シャドーイング練習: Science in the future: Đề thi IELTS LISTENING (actual test) - 動画で英語スピーキングを学ぶ
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In this final lecture of our course on the history of science,
科学史コースの最終講義では、
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I would like to look to the future and tell you about some predictions that have been made about scientific developments.
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The content for my talk is based on some research in
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which 30 scientific leaders were invited to comment on the developments
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that they envisage as likely to come about in their own discipline within 50 years.
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After summarizing some of their most interesting contributions for you,
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I'll ask you to give me your opinions as to the likelihood of these changes occurring within this timescale.
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You may also like to suggest some other likely changes yourselves.
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So first, let's start with computer science, as this is clearly an area where there are bound to be dramatic developments,
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and even more significantly, perhaps, these developments are likely to impact on every other field of learning.
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The invention of computers represents an enormous leap forward in the field of human endeavor.
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It could indeed be considered as being as momentous a development as
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when our predecessors in caves first learned to make fire and use it for all sorts of purposes.
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In the future, the computational revolution is certain to be generally recognized as a transformation as significant as,
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say, the Industrial Revolution.
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The computer scientists in the study I referred to felt that in the coming decades,
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lives will be significantly enhanced by automated reasoning systems of different types.
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There was considerable agreement that people will increasingly perceive these computer systems as intelligent.
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Although many of these will be deployed behind the scenes, others will be in the foreground,
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serving in an elegant, often collaborative manner to help people do their jobs,
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to learn and teach, to reflect and remember, to plan and decide.
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Without going into further detail about this at this point, let's turn to what predictions psychologists had to make.
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their key point was
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that psychological research would inevitably become increasingly varied it would move into such areas as behavioral economics
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and social neuroscience there is likely to be further expansion into
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domains with more practical relevance as increasing numbers of women become research scientists
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so areas such as health environment family and social identity will receive more attention.
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At the same time as they broaden their horizons,
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psychologists will also intensify their search to discover what exactly determines how we act.
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They will be assisted in this by imaging devices
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that will be inserted into the brain and provide a great deal of information about how it behaves.
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There should be some fascinating discoveries coming to light very soon.
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Another field that is currently undergoing enormous changes is that of genetics.
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It is not new to suggest that average life expectancy is likely to continue rising in most countries.
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However, today geneticists emphasize that it is vital
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that the increasing number of the elderly in society must take quality of life into account.
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So, how will genetics help this to happen?
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To start with, they hope to develop technologies that can sequence each person's genome extremely cheaply.
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This information about our DNA enables healthcare providers to predict our likelihood of suffering from any particular disease.
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From there on, it is a matter of weighing up various factors with a
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view to determining what can be done to minimize each individual's level of risk.
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With such information in hand, new treatments will be developed,
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and the current one-size-fits-all approach to health care will give way to a more personal approach.
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The final subject area that I wish to bring to your attention is that of zoology.
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Once again, computers and technology have a key role to play here.
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Experts comment specifically on the importance of satellites for future developments in this field.
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These enable people to explore the world from their homes, offices, and schools.
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It is now possible, for instance, to go online and see for yourself the abundant wildlife in one part of East Africa, and in the surrounding region,
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the harm people have done by destroying the forests.
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All supposedly in the name of development.
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Zoologists believe the breakthrough that lies ahead is how people act on such information as this.
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They hope that we will learn to connect our minds to our hearts and apply this knowledge to help protect our planet.
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They express a clear hope
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that a greater understanding of the consequences of human short-sightedness will
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make people anxious to rectify what we can before it is too late.
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That is the end of Part 4.
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Thank you.
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Thank you.
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Thank you.
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Thank you.
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Thank you.
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Thank you.
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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
この動画には、シャドーイング用の文が62文、単語が771語あります。 音声の長さは8:19です。 話す速さはゆっくりで、1分あたり約93語です。一つ一つの音をまねる余裕があります。 単語の84%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
動画に出てくるやや難しい単語15語を、発音と意味つきで紹介します。
- enormous /ɪˈnɔː.məs/ (形容詞) — 巨大な. Extremely large; greatly exceeding the common size, extent, etc.
- scientist /ˈsaɪəntəst/ (名詞) — 科学者. One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
- prediction /pɹɪˈdɪkʃən/ (名詞) — 予言, 予測. A statement of what will happen in the future.
- likelihood /ˈlaɪklihʊd/ (名詞) — 可能性. The probability of a specified outcome; the chance of something happening; probability; the state or degree of being probable.
- genetics /dʒəˈnɛt.ɪks/ (名詞) — 遺伝学. The branch of biology that deals with the transmission and variation of inherited characteristics, in particular chromosomes and DNA.
- psychologist /ˌsaɪˈkɑl.ə.d͡ʒɪst/ (名詞) — 心理学者. An expert in the field of psychology.
- practical /ˈpɹæk.tɪ.kəl/ (形容詞) — 実践的な. Relating to, or based on, practice or action rather than theory or hypothesis.
- occur /əˈkɜː/ (動詞) — 起こる, 起る. To happen or take place.
- discovery /dɪˈskʌv.ɹi/ (名詞) — 発見. Something discovered.
- refer /ɹɪˈfɜː/ (動詞) — 問い合わせる. To direct the attention of (someone toward something).
- suffer /ˈsʌfɚ/ (動詞) — 被る. To undergo hardship.
- assist /əˈsɪst/ (動詞) — 手伝う. To help.
- economics /ˌiːkəˈnɒmɪks/ (名詞) — 経済学. The study of resource and wealth allocation, consumption, and distribution, of capital and investment, and of management of the factors of production.
- dramatic /dɹəˈmætɪk/ (形容詞) — 劇的, ドラマティック. Of or relating to the drama.
- discover /dɪˈskʌvə/ (動詞) — 発見する, 見つける. To find or learn something for the first time.
動画に出てくる句動詞
- weigh up (動詞) — 評価する. To assess a person or a situation.
注意したい発音
- 「sh」と「zh」の音: prediction /pɹɪˈdɪkʃən/, contribution /ˌkɑntɹɪˈbjuʃən/, transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, anxious /ˈæŋkʃəs/, invention /ɪnˈvɛnʃən/
- 長い単語（アクセントの位置に注意）: psychologist /ˌsaɪˈkɑl.ə.d͡ʒɪst/, economics /ˌiːkəˈnɒmɪks/, contribution /ˌkɑntɹɪˈbjuʃən/, intelligent /ɪnˈtɛlɪd͡ʒənt/, psychological /ˌsaɪ.kəˈlɑː.d͡ʒɪ.kl̩/
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。enormous, scientist, predictionなどの単語に特に注意しましょう。
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる | have been made · is based · were invited |
| 現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している | have been made · have done |
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。