背景知識
Lexical Resource（語彙力）評価について
IELTSのWritingとSpeakingは4軸で採点されます。LR（Lexical Resource）= 語彙力は25%を占めます。Band 6以上には「同じ単語の繰り返しを避け、コロケーション（語の自然な組み合わせ）を使いこなす」ことが必要です。
⚠ 単語を単独で覚えるだけでは不十分。コロケーション（自然な語の組み合わせ）を暗記することが重要。
例: conduct research（○）/ make a research（✗）
例: conduct research（○）/ make a research（✗）
Part A: コロケーション / 選択問題
Q1Researchers need to ( conduct / do / make / take ) a thorough investigation.
Q2The government should ( raise / rise / grow / lift ) awareness about recycling.
Q3The study ( draws / pulls / takes / makes ) a clear distinction between correlation and causation.
Q4Urban development has had a significant ( affect / effect / impact / result ) on biodiversity.
Q5We must take ( into / in / on / for ) account the long-term consequences.
Part B: エラー訂正問題
Q6The economy grew rapidly. ( However / Furthermore / Therefore ), unemployment rates also increased.
Q7Air pollution is a serious health concern. ( Consequently / Nevertheless / In addition ), many cities have implemented emission controls.
Q8( Although / Despite / Because of ) the high cost of renewable energy, many countries are investing in it.
Q9The experiment was repeated three times. ( As a result / For instance / In contrast ), the researchers were confident.
Q10Some argue that technology improves quality of life. ( On the other hand / Moreover / Therefore ), others believe it increases stress.
Part C: 語彙・文脈問題
Q11The lack of affordable housing effect the quality of life.
Q12Research suggests that exercise has a number of beneficials effects.
Q13According to my opinion, technology has changed how we communicate.
Q14Scientists are conducting research for the effects of microplastics.
Q15The study proofs that a healthy diet can reduce disease risk.
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/ 15 問正解
Band —
解説
A Q1 conduct an investigation
"conduct an investigation" が最も学術的なコロケーション
A Q2 raise awareness
"raise awareness" = 意識を高める（固定表現）
A Q3 draw a distinction
"draw a distinction" = 区別をつける
C Q4 significant impact
"have a significant impact on" が現代的で自然
A Q5 take into account
"take into account" = 〜を考慮する（固定表現）
A Q6 However（逆接）
前半（経済成長）と後半（失業増加）は逆接の関係
A Q7 Consequently（因果）
前半（大気汚染）→ 後半（規制実施）は因果
B Q8 Despite + 名詞句
"Despite" の後には名詞または動名詞。"Although" + 主語＋動詞
A Q9 As a result（因果）
前半（3回繰り返した）→ 後半（自信を持てた）は因果
A Q10 On the other hand（対比）
両論を提示する対比の接続表現
A Q11 effect→affects
"effect"（名詞）の動詞形は "affect"
B Q12 beneficials→beneficial
"beneficial" は形容詞。名詞は "benefits"
B Q13 According to→In（my opinion）
"According to" は第三者の情報源に使う。自分の意見には "In my opinion"
B Q14 for→into（research into）
"research into" が正しいコロケーション
B Q15 proofs→proves
"proof" は名詞。動詞は "prove"（三単現: proves）
語彙フラッシュカード
カードをクリックして意味を確認 ▼
conduct an investigation
動詞句
調査を実施する
They conducted a thorough investigation.
raise awareness
動詞句
意識を高める
The campaign aims to raise awareness.
draw a distinction
動詞句
区別をつける
It is important to draw a distinction between X and Y.
take into account
動詞句
〜を考慮する
We must take the environment into account.
in line with
前置詞句
〜と一致して
The results are in line with our hypothesis.
有用表現
conduct an investigationraise awarenessdraw a distinctionhave an impacttake into accountin line withmeet oppositionConsequentlyNeverthelessIn addition
よくある日本人のミス
| ミス | 原因 | 正しい書き方 |
|---|---|---|
| effect を動詞として使う | 名詞と動詞を混同 | 動詞は affect / 名詞は effect |
| According to my opinion | 直訳的発想 | In my opinion / From my perspective |
| despite の後に節 | 前置詞と接続詞の区別不足 | despite + 名詞 / although + 節 |
| research for | 日本語の「〜の研究」から | research into / research on |
| beneficials と名詞化 | 品詞の変換ミス | beneficial（形容詞のまま） |
自己評価
/ 15問
分
次回予告：Day 031 — Writing Task 1（折れ線グラフ）