シャドーイング練習: Cambridge IELTS 10. Test 2. Listening Section 3 - 動画で英語スピーキングを学ぶ
レッスンを作成中...
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Section 3.
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You will hear two anthropology students called Victor and Olivia discussing their joint presentation about a Norwegian explorer called Tor Heyerdahl.
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First, you have some time to look at questions 21 to 24.
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Now listen carefully and answer questions 21 to 24.
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Right, well, for our presentation, shall I start with the early life of Tor Heyerdahl?
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Sure.
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Why don't you begin with describing the type of boy he was, especially his passion for collecting things?
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That's right.
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He had his own little museum.
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And I think it's unusual for children to develop their own values and not join in their parents' hobbies.
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I'm thinking of how Hayerdahl wouldn't go hunting with his dad, for example.
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Yeah, he preferred to learn about nature by listening to his mother read to him.
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And quite early on, he knew he wanted to become an explorer when he grew up.
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That came from his camping trips he went on in Norway, I think.
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No, it was climbing that he spent his time on as a young man.
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Oh, right.
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After university, he married a classmate,
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and together they decided to experience living on a small island to find out how harsh weather conditions shaped people's lifestyles.
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As part of their preparation, before they left home, they learnt basic survival skills, like building a shelter.
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I guess they needed that knowledge in order to live wild in a remote location with few inhabitants, cut off by the sea, which is what they were aiming to do.
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An important part of your talk should be the radical theory Hayard Al formed from examining mysterious ancient carvings
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that he happened to find on the island.
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I think you should finish with that.
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Okay.
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Before you hear the rest of the discussion, you have some time to look at questions 25-30.
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Thank you.
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All right, Victor, so after your part, I'll talk about Tor Haidahl's adult life, continuing from the theory he had about Polynesian migration.
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Up until that time, of course, academics had believed that humans first migrated to the islands in Polynesia from Asia in the West.
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Yes, they thought that travel from the east was impossible
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because of the huge empty stretch of ocean that lies between the islands and the nearest inhabited land.
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Yes, but Hayardal spent ages studying the cloud movements, ocean currents and wind patterns to find if it was actually possible.
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And another argument was that there was no tradition of large shipbuilding in the communities lying to the east of Polynesia.
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But Hayardal knew they made lots of coastal voyages in locally built canoes.
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Yes, or sailing on rafts, as was shown by the long voyage that Hayerdal did next.
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It was an incredibly risky journey to undertake.
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Sometimes I wonder if he did that trip for private reasons, you know, to show others that he could have spectacular adventures.
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What do you think, Olivia?
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Well, I think it was more a matter of simply trying out his idea, to see if migration from the East was possible.
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Yes, that's probably it.
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And the poor guy suffered a bit at that time because the war forced him to stop his work for some years.
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Yes.
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When he got started again and planned his epic voyage, do you think it was important to him that he achieve it before anyone else did?
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Um, I haven't read anywhere that that was his motivation.
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The most important factor seems to have been that he used only ancient techniques and local materials to build his raft.
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Yes.
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I wonder how fast it went.
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Well, it took them 97 days from South America to the Pacific Islands.
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Mmm.
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And after that, Haidtel went to Easter Island, didn't he?
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We should mention the purpose of that trip.
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I think he sailed there in a boat made out of reeds.
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No, that was later on in Egypt, Olivia.
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Oh yes, that's right.
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But what he wanted to do was talk to the local people about their old stone carvings, and then make one himself to learn more about the process.
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I see.
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Well, what a great life.
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Even though many of his theories have been disproven, he certainly left a lasting impression on many disciplines, didn't he?
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To my mind, he was the first person to establish what modern academics call practical archaeology.
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I mean, that they try to recreate something from the past today, like he did with his raft trip.
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It's unfortunate that his ideas about where Polynesians originated from have been completely discredited.
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Yes.
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Right, well, I'll prepare a PowerPoint slide at the end that acknowledges our sources.
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I mainly used The Life and Work of Thor Heyerdahl by William Oliver.
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I thought the research methods he used were very sound, although I must say I found the overall tone somewhat old-fashioned.
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I think they need to do a new, revised edition.
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Yeah, I agree.
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What about the subject matter?
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I found it really challenging.
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Well, it's a complex issue.
