Shadowing-Übung: IELTS listening part 3 Product development presentation: mosquito net - Englisch Sprechen Lernen mit Video
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Part 3.
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You will hear a business studies student called Edward talking to his tutor about some research he is doing on product development.
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First, you have some time to look at questions 21 to 25.
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Now listen carefully and answer questions 21 to 25.
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Hello, Edward.
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Sit down.
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Thanks.
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I need some advice on my presentation about product development.
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Right.
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Have you decided what to focus on?
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Yes.
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The product I've chosen is a particular type of mosquito net.
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Any reason for choosing that?
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Hmm.
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I spent last summer travelling round Africa with a friend.
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He's studying medicine, so when we were in a region where mosquitoes cause malaria, we visited a medical centre.
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I chatted to an administrator while my friend talked to one of the doctors,
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and I found out they've had far fewer cases of malaria since these mosquito nets became available locally.
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That made me interested in them.
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Hmm, OK.
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Mosquito nets have quite a long history, don't they?
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I believe they'd been used in Japan for centuries.
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That's right.
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Though apparently Queen Cleopatra slept under one in ancient Egypt.
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That was probably where they were invented.
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And much later nets were used in China, so perhaps they were invented there independently.
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Originally they were made of silk, but later cotton was used, and nowadays they're mainly synthetic.
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It wasn't until the middle of the 20th century that they developed nets treated with insecticides for use by the military, and that was a major step forward.
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They used an insecticide called DDT, but it was later found that this could be harmful to people as well as mosquitoes.
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Is that still a problem with modern nets?
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Oh, no. The chemicals used nowadays are safe, even if people sleep under them every night.
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And the nets work, and they're odour-free.
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But they have to be treated fairly often with the chemical, which the owners need to do themselves.
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Hmm.
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Presumably distribution of the chemical can be a problem in remote areas?
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I mean, people may not be able to get hold of it easily.
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That's right.
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Hmm.
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OK, tell me about this net you're going to talk about.
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Well, the brand name is Olliset, and the product was invented by a Japanese company.
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These nets are an improvement on the alternatives because the insecticide is contained inside the fibre and released gradually.
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It's not coated on the outside as with ordinary nets.
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So the chemicals don't have to be replaced?
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Right.
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And Oli-set nets are also tougher and don't tear as easily.
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They give protection for at least five years compared with a year or two for other nets.
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Well, it sounds interesting.
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But for your seminar presentation, will you provide the bigger picture as well?
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Yes.
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It'll be a case study of product development.
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Before you hear the rest of the discussion, you have some time to look at questions 26 to 30.
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Now listen and answer questions 26 to 30.
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I thought I'd introduce my presentation by describing the background to the new product, the general context.
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You mean the business context?
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Where the investment's coming from and that sort of thing?
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Well, I was thinking I'd talk first about insect-borne diseases, particularly malaria
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and why there's such an urgent need for new ways of fighting it.
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Some people might not know much about it.
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Yes, that's a good idea.
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I've got some statistics about the numbers of people worldwide who get the disease each year.
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I thought I'd show those.
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They're quite staggering.
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I can imagine.
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It's one of the world's biggest health problems, after all.
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It'd also be useful if you could find some statistical information on how malaria affects countries' economic output and present that too.
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OK, I'm sure I can find something.
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After that, I'll talk about mosquito nets.
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First, the historical development, just briefly, and then I'll introduce the Ollyset mosquito net.
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Yes, keep it simple.
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You could just present a bulleted list of its characteristics, the things that make it different from other types of net, and talk that through.
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Right.
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Then I thought I'd outline the production process.
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Fine.
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Should I give some information about where the money for the project has come from?
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There are lots of government and private sponsors.
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Definitely.
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That's a very important aspect of any product development.
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Where are the nets being manufactured, by the way?
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Oh, over half are made in Tanzania by a company called A-Z.
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They got an interest-free loan to buy in the necessary machinery.
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Well, I'd say a bit about the company profile as well, and then present figures about numbers of staff and the kinds of people they're employing on the Ollyset project,
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if you can find the details.
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Hmm, OK.
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I haven't included any information about marketing.
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I've got a lot of notes about it, but I'm not sure how to present them.
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I wouldn't mention that if I were you.
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You've only got a short time for your presentation and you've got quite a lot of material here already.
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But you should provide some figures about output.
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Have you found out from the company's website how many nets they actually produce?
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Yes, it's over 30 million a year.
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Right.
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Then I'm not sure how to finish off.
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What do you think about including something on potential...
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That is the end of part three.
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You now have 30 seconds to check your answers to part three.
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Thank you.
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Über diese Lektion
In dieser Lektion übst du das Verstehen von englischen Gesprächen im Kontext von Produktentwicklung, wie es im IELTS-Listening-Teil 3 typisch ist. Der Video-Dialog zwischen einem Studenten und seinem Tutor behandelt eine spezielle Moskitonetz-Entwicklung, was dir die Gelegenheit gibt, fachliche Vokabeln, Gesprächsstrukturen und natürliche Sprachrhythmen zu lernen. Ideal fürs Training von Hörverstehen und gleichzeitig fürs Shadowing, um deine Sprachproduktion zu verbessern.
Wichtige Vokabeln und Redewendungen
- Mosquito net – Moskitonetz (zentrales Thema des Gesprächs)
- Insecticide – Insektizid (Schlüsselstoff für die Netze)
- Product development – Produktentwicklung (Hauptthema der Präsentation)
- Release gradually – allmählich freisetzen (Eigenschaft des Olliset-Netzes)
- Distribution – Verteilung (Problem bei Fernregionen)
- Case study – Fallstudie (Art der Präsentation des Studenten)
Praxis-Tipps fürs Shadowing
Das Shadowing (auch "shadow speak" oder "shadowspeak" genannt) ist eine bewährte Technik, um Sprachrhythmus, Intonation und Aussprache zu trainieren. Für dieses Video empfehle ich folgende Schritte: Zuerst höre den Dialog einmal in Ruhe, um den Kontext zu verstehen. Dann wiederhole ihn abschnittweise (je 5–10 Sekunden), und sprich gleichzeitig mit – versuche, die Geschwindigkeit und den Ton des Tutors und des Studenten nachzuahmen. Der Dialog hat eine natürliche, konversationelle Geschwindigkeit, die typisch für IELTS-Übungen ist, also konzentriere dich darauf, die Pausen und Betonungen genau zu kopieren. Nutze eine Shadowing-Site, um deine Leistung zu überprüfen, oder arbeite mit einem Spiegel, um deine Mimik und Gestik zu optimieren. Diese Methode verbessert nicht nur dein Hörverstehen, sondern auch dein "shadow speech", also die Fähigkeit, flüssig und natürlich zu sprechen. Übe täglich 10–15 Minuten, und du wirst schnell Fortschritte bemerken!
Grammatik in diesem Video
Die Strukturen, die der Sprecher am häufigsten verwendet, mit den genauen Worten aus dem Video:
| Struktur | Im Video |
|---|---|
| Passiv be + Partizip Perfekt – wichtig ist, was geschieht, nicht wer es tut | were invented · were made · be treated |
| Present Perfect have/has + Partizip Perfekt – eine vergangene Handlung, die jetzt noch wichtig ist | I've chosen · has come · haven't included |
Was ist die Shadowing-Technik?
Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.