Pratica di Shadowing: IELTS listening practice Part 4 - Leatherback turtle (answer & transcript) - Impara a parlare inglese con i video
Creazione lezione...
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secreture called leatherback turtle.
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Janet O 'Vanakin of Florida Atlantic University has shown that they are the voltages of the leatherback's streamlined shape.
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Swimming leatherback turtles have a lower drag, more efficient than other species indicating more efficient force.
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To swim at the same distance to other sea turtles of the comparable size and weight, leatherback turtles spend on average 20 % less energy.
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Among all the deep diving animals, the champions have always been assumed to be the marine mammals, the great whales and airless seals.
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Our recent investigations, however, suggest that leatherback sea turtles may also be ranked among the ocean's greatest air -breathing dive reptiles.
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While mirroring the dives of the leatherback sea turtles near St. Crocs, In the U .S.
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Virgin Islands, scientists recorded a 650 pounds female ascended to more than 3 ,000 330 feet and remained there for 37 minutes.
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High pressure also poses a challenge to the deep diver in terms of strong forces that could compress the chest.
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causing broken bones or tissue damage.
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Unlike its hard -shelled relatives, Leatherbugs has a softer shell made up from widely separated ribs embedded in thick tissue.
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and whole structure is overlaid with a leathery skin.
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How do the deep diving animals, whales, seals, penguins, and leatherback turtles avoid decompression, sickness, and other hazards while they dive to the great depths,
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even sleep for a long period of time?
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Many of the deepest diving marine mammals have a small lungs
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and falsely exhale before diving in addition to reducing the balance so that they can dive more easily.
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This severely limits the amount of nitrogen in their bloodstream.
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One reason the leatherback ranges so far may be to specialise the diet
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This giant of the sea feeds mainly on jellyfish full of high protein
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and other useful minerals that are required during the day.
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Although the variety of jellyfish and related prey are abundant, They are eaten by few other animals.
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As one might suspect, a lifespan eating mostly jellyfish requires some special adaptions to make the job easier.
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During the 1984 and 1985 nesting seasons, With the assistance of scientists, attach the recorders to 10 female leather bags that just laid eggs.
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As a result, we are able to monitor the pattern of migration in Atlantic Ocean, when they return to the sea.
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Some of the longest travel recorded for many animals have been made by this marine turtle.
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In 1970, a female leatherback was tagged when she nested in Surami on the northeastern coast of South America.
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Less than one year later, she was captured off the coast of Ghana, West Africa, having traveled 3 ,700 miles across the Atlantic Ocean.
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Upon returning to the surface, the turtles change a quick breath and immediately hanging the street down again.
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Little or no time was given to sleep or rest.
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We then begin to track and tag the turtles when they swim back to the surface.
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On closer examination, we notice the difference in dives depending on the time of the day.
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Night dives were shallower with less in depth than day dives.
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Leatherbacks are such swimmers that they rarely stop moving a behavior that has made it impossible to keep them in captivity.
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The front flippers and more than half the lens of Ditto's body and the generated power from huge muscles.
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which can account for 30 % of the animal's total body weight.
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Since leather bags cannot easily be studied in captivity, researchers have been developing methods of studying them at sea.
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They use the recorder, an instrument capable of recording location and the depths in C.
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developed by Gerard Kuhlman of Psychological Research Laboratory.
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The device has been used to study diving marine animals.
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Why they keep diving, scientists soon realized that the turtles were probably costing much of the energy to follow their food source.
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In tropical waters, jellyfish are most common at great depths in a biological zone called the deep scattering layer.
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Discovered shortly after development of the sonar,
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This zone consists of a layer of zooplankton below 1 ,800 feet during the day and migrates to the surface at night.
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Perché praticare il parlato con questo video?
Praticare l'inglese parlato utilizzando video come questo è fondamentale per migliorare le proprie abilità comunicative. Il video "IELTS listening practice Part 4 - Leatherback turtle" offre un contesto ricco e informativo sui tartarughe liutario, permettendo di immergersi in un lessico specifico e in frasi contestualizzate. Attraverso l'ascolto e la ripetizione, gli studenti possono acquisire una maggiore familiarità con l'intonazione e il ritmo della lingua inglese. Questa pratica non solo migliora la pronuncia, ma aumenta anche la fiducia nel parlato quotidiano, specialmente durante conversazioni su temi scientifici o naturali. Utilizzando questa tecnica di shadowspeak, gli studenti possono affinare le loro competenze linguistiche in modo dinamico e coinvolgente.
Grammatica ed espressioni nel contesto
Nel video, ci sono diverse strutture grammaticali e espressioni che possono essere molto utili per gli studenti:
- Uso del presente semplice: Frasi come "Leatherback turtles spend on average" offrono un modo per apprendere come esprimere fatti generali in inglese.
- Strutture comparative: L'espressione "more efficient than other species" insegna come confrontare due elementi, una competenza cruciale per ogni discorso.
- Frasi subordinate: L'uso di "while mirroring the dives" mostra come le frasi possono essere combinate per esprimere simultaneità o contrasto.
- Terminologia scientifica: Espressioni come "marine mammals" e "deep diving animals" arricchiscono il vocabolario specifico e aiutano a contestualizzare argomenti complessi.
Trappole comuni di pronuncia
Durante l'ascolto del video, gli studenti possono imbattersi in alcune difficoltà di pronuncia. Ecco alcuni suggerimenti:
- "Leatherback": Presta attenzione alla pronuncia della "th", che può essere complicata per chi non è madrelingua.
- "Efficient": Verifica di pronunciare correttamente la "ci" come una "sh", per evitare confusione con parole simili.
- "Turtle": La pronuncia della "t" deve essere chiara, poiché in alcune lingue può essere confusa con suoni simili.
Utilizzare il video come strumento di shadow speech permette di affrontare queste trappole di pronuncia in modo pratico e diretto, migliorando significativamente le proprie abilità orali.
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.