Prática de Shadowing: TOEFL Listening Practice | Lecture | Thrill-Seeking Gene - Aprenda a falar inglês com vídeo

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1
no guts no glory
2
it's the battle cry of thrill seekers everywhere as they dive off cliffs jump out of planes
3
and ski down avalanche chutes and they do it all just for the rush.
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But where do these daredevils get the guts to risk their lives over and over again?
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Some scientists believe there's something about adventure junkies that's different from the rest of us, something they're born with.
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Could it be that thrill -seeking is literally in their blood?
7
Dr. Julia Farnsworth is here to explore the latest research with us.
8
Dr. Farsworth, welcome to the show.
9
What does the latest research show?
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Is thrill -seeking really inborn?
11
Thanks, Larry.
12
Yes, there is no evidence that thrill -seeking has a strong genetic component.
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Researchers have identified at least two distinct genes that they believe are responsible for thrill -seeking behavior.
14
Both of these genes have to do with the brain chemical called dopamine, the brain's pleasure chemical.
15
Dopamine is the substance that makes your brain feel all warm and wonderful inside.
16
What researchers have found is that the brains of thrill -seekers don't produce and absorb enough dopamine.
17
This prompts them to go the extra mile to get a dopamine fix, and that means charging into high -sensation activities,
18
ones that really make palms sweat and heart rates soar.
19
That's fascinating.
20
Are there any figures about how many people may actually have these genes?
21
Researchers believe that at least 30 % of us carry the thrill -seeking genes, but not everyone who has them,
22
they say, feels the need to jump out of airplanes.
23
For some people, intellectual challenges can provide the same satisfaction,
24
and just having the genes doesn't mean that you will necessarily crave new sensations all the time,
25
which leads critics to argue that the researchers genetic theory is a little too simplistic.
26
But whether flirting with danger is nature, nurture, or a combination of both, there's no question that it can quickly become a deadly habit.
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Hundreds of thrill -seekers a year are killed pursuing a rush.
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Researchers are also exploring whether
29
or not the same genes may play a role in self -destructive adventure -seeking such as drug and alcohol abuse.
30
So where to from here?
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What will scientists do with their newfound knowledge?
32
Well, it's still rather unclear.
33
When I asked one researcher if he thought scientists should come up with a cure for self -destructive adventure -seeking,
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he replied, without thrill -seekers in the world, we wouldn't have any
35
United States of America because Columbus never would have taken off.
36
We never would have put a man on the moon, and we wouldn't have Wall Street.
37
I don't think we want to get into the business of treating core personality traits unless they're really harmful to the person.
38
So, at least for the moment, listeners, it appears that there's no new wonder drug on the way to take away the urge for adventure,
39
nor will a blood test be available anytime soon to find out whether you have the thrill -seeker genes.
40
But there is good news in store for those of you who are couch potatoes.
41
Scientists say they may also have discovered the gene for laziness.
42
What is the main idea of the segment?
43
What is true of thrill -seekers and the levels of dopamine in their brains?
44
According to scientists, how many people carry the genes for thrill -seeking?
45
What is true about people who have the thrill -seeking genes?
46
Why does the speaker mention
47
Columbus, Wall Street, and putting a man on the moon?
48
no guts no glory
49
it's the battle cry of thrill seekers everywhere as they dive off cliffs jump out of planes and ski down avalanche chutes.
50
And they do it all just for the rush.
51
But where do these daredevils get the guts to risk their lives over and over again?
52
Some scientists believe there's something about adventure junkies that's different from the rest of us, something they're born with.
53
Could it be that thrill -seeking is literally in their blood?
54
Dr. Julia Farnsworth is here to explore the latest research with us.
55
Dr. Farsworth, welcome to the show.
56
What does the latest research show?
57
Is thrill -seeking really inborn?
58
Thanks, Larry.
59
Yes, there is no evidence that thrill -seeking has a strong genetic component.
60
Researchers have identified at least two distinct genes that they believe are responsible for thrill -seeking behavior.
61
Both of these genes have to do with the brain chemical called dopamine, the brain's pleasure chemical.
62
Dopamine is the substance that makes your brain feel all warm and wonderful inside.
63
What researchers have found is that the brains of thrill -seekers don't produce and absorb enough dopamine.
64
This prompts them to go the extra mile to get a dopamine fix, and that means charging into high -sensation activities,
65
ones that really make palms sweat and heart rates soar.
66
That's fascinating.
67
Are there any figures about how many people may actually have these genes?
68
Researchers believe that at least 30 % of us carry the thrill -seeking genes, but not everyone who has them,
69
they say, feels the need to jump out of airplanes.
70
For some people, intellectual challenges can provide the same satisfaction
71
and just having the genes doesn't mean
72
that you will necessarily crave new sensations all the time
73
which leads critics to argue that the researcher's genetic theory is a little too simplistic
74
but whether flirting with danger is nature nurture
75
or a combination of both there's no question
76
that it can quickly become a deadly habit hundreds of thrill seekers a year are killed pursuing a rush
77
Researchers are also exploring whether or not the same genes may play a role in self -destructive adventure -seeking, such as drug and alcohol abuse.
78
So where to from here?
79
What will scientists do with their newfound knowledge?
80
Well, it's still rather unclear.
81
When I asked one researcher if he thought scientists should come up with a cure for self -destructive adventure -seeking,
82
he replied, Without thrill -seekers in the world, we wouldn't have any
83
United States of America, because Columbus never would have taken off.
84
We never would have put a man on the moon, and we wouldn't have Wall Street.
85
I don't think we want to get into the business of treating core personality traits unless they're really harmful to the person.
86
So, at least for the moment, listeners, it appears
87
that there's no new wonder drug on the way to take
88
away the urge for adventure nor will a blood test be
89
available anytime soon to find out whether you have the thrill -seeker genes.
90
But there is good news in store for those of you who are couch potatoes.
91
Scientists say they may also have discovered the gene for laziness.
92
What is the main idea of the segment?
93
What is true of thrill -seekers and the levels of dopamine in their brains?
94
According to scientists, how many people carry the genes for thrill -seeking?
95
What is true about people who have the thrill -seeking genes?
96
Why does the speaker mention
97
Columbus, Wall Street, and putting a man on the moon?
98
Thank you.

