Pratica di Shadowing: Dolphin Intelligence: IELTS LISTENING Vol 7 Test 1 Section 4 (IELTS Listening Recent Actual Test) - Impara a parlare inglese con YouTube

C1
Part 4 You will hear part of a biology lecture about dolphins and how views divide over their level of intelligence.
⏸ In Pausa
90 frasi
Se le frasi sono troppo corte o troppo lunghe, clicca su Edit per modificarle.
1
Part 4 You will hear part of a biology lecture about dolphins and how views divide over their level of intelligence.
2
First, you have some time to look at questions 31 to 40.
3
Thank you.
4
Now listen carefully and answer questions 31 to 40.
5
In today's lecture, we'll dive into the topic of dolphin intelligence,
6
discussing dolphin behavior and their physical structure,
7
in an attempt to shed light on the question, how intelligent are dolphins?
8
Well, concerning body size, dolphin brains are among the largest in the animal kingdom,
9
more extensive than chimpanzees.
10
And certain species, like bottlenose dolphins,
11
have brains even bigger than humans.
12
However, some current tests suggest that they do not possess the same cognitive abilities as humans,
13
despite having a similar brain size.
14
For instance, dolphins are often trapped in gill nets,
15
originally intended for tuna fishing.
16
These entanglement cases have led to unnecessary injury or deaths of dolphins,
17
gradually depleting their numbers.
18
Clearly, dolphins don't realize that they could just jump over these vertical barriers and swim to safety.
19
People often mistakenly view dolphins' eternal smile as signs of intelligence and joy.
20
Actually, this is not a facial expression at all,
21
but a fixed design of their head.
22
Unlike human beings with greater than 40 facial muscles,
23
dolphins have no such powers with which to form an expression.
24
On the other hand, small-brained animals are sometimes underrated for their level of intelligence.
25
Pigeons and rats are typical examples of small-brained animals,
26
which can perform tasks so complex that most humans would have trouble with them.
27
Over the last few decades,
28
scientists have conducted countless studies on the cognitive abilities of these overlooked animals,
29
with quite surprising results.
30
Pigeons are aware of their bodies when they see their reflections in the mirror.
31
Pigeons are also trained under specific conditions and gradually form instinctive reactions.
32
In an experiment in 2009,
33
a group of 12 pigeons was given a reward,
34
like food and water, every time they pecked a key on a lab table.
35
All birds successfully performed the trick.
36
These test results indicate that brain size is probably not the sole factor in determining intelligence.
37
Another argument steers the attention,
38
to the correlation between intelligence
39
and the constituents of brains rather than their sheer sizes it's been found
40
that dolphin brains are comprised chiefly of fatty cells
41
which serve as a protective barrier between the systemic blood
42
and the extracellular environment of the central nervous system they are also essential components of nerve cell membranes,
43
affecting problem-solving skills performance.
44
Now, the second mainstream view,
45
is that dolphins are highly intelligent.
46
Research into the behavior of dolphins in the wild,
47
and in captivity, has yielded incredible data,
48
on the intelligence of these marine mammals.
49
Studies show that dolphins not only have the ability to learn as individuals,
50
but those individuals can then pass their new knowledge on to others.
51
Let's take a look at some typical examples.
52
Among these are tested with Billy,
53
a dolphin trapped in a sea lock and rescued.
54
Billy spent three weeks in rehabilitation and was released back into the wild.
55
There, researchers noticed that Billy had started tailwalking,
56
a skill only mastered by captive dolphins who imitated the keepers.
57
Billy had not been trained to tailwalk,
58
but had learned the skill simply by observing other dolphins in the rehab center.
59
Another study involves a female dolphin named Karen.
60
Karen was given a test,
61
in which she was rewarded with a fish,
62
for every piece of litter she brought to researchers.
63
To maximize its bounty, she quickly learned to take a newspaper,
64
keep it at the bottom of a tank,
65
and tear off smaller pieces to get more fish.
66
Over the past hundred years,
67
researchers have proven that dolphins are extremely social species,
68
and have evolved to have highly developed brains.
69
These factors are the most significant contributors to their intelligence,
70
and become the means of survival for dolphins.
71
In 2008, researchers tracked a group of around 400 dolphins.
72
One female dolphin in the group was having a lot of trouble swimming,
73
and kept flipping upside down,
74
or sinking into the water.
75
The other dolphins crowded around it.
76
They paddled side by side with the injured female on their backs.
77
By keeping the wounded female above water,
78
they may have helped it to breathe, avoiding drowning.
79
So how do they communicate with each other?
80
Well, scientists have discovered, through observation and meticulous testing,
81
that every dolphin has a different sound,
82
resembling the whistle that other dolphins recognize as a particular individual.
83
Dolphins can emit a wide variety of sounds.
84
The frequency levels range ten times beyond what humans can hear.
85
But of course, there are other means of communication for dolphins, besides sound.
86
During mating season, male dolphins stroke females with flippers,
87
after a fight to affirm social bonds.
88
That is the end of part four.
89
You now have one minute to check your answers to part four.
90
Thank you.

Scarica l'app

Valutazione AI per ogni frase che pronunci

Scansiona per scaricare
Scansiona per scaricare
Download on theApp Store
Get it onGoogle Play
TRENDING

Popolari

Informazioni su Questa Lezione

In questa lezione, esplorerai il tema dell'intelligenza dei delfini attraverso un'analisi dettagliata di un'interessante conferenza biologica. Imparerai a riconoscere diversi aspetti del comportamento dei delfini e la loro struttura fisica, con un focus particolare su come questi elementi influenzano il loro livello di intelligenza. Questa lezione ti permetterà di migliorare la tua comprensione dell'inglese scientifico e di arricchire il tuo lessico con vocaboli e frasi pertinenti. Attraverso pratiche di shadowing in inglese, avrai l'opportunità di affinare le tue abilità di ascolto e di parlare, seguendo il ritmo e il tono della conferenza.

Vocabolario Chiave e Frasi

  • Intelligenza dei delfini - Dolphin intelligence
  • Comportamento - Behavior
  • Struttura fisica - Physical structure
  • Dimensione del cervello - Brain size
  • Capacità cognitive - Cognitive abilities
  • Riflessione nello specchio - Mirror reflection
  • Abilità di apprendimento - Learning abilities
  • Successo nell'esperimento - Success in the experiment

Consigli per la Pratica

Per sfruttare al meglio questa lezione, ti consigliamo di utilizzare la tecnica del shadowspeak. Inizia ascoltando la registrazione della conferenza almeno una volta per familiarizzarti con il contenuto e il ritmo. Successivamente, prova a ripetere ogni frase subito dopo averla ascoltata, cercando di imitare non solo le parole, ma anche il tono e l'intonazione. Poiché il testo della conferenza è scientifico, potrebbe presentare alcune sfide; ti incoraggio a concentrarti sulla pronuncia e sulla fluidità. Se l'audio è troppo veloce, non esitare a rallentarlo per facilitare la tua pratica. Questo approccio ti aiuterà a imparare l'inglese con YouTube in modo più efficace e divertente.

Ricorda che l'importante è la costanza. Pratica regolarmente con il shadowing in inglese per migliorare progressivamente le tue capacità di comprensione e espressione orale. Non avere paura di fare errori: ogni errore è un'opportunità per imparare e migliorare nel tuo percorso di apprendimento.

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.

☕ Offrici un caffè