Pratica di Shadowing: C1 T1 TEST1 PART1 - Impara a parlare inglese con i video
Creazione lezione...
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Thousands of U .S troops in Iraq and Afghanistan sustained concussions and other brain injuries from roadside bombs.
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But a new study suggests these injuries are not leading to a brain condition often seen in former boxers and football players.
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NPR's John Hamilton reports.
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In contact sports, concussions increase the risk of chronic traumatic encephalopathy, or CTE.
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It's a brain condition associated with dementia and a range of psychiatric disorders.
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So many doctors have worried that CTE might be a factor in the mental health problems experienced by U .S.
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combat troops exposed to bomb blasts.
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Dr. Daniel Pearl is a professor of pathology at the Uniformed Services University in Bethesda.
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Their families were saying that their personalities had changed.
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They were having trouble sleeping.
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We know that the suicide problem is substantial.
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PTSD is prevalent.
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CTE can only be diagnosed after death.
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So Pearl and a team decided to study a collection of brains donated by the families of deceased service members.
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We said this was the opportunity to look at those brains and see how much CTE played a role in this problem.
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The team looked at 225 brains, including many from military personnel who'd been exposed to bomb blasts.
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Pearl says CTE was rare.
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We could only find 10 cases that met the diagnostic criteria for CTE.
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and then we found that all 10 had played contact sports.
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The numbers are too small to say that contact sports caused the condition.
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But Pearl says the findings, which appear in the New England Journal of Medicine, do support another conclusion.
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Serving in the military and being exposed to blasts is probably not a significant risk factor for developing CTE.
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Pearl says that's a good thing, but he adds that bomb blasts do injure the brain in ways that can have lasting effects.
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One shouldn't go away thinking that because we didn't find CTE, the brain's normal.
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That's clearly not the case.
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Pearl says a growing body of evidence shows that exposure to bomb blasts can raise the risk of problems like PTSD.
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John Hamilton, NPR News.
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Vocabolario e note di pronuncia per questa lezione
Questo video contiene 27 frasi e 345 parole da ripetere con lo shadowing. Il parlato dura 2:07. Chi parla ha un ritmo naturale di circa 163 parole al minuto, vicino a una conversazione quotidiana. Solo il 77% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.
Vocaboli chiave di questo video
15 parole del video che vale la pena imparare, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| blast sostantivo | /blæst/ | raffica, folata |
| expose verbo | /ɪkˈspoʊz/ | esporre, evidenziare |
| troop sostantivo | /tɹup/ | truppa |
| concussion sostantivo | /kəŋkˈəʃɪn/ | commozione cerebrale |
| exposure sostantivo | /ɪkˈspəʊ.ʒə(ɹ)/ | esposizione |
| conclusion sostantivo | /kənˈkluːʒən/ | conclusione |
| substantial aggettivo | /səbˈstænʃəl/ | sostanziale |
| disorder sostantivo | /dɪsˈɔɹdɚ/ | disordine |
| chronic aggettivo | /ˈkɹɑ.nɪk/ | cronico |
| donate verbo | /ˈdoʊˌneɪt/ | donare |
| sustain verbo | /səˈsteɪn/ | sostenere |
| psychiatric aggettivo | /ˌsaɪ.kiˈæt.ɹɪk/ | psichiatrico |
| diagnostic aggettivo | /ˌdaɪ.əɡˈnɑ.stɪk/ | diagnostico |
| traumatic aggettivo | /tɹɔˈmætɪk/ | traumatico |
| prevalent aggettivo | /ˈpɹɛvələnt/ | imminente, incalzante |
I phrasal verb che sentirai
| Parola | Significato |
|---|---|
| go away verbo | partire, andarsene |
Pronuncia a cui fare attenzione
Chi parla usa 3 contrazioni e forme ridotte, come didn't, shouldn't, who'd. Pronunciale nella forma breve, così come le senti.
- I suoni “th”: pathology /pəˈθɒləd͡ʒi/, encephalopathy /ɛnˌsɛfəˈlɒpəθi/
- I suoni “sh” e “zh”: concussion /kəŋkˈəʃɪn/, exposure /ɪkˈspəʊ.ʒə(ɹ)/, conclusion /kənˈkluːʒən/, associate /əˈsoʊʃi.ət/, substantial /səbˈstænʃəl/
- Parole lunghe — attenzione all’accento: associate /əˈsoʊʃi.ət/, psychiatric /ˌsaɪ.kiˈæt.ɹɪk/, diagnostic /ˌdaɪ.əɡˈnɑ.stɪk/, pathology /pəˈθɒləd͡ʒi/, criterion /kɹaɪˈtɪɹ.i.ən/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
- Registrati e confronta con l’originale, facendo attenzione a parole come blast, expose, troop.
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.