Pratica di Shadowing: Cambridge 16 IELTS Reading Test 4 Passage 1 - Impara a parlare inglese con i video

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Cambridge 16, IELTS Reading Test 4.
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Passage 1.
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Roman Tunnels.
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The Romans, who once controlled areas of Europe, North Africa, and Asia Minor, adopted the construction techniques of other civilizations to build tunnels in their territories.
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The Persians, who lived in present-day Iran, were one of the first civilizations to build tunnels that provided a reliable supply of water to human settlements in dry areas.
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In the early 1st millennium BCE, they introduced the Canet method of tunnel construction, which consisted of placing posts over a hill in a straight line to ensure
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that the tunnel kept to its root and then digging vertical shafts down into the ground at regular intervals.
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Underground, workers removed the air from between the ends of the shafts, creating a tunnel.
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The excavated soil was taken up to the surface using the shafts, which also provided ventilation during the work.
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Once the tunnel was completed, it allowed water to flow from the top of a hillside down towards a canal, which supplied water for human use.
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Remarkably, some canets built by the persians 2 700 years ago
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are still in use today they later passed on their knowledge
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to the romans who also used the cannet method to construct
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water supply tunnels for agriculture roman cannet tunnels were constructed with vertical shafts dug at intervals of between 30
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and 60 meters the shafts were equipped with handholds
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and footholds to help those climbing in and out of them and were covered with a wooden or stone lid.
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To ensure that the shafts were vertical, Romans hung a plumb line from a rod placed across the top of each shaft
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and made sure that the weight at the end of it hung in the center of the shaft.
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Plumb lines were also used to measure the depth of the shaft and to determine the slope of the tunnel.
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The 5.6 kilometer long Claudius tunnel, built in 41 CE to drain the Fusine Lake in central Italy,
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had shafts that were up to 122 meters deep, took 11 years to build and involved approximately 30,000 workers.
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By the 6th century BCE, a second method of tunnel construction appeared called the counter-excavation method,
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in which the tunnel was constructed from both ends.
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It was used to cut through high mountains when the Kanat method was not a practical alternative.
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This method required greater planning and advanced knowledge of surveying, mathematics and geometry as both ends of a tunnel had to meet correctly at the center of the mountain.
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Adjustments to the direction of the tunnel also had to be made whenever builders encountered geological problems
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or when it deviated from its set path.
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They constantly checked the tunnel's advancing direction, for example, by looking back at the light that penetrated through the tunnel mouth, and make corrections whenever necessary.
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Large deviations could happen, and they could result in one end of the tunnel not being usable.
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An inscription written on the side of a 428-meter tunnel built
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by the Romans as part of the Salve aqueduct system in
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modern-day Algeria describes how the two teams of builders missed each other in the mountain
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and how the later construction of lateral link between both corridors corrected the initial error.
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The Romans dug tunnels for their roads using the counter-excavation method whenever they encountered obstacles such as hills
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or mountains that were too high for roads to pass over.
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An example is the 37-meter-long, 6-meter-high, Furlopass tunnel built in Italy in 69-79 CE.
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Remarkably, a modern road still uses this tunnel today.
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Tunnels were also built for mineral extraction.
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Miners would locate a mineral vein and then pursue it with shafts and tunnels underground.
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Traces of such tunnels used to mine gold can still be found at the Dolokoti mines in Wales.
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When the sole purpose of a tunnel was mineral extraction, construction required less planning, as the tunnel route was determined by the mineral vein.
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Roman tunnel projects were carefully planned and carried out.
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The length of time it took to construct a tunnel depended on the method being used
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and the type of rock being excavated.
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The Canet construction method was usually faster than the counter excavation method as it was more straightforward.
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This was because the mountain could be excavated not only from the tunnel mouths but also from shafts.
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The type of rock could also influence construction times.
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When the rock was hard,
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Vocabolario e note di pronuncia per questa lezione

Questa lezione di conversazione di livello B2 si basa sul video “Cambridge 16 IELTS Reading Test 4 Passage 1”. Le parole che ritornano più spesso: tunnel, shaft, method, roman, construction. Questo video contiene 48 frasi e 731 parole da ripetere con lo shadowing. Il parlato dura 4:40. Chi parla ha un ritmo naturale di circa 157 parole al minuto, vicino a una conversazione quotidiana. Solo il 75% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.

Vocaboli chiave di questo video

Le 15 parole più avanzate del video, con pronuncia e significato:

ParolaPronunciaSignificato
shaft sostantivo/ˈʃɑːft/lancia
construct verbo/ˈkɑn.stɹʌkt/costruire
mineral sostantivo/ˈmɪn.ə.ɹəl/minerale
excavation sostantivo/ˌɛkskəˈveɪʃn/scavo
metre sostantivo/ˈmiːtəɹ/metro
vertical aggettivo/ˈvɝ.tɪ.kəl/verticale
plum sostantivo/plʌm/prugna, susina
vein sostantivo/veɪn/vena
interval sostantivo/ˈɪntɚvəl/intervallo
builder sostantivo/ˈbɪl.dəɹ/costruttore, costruttrice
civilization sostantivo/ˌsɪv.ɪ.laɪˈzeɪ.ʃən/civiltà
meter sostantivo/ˈmitəɹ/metro, contatore
aqueduct sostantivo/ˈæk.wəˌdʌkt/acquedotto
deviation sostantivo/ˌdiː.viˈeɪʃən/scarto, deviazione
handhold sostantivoappiglio

I phrasal verb che sentirai

ParolaPronunciaSignificato
carry out verbo/ˈkæ.ɹi aʊt/compiere, realizzare

La grammatica di questo video

Le strutture che chi parla usa di più, con le parole esatte del video:

StrutturaNel video
“Used to” used to + verbo — un’abitudine o uno stato passato che non è più veroused to measure · used to mine
Forma passiva be + participio passato — conta ciò che accade, non chi lo fawas taken · was completed · were constructed

Pronuncia a cui fare attenzione

  • I suoni “sh” e “zh”: shaft /ˈʃɑːft/, excavation /ˌɛkskəˈveɪʃn/, extraction /ɪkˈstɹækʃən/, civilization /ˌsɪv.ɪ.laɪˈzeɪ.ʃən/, deviation /ˌdiː.viˈeɪʃən/
  • Parole lunghe — attenzione all’accento: remarkably /ɹɪˈmɑɹkəbli/, civilization /ˌsɪv.ɪ.laɪˈzeɪ.ʃən/, deviation /ˌdiː.viˈeɪʃən/, kilometre /kɪˈlɑmɪtəɹ/, ventilation /ˌvɛntɪˈleɪʃ(ə)n/

I suoni difficili per chi parla italiano:

  • /h/ — va soffiata, non è muta: foothold /ˈfʊthoʊld/, hillside /ˈhɪlˌsaɪd/
  • Consonante finale — senza aggiungere una vocale dopo: shaft /ˈʃɑːft/, construct /ˈkɑn.stɹʌkt/, excavate /ˈɛk.skə.veɪt/, aqueduct /ˈæk.wəˌdʌkt/, deviate /ˈdiː.vi.eɪt/
  • /æ/ — più aperta della “e”: extraction /ɪkˈstɹækʃən/, aqueduct /ˈæk.wəˌdʌkt/, lateral /ˈlætəɹəl/, mathematics /mæθ(.ə)ˈmæt.ɪks/

Come esercitarsi con questo video

  1. Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
  2. Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
  3. Registrati e confronta con l’originale, facendo attenzione a parole come shaft, construct, mineral.

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.

Tecnica dello shadowing: leggi la guida completa passo dopo passo →