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I thought the book had lots of good points.
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What did you think of the illustration?
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That is the end of Section 3.
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You now have half a minute to check your answers.
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Now turn to section 4.
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このレッスンの語彙とスピーキングのポイント
このB2レベルのスピーキングレッスンは、動画「Cambridge IELTS 10. Test 2. Listening Section 3」を教材にしています。 繰り返し出てくる語は次のとおりです：island, trip, Heyerdahl, raft, Tor。 この動画には、シャドーイング用の文が74文、単語が869語あります。 音声の長さは7:24です。 話す速さは1分あたり約117語で安定しており、シャドーイングしやすいペースです。 単語の82%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。
この動画の重要語彙
動画の中で特に難しい単語15語を、発音と意味つきで紹介します。
| 単語 | 発音 | 意味 |
|---|---|---|
| raft 名詞 | /ɹæft/ | いかだ, ラフト |
| voyage 名詞 | /ˈvɔɪ.ɪd͡ʒ/ | 航海, 旅 |
| carving 名詞 | /ˈkɑɹvɪŋ/ | 彫刻 |
| explorer 名詞 | /ɛkˈsplɔːɹə(ɹ)/ | 探検家 |
| sail 名詞 | /seɪl/ | 帆 |
| migration 名詞 | /maɪˈɡɹeɪʃ(ə)n/ | 移住 |
| classmate 名詞 | /ˈklæs.meɪt/ | 同級生, 級友 |
| discredit 動詞 | /dɪsˈkɹɛd.ɪt/ | 信用を落とす, 信用を傷つける |
| disprove 動詞 | /dɪsˈpɹuv/ | 反駁する |
| inhabitant 名詞 | /ɪnˈhæb.ɪ.tənt/ | 居住者, 住民 |
| revise 動詞 | /ɹɪˈvaɪz/ | 改正する, 改める |
| shipbuilding 名詞 | 造船 | |
| canoe 名詞 | /kəˈnuː/ | カヌー |
| archaeology 名詞 | /ˌɑɹ.kiˈɑ.lə.d͡ʒi/ | 考古学 |
| anthropology 名詞 | /ˌænθɹəˈpɑləd͡ʒi/ | 人類学 |
動画に出てくる句動詞
| 単語 | 発音 | 意味 |
|---|---|---|
| cut off 動詞 | /ˌkʌt ˈɔf/ [ˌkɐɾ ˈɔf] | 断つ |
| find out 動詞 | 見出す, 調べる | |
| grow up 動詞 | 成長する, 大人に成る | |
| try out 動詞 | 試す, 試してみる |
注意したい発音
話し手はdidn't, I'll, don'tなど、短縮形や弱形を8回使っています。聞こえたとおりの短い形で発音しましょう。
- 「sh」と「zh」の音: migration /maɪˈɡɹeɪʃ(ə)n/, illustration /ˌɪləsˈtɹeɪ̯ʃən/, harsh /ˈhɑɹʃ/
- 長い単語（アクセントの位置に注意）: inhabitant /ɪnˈhæb.ɪ.tənt/, originate /əˈɹɪd͡ʒɪneɪt/, inhabited /ɪnˈhæbɪtɪd/, archaeology /ˌɑɹ.kiˈɑ.lə.d͡ʒi/, anthropology /ˌænθɹəˈpɑləd͡ʒi/
日本語話者が苦手な音：
- /r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: explorer /ɛkˈsplɔːɹə(ɹ)/, archaeology /ˌɑɹ.kiˈɑ.lə.d͡ʒi/, anthropology /ˌænθɹəˈpɑləd͡ʒi/, illustration /ˌɪləsˈtɹeɪ̯ʃən/
- /v/ — /b/ にならないように、上の歯を下唇に当てる: voyage /ˈvɔɪ.ɪd͡ʒ/, carving /ˈkɑɹvɪŋ/, disprove /dɪsˈpɹuv/, revise /ɹɪˈvaɪz/
- /f/ — 「フ」ではなく、上の歯と下唇で出す: raft /ɹæft/, unfortunate /ʌnˈfɔː.t͡ʃə.nɪt/
この動画での練習方法
- まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
- 通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
- 自分の声を録音して元の音声と比べます。raft, voyage, carvingなどの単語に特に注意しましょう。
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。