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Pronúncia com IANota em cada frase
Prática de IPADomine cada som
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Vídeo recomendado

Vocabulário e dicas de fala para esta lição

Esta aula de conversação usa o vídeo “TOEFL Listening Practice”. As palavras que mais se repetem: thrill, gene, seeking, seeker, researcher. Este vídeo tem 98 frases e 1192 palavras para praticar shadowing. A fala dura 9:23. O falante mantém um ritmo estável de cerca de 127 palavras por minuto, confortável para o shadowing. Apenas 79% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente. 24 das 98 frases são perguntas, por isso é um bom treino para a entonação de perguntas e respostas curtas.

Vocabulário principal deste vídeo

15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:

PalavraPronúnciaSignificado
thrill verbo/θɹɪl/emocionar, excitar
gene substantivo/d͡ʒiːn/gene
researcher substantivo/ˈɹiˌsɝ.t͡ʃɚ/pesquisador, pesquisadora
scientist substantivo/ˈsaɪəntəst/cientista
adventure substantivo/ədˈvɛn.t͡ʃə/aventura
rush verbo/ɹʌʃ/apressar-se
genetic adjetivo/d͡ʒəˈnɛt.ɪk/genético
explore verbo/ɪkˈsploɹ/explorar
sensation substantivo/sɛnˈseɪʃən/sensação
destructive adjetivo/dɪˈstɹʌktɪv/destrutivo
guts substantivo/ɡʌts/tripas, vísceras
necessarily advérbio/ˌnɛs.əˈsɛɹ.ə.li/necessariamente
argue verbo/ˈɑɹ.ɡju/discutir, argumentar
discover verbo/dɪˈskʌvə/descobrir
glory substantivo/ˈɡlɔːɹi/glória

Phrasal verbs que você vai ouvir

PalavraPronúnciaSignificado
come up with verbopensar (em), alcançar
find out verbodescobrir
take off verbotirar
take away verbo/ˌteɪk əˈweɪ/levar embora, retirar

Gramática neste vídeo

As estruturas que o falante mais usa, com as palavras exatas do vídeo:

EstruturaNo vídeo
Present perfect have/has + particípio passado — uma ação passada que ainda importa agorahave identified · have found
Orações relativas who / which + oração — informação extra sobre uma pessoa ou coisaeveryone who has · people who have
Voz passiva be + particípio passado — o foco está no que acontece, não em quem fazare killed

Pronúncia para ficar de olho

O falante usa 14 contrações e formas reduzidas, como don't, they're, wouldn't. Diga-as na forma curta, do jeito que você ouve.

  • Os sons de “sh” e “zh”: rush /ɹʌʃ/, sensation /sɛnˈseɪʃən/, satisfaction /sætɪsˈfækʃən/, avalanche /ˈævəlɑːnʃ/, chute /ʃut/
  • Palavras longas — acerte a sílaba tônica: necessarily /ˌnɛs.əˈsɛɹ.ə.li/, intellectual /ˌɪntəˈlɛkt͡ʃʊəl/, satisfaction /sætɪsˈfækʃən/

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: scientist /ˈsaɪəntəst/, genetic /d͡ʒəˈnɛt.ɪk/, component /kəmˈpoʊ.nənt/, distinct /dɪˈstɪŋkt/, segment /ˈsɛɡmɛnt/
  • /l/ final — a língua toca o céu da boca, não vira “u”: thrill /θɹɪl/, intellectual /ˌɪntəˈlɛkt͡ʃʊəl/, daredevil /ˈdɛədɛvəl/
  • /h/ — um sopro suave, diferente do “r”: habit /ˈhæb.ɪt/, harmful /ˈhɑɹmfl̩/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como thrill, gene, researcher.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →