 拡大生産者責任と呼ばれるアプローチ | 専門用語を自然に文中へ組み込む技術 |
| boosting recycling rates | リサイクル率を押し上げる | 動詞+名詞の自然なcollocation |
| encouraging more sustainable consumer habits | より持続可能な消費者習慣を促進する | 抽象名詞化された結論表現 |
- 関係副詞 whereby: "Deposit-return schemes, whereby consumers receive a small refund for returning containers, have proven remarkably effective..."
- 分詞構文（結果）: "...or is incinerated, releasing harmful pollutants into the atmosphere"
- セミコロン（追加・詳述）: "...marine ecosystems; discarded plastic frequently finds its way into rivers and oceans, where it breaks down into..."
- 現在分詞による結果節: "Public awareness campaigns highlighting the environmental cost... would further reinforce these efforts by encouraging more sustainable consumer habits"
- 譲歩節（although）: "although the growth of packaging waste poses serious environmental and health risks, a combination of..."
よくある日本人のミス
| ミス | 原因 | 正しい書き方 |
|---|---|---|
| Packaging waste causes many problems. (問題点だけで解決策が数行) | 片方の質問への偏り | Body 1・Body 2 をほぼ同じ語数（90〜100語）に揃える |
| Some people think plastic is bad, but others disagree. | Discussion Essayと混同（両論併記だと誤解） | This essay will outline the principal problems... before discussing several measures... |
| There are many problems and many solutions.（具体性なし） | 具体例の不足 | landfill、microplastics、deposit-return scheme など具体的な語彙・事例を使う |
| People should recycle more.（解決策がこれのみ） | 論点の掘り下げ不足 | 政府・企業・個人という複数のレベルで解決策を分けて提示する |
| I think plastic is bad for environment. | Academic register の理解不足・冠詞の欠落 | This essay will outline the problems associated with the environment. |
次のステップ
次回予告（火曜）: Reading — Summary Completion & Matching Information（環境・持続可能性分野のパッセージ）
自己評価
エッセイを書いた後に記入してください。データはブラウザのローカルストレージに保存されます。
自分の回答（エッセイ全文）:
気づき・メモ: